[User]
I'm trying to design a modular system of profiles that can be combined to create different structures. I have a basic profile design I'm starting with, but I'd like something more flexible and customizable.

Here's a breakdown of what I'm thinking:

The core of the design is a profile that has a sort of complex cross-section. Imagine a roughly square shape with rounded corners, but with some indentations and extrusions. I've provided an example (Profile_4_Edge.scad), but I'd like to be able to define my own cross-sections instead of relying on this. So, the goal is to be able to load or define a profile shape in a 2D plane.

I need to be able to control a few main things:

*   **Profile Shape:** As stated above, I want to define the basic shape of the profile. It could be a simple rectangle, an L shape, or something more complex. It would be ideal if the input for this could come from a simple DXF file or perhaps a set of points defining a polygon, so I could easily create more custom shapes.
*   **Profile Height/Depth:** The profile should have a settable height (or depth, depending on the orientation).
*   **Connection Points:** I need to be able to specify where the profiles connect. For now, let's assume each end of the profile has a common connection feature (either male or female, that's a variable) that allows it to be joined end-to-end or to connect to an arbitrary part. Let's make it a standardized 'hole' and 'pin' system, with the size of the hole/pin, and its location on the profile, being variable. I'd prefer if the hole/pin locations can be defined using points, similar to the profile itself.
*   **Parametric Generation:** I want to be able to generate multiple profiles with different lengths and connection point placements easily using the same profile definition. For example, I might want a 100mm long profile and a 200mm long profile, both based on the same core shape, but with the connection point on a 10mm offset for one of the profiles.
*   **Mirroring:** The ability to mirror the profile design across its X or Y axis would be very helpful to make more symmetric profile shapes easier.

I'm hoping the output of this will be an OpenSCAD file (or files) that would allow me to define the 2D profile shape (from DXF, points, or similar), set its height, and specify connection points and generate different variations of this. I expect to need to use some sort of 2D manipulation library, if not for DXF loading then at least for basic polygon manipulation. The BOSL or BOSL2 libraries would probably be helpful with all of this. Let me know if that sounds doable, and what you think.

[Assistant]
Profil_4_Edge.scad:
```
// variables
height = 30; // [1:400]
size = 8; // [4,6,8]
// calculations
s = size/8;
// model
scale([s,s,1]) union(){
for (z = [1, 2, 3])
{
	rotate([0,0,90*z]) translate([-15,-15,0]) difference(){
		hull(){
			translate([3,3,0]) cylinder(h=height,r=3,$fn=100);
			translate([9,0,0]) cube([6,6,height]);
			translate([9,9,0]) cube([6,6,height]);
			translate([0,9,0]) cube([6,6,height]);
		}
		hull(){
			translate([7.85,3.3,0]) cylinder(h=height,r=1.3,$fn=100);
			translate([14,2,0]) cube([1,1,height]);
			translate([13.54,8,0]) cylinder(h=height,r=2,$fn=100);
			translate([14,9,0]) cube([1,1,height]);
		}
		hull(){
			translate([11,0,0]) cube([2,2,height]);
			translate([13,0,0]) cube([2,2,height]);
		}
		mirror([5,-5,0]) hull(){
			translate([7.85,3.3,0]) cylinder(h=height,r=1.3,$fn=100);
			translate([14,2,0]) cube([1,1,height]);
			translate([13.54,8,0]) cylinder(h=height,r=2,$fn=100);
			translate([14,9,0]) cube([1,1,height]);
		}
		mirror([5,-5,0]) hull(){
			translate([11,-0.5,0]) cube([3,3,height]);
			translate([13,-0.5,0]) cube([3,3,height]);
		}
		translate([15,15,0]) cylinder(h=height,r=3.4,$fn=100);
	}
}
	difference(){
		translate([-5,-5,0]) cube([10,10,height]);
		translate([0,0,0]) cylinder(h=height,r=3.4,$fn=100);
	}
	hull(){
		translate([-14,4,0]) cylinder(h=height,r=1,$fn=100);
		translate([4,-14,0]) cylinder(h=height,r=1,$fn=100);
	}
}
```


[User]
I'd like to create a customizable profile system, something like a structural beam or support, using OpenSCAD. I have a rough concept in mind, but I need your help to make it parametric and easier to work with.

The basic idea is that the profile has a central, rounded part with a somewhat complex shape around it. This shape is generated by taking a rounded rectangle with a cylinder inside it, and then subtracting out some similar shapes from each quadrant. I also want to create 4 copies of the profile, rotated 90 degrees each time, and then combined with each other. The main things I want to be able to control are the overall *size*, the *height* of the profile, and the individual component sizes.

Specifically:

1.  **Overall Size:** The entire profile should scale proportionally based on a `size` parameter. This should scale the entire shape, not just the height. I'd like this to have a range that can be set by the user. It scales the radius of the initial circle, the size of the rectangular shapes, and the distance between those shapes.

2.  **Height:** The vertical height of the profile should be controlled by a `height` parameter, allowing it to be easily adjusted to different lengths. This should not affect the horizontal scale, and should have a range that can be set by the user.

3.  **Rounded Rectangle:** At the center of each profile is a rounded rectangle that is initially constructed from a combination of a cylinder and several boxes. The center cylinder should have a radius set by the overall `size`. The surrounding boxes should be sized based on the `size` parameter.

4. **Cutout Shapes:** The shapes that are cut out from each quadrant are formed similarly to the outer shape. These shapes should also be scaled relative to the overall `size`, and be subtracted from the outer shape.

5. **Rotation:** Four copies of this profile should be generated, rotated by 90, 180, and 270 degrees respectively. All four should be combined into a single object, and this combined object should be scaled relative to the `size` parameter.

6.  **Clear and concise code:** I'd like the code to be well-organized, easy to understand and modify, and use comments where necessary to explain each step. I don't need anything fancy here, just the basics.

I think this would be really useful for generating custom profiles for various projects. Could you help me write this in OpenSCAD? No libraries are needed for this code, just the base functionality that OpenSCAD provides.

[Assistant]
Profil_4.scad:
```
// variables
height = 30; // [1:400]
size = 6; // [4,6,8]
// calculations
s = size/8;
// model
scale([s,s,1]) union(){
for (z = [1, 2, 3, 4])
{
	rotate([0,0,90*z]) translate([-15,-15,0]) difference(){
		hull(){
			translate([3,3,0]) cylinder(h=height,r=3,$fn=100);
			translate([9,0,0]) cube([6,6,height]);
			translate([9,9,0]) cube([6,6,height]);
			translate([0,9,0]) cube([6,6,height]);
		}
		hull(){
			translate([7.85,3.3,0]) cylinder(h=height,r=1.3,$fn=100);
			translate([14,2,0]) cube([1,1,height]);
			translate([13.54,8,0]) cylinder(h=height,r=2,$fn=100);
			translate([14,9,0]) cube([1,1,height]);
		}
		hull(){
			translate([11,0,0]) cube([2,2,height]);
			translate([13,0,0]) cube([2,2,height]);
		}
		mirror([5,-5,0]) hull(){
			translate([7.85,3.3,0]) cylinder(h=height,r=1.3,$fn=100);
			translate([14,2,0]) cube([1,1,height]);
			translate([13.54,8,0]) cylinder(h=height,r=2,$fn=100);
			translate([14,9,0]) cube([1,1,height]);
		}
		mirror([5,-5,0]) hull(){
			translate([11,-0.5,0]) cube([3,3,height]);
			translate([13,-0.5,0]) cube([3,3,height]);
		}
		translate([15,15,0]) cylinder(h=height,r=3.4,$fn=100);
	}
}
}
```


[User]
I'm looking to create a customizable phone stand, and I'd like to use OpenSCAD to design it parametrically. I have a pretty good idea of what I want, inspired by a design I saw, but I need it to be more flexible.

The stand should essentially be composed of three rectangular sections: a base, a back support, and a front lip to hold the phone. I need to be able to adjust the width of the stand itself, along with the length of the base, the back support, and the front lip.  I also need to define the thickness of the base, the back, and the front separately, for a good solid print. Additionally, I need to be able to define the incline angle of the back support and the front lip, so I can adjust the viewing angle. Finally, I need a little lip at the bottom of the phone holding area to keep it from sliding off - and to be able to define the length of this lip, and also the "space" for the phone itself.

For ease of use, it would be nice if there was a simple boolean parameter called `lay_flat` that could rotate the entire stand to lay flat on the print bed, or to stand it upright.

I think I'd like the design to avoid using any external libraries, if possible; just plain OpenSCAD code will be great.

[Assistant]
phone_stand_working.scad:
```
/* [Basic] */
// Lay flat on bed ?
lay_flat = "yes";	//	[yes,no]

// How large is the support
width = 75; // [10:200]
// How long is the base
base_length = 80; // [10:200]
// How long is the back
back_length = 110; // [10:200]
// How long is the front
front_length = 62; // [10:100]
// How much space for the phone (leave some space)
phone_space = 16; // [5:100]

// Incline of the back
back_angle = 23;  // [0:90]

/* [Advanced] */
// How tick is the base
base_tickness = 3; // [1:10]
// How tick is the back
back_thickness = 3; // [1:10]
// How tick is the front
front_thickness = 3; // [1:10]
// How long is the retainer
retainer_length  = 8; // [1:50]
// Incline of the front
front_angle = 37;  // [0:90]

module stand() {
	//	base
	cube([width,base_length,base_tickness]);

	//back
	translate([0,base_length,0])
	rotate(back_angle,[1,0,0])
	cube([width,back_thickness,back_length]);

	//front
	real_front_angle = front_angle + back_angle;
	front_transY = base_length - sin(back_angle) * back_length;
	front_transZ = cos(back_angle) * back_length;
	translate([0,front_transY, front_transZ])
	rotate(real_front_angle + 180, [1,0,0])
	cube([width,front_length,front_thickness]);

	//houder
	h_transY = front_transY - cos(real_front_angle) * (front_length - front_thickness);
	h_transX = cos(back_angle) * back_length - sin(real_front_angle) * (front_length - front_thickness);
	translate([0,h_transY,h_transX]) //-7, 46?
	rotate(real_front_angle + 90,[1,0,0])
	cube([width,phone_space + front_thickness, front_thickness]);

	//stuff
	s_transY = h_transY - sin(real_front_angle) * (phone_space);
	s_transX = h_transX + cos(real_front_angle) * (phone_space);
	translate([0,s_transY,s_transX]) //-7, 46?
	rotate(real_front_angle,[1,0,0])
	cube([width, retainer_length, front_thickness]);
}
//Render
if(lay_flat == "yes") {
	rotate(270,[0,1,0]) stand();
}else {
	stand();
}
```


[User]
I'd like to create a new container, but I only need the jar part; I already have a great lid. The original design I'm working from is called "Lofty Container," and I’m looking to make some improvements to the original design, mainly in terms of efficiency, but also for aesthetics.

The base of the jar should have a hemispherical shape which will smoothly transition into a cylindrical body. This should be similar to the original Lofty Container, but the top part with the screw threads will be different. Instead of threads formed by many small projections, I want the threads to be formed as one continuous spiral. I want a single, well defined thread that can mesh with an existing cap. I’m looking for a good balance between aesthetics and printability.

I'd like to be able to control the overall size of the container through a parameter for the top opening diameter. I also need a parameter to control the wall thickness, which should also determine the thread thickness. The height of the cylindrical section should also be a parameter, and there should be a parameter to control the pitch (vertical distance between the threads). I also want to control the number of threads as a parameter. The hemisphere should seamlessly transition into the cylinder. The threads should also be a smooth spiral, no sharp edges. It should use OpenSCAD's hull and rotate functions to achieve the spiral. I'd like the code to make use of the `intersection` and `union` functions to generate the shape. And can you make sure it uses `$fn` for smooth curves, please?

I'd also like the code to be easily modified so I can adjust the thread profile later without too much trouble if I need to. This means I need to generate the thread by rotating and translating a cross section of the thread, not by directly extruding the thread shape itself.

Finally, please make sure all the design is contained within a single OpenSCAD file. Thanks!

[Assistant]
Lofty_Container_v1_1.scad:
```
// 'Lofty Container' by wstein
// is licensed under the Attribution - Non-Commercial - Share Alike license.
// (c) January 2015
// please refer the complete license here: http://creativecommons.org/licenses/by-nc-sa/3.0/legalcode
//
// Version 1.1:
// - workaround for current customizer global parameter bug

/* [Dimensions] */

//top hole diameter
size=50;

//only to be compatible with thing http://www.thingiverse.com/thing:634383. Use 2mm up to size 60, 2.5mm from 61 - 100. 3mm for larger
wall_thickness=2.0;

/* [Appearance] */

count=6;
twist=180;

// default 75, use lower values for faster preview (no need to use more than 100!)
quality=75;

/* [Hidden] */

// ratio top hole / ball diameter
ratio=.7;

d4=size;
d3=d4+wall_thickness;
d2=d3/sqrt(1-ratio*ratio);
d1=d3/sqrt(1-ratio*ratio)/20; // d2/20!

r1=d1/2;
r2=d2/2;
r3=d3/2;
r4=d4/2;

echo(d1,d2,d3,d4,d1+d2);

thread_height=(d4>20?d4/6:20/6);
height=d2*ratio;

gn=twist/360;

a_step=360/quality;
z_step=height/quality/gn;
ta_step=250/quality;
tz_step=thread_height/quality;

thread_thickness=min(wall_thickness,thread_height/2);
echo(thread_thickness);

translate([0,0,height/2])
intersection(convexity=10)
{
	cylinder(r=r3+wall_thickness,h=thread_height+r1+wall_thickness,$fn=quality);

	union()
	{
		cylinder(r=r3,h=thread_height+r1+wall_thickness,$fn=quality);

		translate([0,0,r1+wall_thickness/2])
		for(m=[0:180:359])
		rotate([0,0,m])
		for(n=[0:quality-1])
		thread_part(n,a_step,z_step);
	}
}

intersection(convexity=10)
{
	translate([0,0,-height/2])
	cylinder(r=r2+r1,h=height+r1+wall_thickness,$fn=quality);

	union()
	{
		sphere(r=r2,$fn=quality);

		for(m=[0:360/count:359])
		rotate([0,0,m])
		for(n=[-gn*quality/2:gn*quality/2])
		thread_sphere_part(n,a_step,z_step);
	}
}

module thread_sphere_part(n)
hull()
{
	for(m=[n,n+1])
	assign(a=m*a_step)
	assign(z=m*z_step)
	rotate([0,0,a])
	translate([sqrt(r2*r2-z*z),0,z])
	rotate([90,0,0])
	sphere(d=d1,$fn=12);
}

module thread_part(n)
hull()
{
	for(m=[n,n+1])
	assign(a=m*ta_step)
	assign(z=m*tz_step)
	rotate([0,0,40+a])
	translate([r3,0,z])
	resize([wall_thickness,wall_thickness,thread_thickness])
	rotate([90,0,0])
	sphere(d=wall_thickness,$fn=12);
}

```


[User]
Hey, I'd like to design a princess tower, and I've got some specific ideas about how I'd like it to look. I'm imagining a multi-tiered structure, starting with a base and moving upwards.

First, I want a simple square bottom plate as a foundation. Then, on top of that, I want a circular plate to start the actual tower part. This circular plate will have a specific thickness, and it'll be the base for the cylindrical tower levels.

The first level will be a cylinder with a set height and radius. Following that, I want a second, shorter level that's actually a frustum, so it will angle outwards, starting with the same radius as the top of the first level and expanding to a wider radius.

Next, there should be a short cylindrical section that acts as a kind of a limit, a bit thicker than the top radius of the angled section before it. This limit will act as a small ring.

Then, I want another cylindrical level, which will be the main part of the tower above the angled section, which will have a set height and radius.

Finally, the very top of the tower should be a cone, starting from the radius of the last cylinder, but ending in a point.

I need this to be parametric, with adjustments to parameters like:

*   `$fn` for circle resolution
*   `bottomplate_thickness`
*   `bottomcircle_thickness`
*   `firstlevel_hight`
*   `firstlevel_radius`
*   `secondlevel_hight`
*   `secondlevel_limit_hight`
*	`secondlevel_limit_thickness`
*   `thirdlevel_hight`
*   `thirdlevel_radius`
*   `thirdlevel_top_hight`

Could you generate the OpenSCAD code for this design, please?

[Assistant]
Princess_tower_custom.scad:
```
$fn=40; //[10,15,20,25,30,35,40,45,50]
bottomplate_thickness=2;	//[0:10]
bottomcircle_thickness=1.5; //[0.5:5]
firstlevel_hight=20;		//[5:40]
firstlevel_radius=5;		//[1:50]
secondlevel_hight=3;	//[0:10]
secondlevel_radius_top=firstlevel_radius+secondlevel_hight;
secondlevel_limit_hight=4;	//[0:10]
secondlevel_limit_thickness=secondlevel_limit_hight/3;
thirdlevel_hight=20;	//[0:50]
thirdlevel_radius=3;	//[0:50]
thirdlevel_top_hight=5;	//[0:50]

//bottom plate
translate(v=[0,0,-bottomplate_thickness/2])
	{
		cube(size=[20,20,bottomplate_thickness], center=true);
	}

//bottom circle plate
translate(v=[0,0,bottomcircle_thickness/2])
	{
		cylinder(h=bottomcircle_thickness, r=9.5, center=true);
	}

//first cylindrical level
translate(v=[0,0,firstlevel_hight/2+bottomcircle_thickness])
	{
		cylinder(h=firstlevel_hight, r=firstlevel_radius, center=true);
	}

//second level, angled cylinder
translate(v=[0,0,secondlevel_hight/2+firstlevel_hight+bottomcircle_thickness])
	{
		cylinder(h=secondlevel_hight, r1=firstlevel_radius, r2=secondlevel_radius_top, center=true);
	}

//second level limit
		translate(v=[0,0,secondlevel_limit_hight/2+secondlevel_hight+firstlevel_hight+bottomcircle_thickness])
	{
		difference()
			{
				cylinder(h=secondlevel_limit_hight, r=secondlevel_radius_top, center=true);

				cylinder(h=secondlevel_limit_hight+0.1, r=secondlevel_radius_top-secondlevel_limit_thickness, center=true);
			}
	}
//third level
translate(v=[0,0,thirdlevel_hight/2+secondlevel_hight+firstlevel_hight+bottomcircle_thickness])
	{
		cylinder(h=thirdlevel_hight, r=thirdlevel_radius, center=true);
	}

//third level top
	translate(v=[0,0,thirdlevel_top_hight/2+thirdlevel_hight+secondlevel_hight+firstlevel_hight+bottomcircle_thickness])
	{
		cylinder(h=thirdlevel_top_hight, r1=thirdlevel_radius, r2=0, center=true);
	}

//union()
//{
//	translate(v=[0,0,-15])
		//{
			//cube(size = [15,15,30], center =true);
		//	cylinder(h=20, r=7.5);
	//	}
//	sphere(r=7.5);
//}

```


[User]
I'm looking to create a parametric box for my RAMPS 1.4 board, and I'd like it to be customizable so I can tweak it for different setups. I've seen a few designs online, but I'd like to create one from scratch using OpenSCAD.

Here's what I'm thinking:

*   **Core Box:** The main box should be a rectangular prism with rounded corners, using a "CNC style" cube with the rounded corners. The wall thickness should be easily adjustable as a parameter.
*   **RAMPS Mounting:** I need standoffs inside to mount the RAMPS board securely.  The location and size of these standoffs should be parameterized based on the RAMPS board's mounting hole locations, which I can provide. I also need holes for metal screws and nuts.
*   **Fan Option:** I definitely want the option to have a fan cutout, likely a 60mm diameter hole. There should be a parameter to control whether it is on the top or side, with accompanying parameters for positioning and mounting hole locations for the fan. I may want to add a second fan later on.
*   **Lid:** The box should have a lid that fits snugly on top, with similar rounded corner treatment and adjustable wall thickness.
*   **Customizable Dimensions:** I need parameters to set the overall length, width, and height of the box so it can be adjusted for different board sizes/ configurations.
*   **Double Opening Option:** I want the option of having cutouts in the top for cables, and if chosen, to have the cutouts for access.

I would need all the code, it can be split into multiple files, I don't mind, but I don't want to have to integrate other code later.

For the parametric design:
*   I would like to use a variable to set the diameter of the rounded corner cuts, which would impact the screw holes placement
*   I also want to set a variable to control how much smaller the inner dimensions of the box are than the outer dimensions for the wall thickness
*   I would also want a variable to define the screw hole diameter
*   There should be a variable to define the diameter of the fan, as well as its mounting holes offset

I think that covers everything I need for a flexible enclosure. What do you think? I'm not familiar with any OpenSCAD libraries other than the built-in ones, so I guess I'll need all the modules.

[Assistant]
rampsbox.scad:
```
/*
Name: OpenSCAD model of a ramps box
Author: Jons Collasius from Germany/Hamburg

License: CC BY-NC-SA 3.0
License URL: https://creativecommons.org/licenses/by-nc-sa/3.0/
*/

cylinderfn = 0.2;
wall_width = 0.6*6;

ramps_xtra = 0;
ramps_x = 60.50;
ramps_y = 101.62; // +9mm for lcd "smart adapter"
ramps_z = 60+wall_width;
ramps_z_spacing = 5;
ramps_doubleopening = true;
ramps_makefanhole = true;
ramps_doubleopening_z_from_pcb_bottom = 27;
m3_r	 = 3.2/2;
m3_nut_r	= (6.08+0.2)/2;
m3_nut_hight	= 2.4+0.5;

metallscrew_r = 2.8/2;

fan_r = 60/2;
fan_screws_r = 4.4/2;
fan_offset_screws = 50/2;

rampsbox();

translate([0,0,ramps_z+wall_width*2]) rampslid();

module rampslid() {
	difference() {
		cnccube(x=ramps_x+ramps_xtra*2, y=ramps_y+ramps_xtra*2, z=0, r=m3_r+wall_width, w=wall_width);
		if (ramps_doubleopening && ramps_makefanhole) {
			translate([ramps_x/2+ramps_xtra,ramps_xtra+60.45-fan_r/2,-1])
			fancuts(r_fan=fan_r, r_screws=fan_screws_r, offset_screws=fan_offset_screws, h=wall_width+2);
		}
	}
}

module rampsbox() {
	difference() {
		union() {
			cnccube(x=ramps_x+ramps_xtra*2, y=ramps_y+ramps_xtra*2, z=ramps_z, r=m3_r+wall_width, w=wall_width);
			translate([ramps_xtra,ramps_xtra,0]) rampsmount(r=metallscrew_r+wall_width, h=ramps_z_spacing+wall_width);
		}
		translate([ramps_xtra,ramps_xtra,-1]) rampsmount(r=metallscrew_r, h=ramps_z_spacing+wall_width+2);

		if (ramps_doubleopening == false && ramps_makefanhole) {
			translate([ramps_x/2+ramps_xtra,ramps_y+ramps_xtra*2,ramps_z/2+wall_width]) rotate([-90,0,0]) fancuts(r_fan=fan_r, r_screws=fan_screws_r, offset_screws=fan_offset_screws, h=(m3_r+wall_width)*2);
		}
		translate([ramps_xtra,ramps_xtra,wall_width+ramps_z_spacing]) rampscuts();
	}
}

module rampscuts() {
	translate([0,0,0]) cube([ramps_x,ramps_y,1.5]);
	translate([8.26,-ramps_xtra-m3_r*2-wall_width*2-1,0.5]) cube([14.11,ramps_xtra+m3_r*2+wall_width*2+2,ramps_z]);
	translate([1.35,-ramps_xtra-m3_r*2-wall_width*2-1,14]) cube([ramps_x-1.35*2,ramps_xtra+m3_r*2+wall_width*2+2,ramps_z]);
	translate([ramps_x-1,31.77,14.4]) cube([ramps_xtra+m3_r*2+wall_width*2+2,7.33,7.33]);
	if (ramps_doubleopening) {
		translate([1.35,ramps_y+ramps_xtra-1,ramps_doubleopening_z_from_pcb_bottom]) cube([ramps_x-1.35*2,ramps_xtra+m3_r*2+wall_width*2+2,ramps_z]);

	}
}

module rampsmount(r=1.6, h=10) {
	translate([2.64,15.16,0]) fncylinder(r=r, h=h); // bottom left
	translate([50.85,13.92,0]) fncylinder(r=r, h=h); // bottom right
	translate([17.73,65.9,0]) fncylinder(r=r, h=h); // center left
	translate([45.64,65.9,0]) fncylinder(r=r, h=h); // center right
	translate([2.5,90.07,0]) fncylinder(r=r, h=h); // top left
	translate([50.85,96.39,0]) fncylinder(r=r, h=h); // top right
}

module fancuts(r_fan=60/2, r_screws=4.3/2, offset_screws=50/2, h=20) {
	translate([0,0,0]) fncylinder(r=r_fan, h=h);
	for(i = [0 : 3]) {
		rotate([0,0,90*i]) translate([offset_screws,offset_screws,0]) fncylinder(r=r_screws, h=h);
	}
}

module cnccube(x=10, y=10, z=10, r=1.5, w=2) {
	difference() {
		union() {
			translate([-r*1.5,-r*1.5,0]) cube([x+r*3,y+r*3,z+wall_width]);
			translate([-r,-r,0]) fncylinder(r=r, h=z+wall_width);
			translate([-r,y+r,0]) fncylinder(r=r, h=z+wall_width);
			translate([x+r,-r,0]) fncylinder(r=r, h=z+wall_width);
			translate([x+r,y+r,0]) fncylinder(r=r, h=z+wall_width);
		}
		difference() {
			translate([-r*1.5+w,-r*1.5+w,w]) cube([x+r*3-w*2,y+r*3-w*2,z+wall_width]);
			translate([-r,-r,0]) fncylinder(r=r, h=z+wall_width);
			translate([-r,y+r,0]) fncylinder(r=r, h=z+wall_width);
			translate([x+r,-r,0]) fncylinder(r=r, h=z+wall_width);
			translate([x+r,y+r,0]) fncylinder(r=r, h=z+wall_width);
		}
		translate([-r,-r,z+wall_width-30]) fncylinder(r=metallscrew_r, h=31);
		translate([-r,y+r,z+wall_width-30]) fncylinder(r=metallscrew_r, h=31);
		translate([x+r,-r,z+wall_width-30]) fncylinder(r=metallscrew_r, h=31);
		translate([x+r,y+r,z+wall_width-30]) fncylinder(r=metallscrew_r, h=31);
	}
}

module fncylinder(r,h){
	cylinder(r=r,h=h,$fn=2*r*3.14/cylinderfn);
}

```


[User]
Hi there! I'm looking to generate some tablet weaving cards using OpenSCAD, and I'd like some help designing a parametric system for them.

I'm thinking something like the provided code, but I want to generalize it. Right now, the provided script only does a four sided card. It would be great to have a system that could handle 3, 4, 6, and 8 sided cards, and to have the holes placed in an intuitive, consistent way. The basic idea of the rounded corners and the inset holes is good, so keeping that would be ideal. I do think the code could be more clearly written, however, since the `translate` and `render` seem unnecessary.

Here's the basic idea of the parameters I want to be able to control:

*   `diameter`: The overall edge-to-edge diameter of the card.
*   `inset`: How far in the holes are from the corners or edges of the card.
*   `thickness`: How thick the card is.
*   `cornerDiameter`: The diameter of the rounded corners.
*   `holeDiameter`: The diameter of the holes.
*   `sides`: The number of sides of the card (3, 4, 6, or 8)

So, ideally, I would like a system that generates the card, with the specified number of sides, rounded corners, inset holes, and with all of these values being customizable via parameters. I need to be able to use these cards for weaving, so everything needs to line up.

I think a modular approach might be best, where a single module or function can generate the basic polygon and then another module or function would generate the holes. I'm not picky, just want the card to work well.

Thanks in advance for your help!

[Assistant]
tablet_weaving_card.scad:
```
//the edge to edge diameter of the card. 50.8 mm = 2 inches.
diameter = 50.8;
// how far in the holes are from the corners of the card.
inset=7;
// how thick the cards are. Ideally a multiple or your layer height.
thickness =.7;
//the diameter of the of the corner.
cornerDiameter =5;
// the diameter of the holes.
holeDiameter=8;
$fn=60;

difference()
{
	translate([cornerDiameter/2,cornerDiameter/2,0])render()
	{
		minkowski()
		{
			cube([diameter-cornerDiameter,diameter-cornerDiameter,thickness/2]);
			cylinder(thickness/2,d=cornerDiameter);
		}
	}
	translate([0,0,0])
		{
			translate([inset,inset,-.1])cylinder(d=holeDiameter,thickness*2);
			translate([diameter-inset,diameter-inset,0-.1])cylinder(d=holeDiameter,thickness*2);
			translate([inset,diameter-inset,-.1])cylinder(d=holeDiameter,thickness*2);
			translate([diameter-inset,inset,-.1])cylinder(d=holeDiameter,thickness*2);
		}
}
```


[User]
I'm looking to create a test print for evaluating thin wall performance on my 3D printer, and I'd like to generate this using OpenSCAD. I'd like a series of vertical walls of varying thicknesses, all standing on a common base. Here's a breakdown of the desired design and its parameters:

**Overall Structure:**

*   A series of thin, vertical walls arranged side-by-side along the X-axis.
*   All the walls should stand on a base that runs beneath all of them.

**Parameters:**

*   `wall_widthes`: A list of wall thicknesses in millimeters. For example, `[0.8, 1.0, 1.2, 1.4, 1.8, 1.8, 2.0]`. This should be a customizable parameter.
*   `wall_height`: The height of the walls above the base, in millimeters. Let's start with `5` mm.
*   `wall_length`: The length of the walls along the Y-axis, in millimeters. Let's set this to `20` mm.
*   `wall_pitch`: The center-to-center spacing between adjacent walls, in millimeters. Let's use `10` mm.
*   `base_height`: The height of the base below the walls, in millimeters. I think `0.8` mm would work well here.

**Modules:**

*   I imagine you'll need a module to generate a single wall. It should take the index `i`, wall width `w`, and height `h` as input. The x-position of the wall would be `i * wall_pitch`.
*   I think a second module for generating all walls using a for loop over the `wall_widthes` list would also be good.
*   A `base()` module, which will create a base that runs under all of the walls, that extends past the edges of the walls, would also be needed. I think that having it be created using a `hull` of the walls, with the position of the walls shifted on the left and right edge by `wall_pitch / 2` will work well.
*   Finally, a `main()` module should generate the entire model, putting the walls on top of the base.

Could you generate the OpenSCAD code for this? I would prefer it if you did not require any additional libraries.

[Assistant]
thin_wall_test.scad:
```
// Thin walls 3D printer test pattern.

/* [Global */

// List of wall widthes [mm].
wall_widthes = [0.8, 1.0, 1.2, 1.4, 1.8, 1.8, 2.0];

// Wall height above the base [mm].
wall_height = 5;

// Wall length [mm].
wall_length = 20;

// Wall spacing [mm].
wall_pitch = 10;

// Base height [mm].
base_height = 0.8;

module one_wall(i, w, h) {
  echo("wall:", i, w);
  x = i * wall_pitch;
  translate([x, 0, 0]) cube([w, wall_length, h]);
}

module all_walls(h) {
  for (i = [ 0 : len(wall_widthes) - 1 ]) {
    one_wall(i, wall_widthes[i], h);
  }
}

module base() {
  hull() {
    translate([wall_pitch/2, 0, 0]) all_walls(base_height);
    translate([-wall_pitch/2, 0, 0]) all_walls(base_height);
  }
}

module main() {
  all_walls(base_height + wall_height);
  base();
}

main();

```


[User]
I'd like to create a customizable sphere puzzle, kind of like the one described in the sphere-puzzle.scad file. It should have pieces that fit together to form a sphere, and each piece should be able to have a letter or text on it.

Here are the key parameters I want to control:

*   **Sphere Geometry:**
    *   `longitudeSteps`: The number of pieces around the equator.
    *   `latitudeSteps`: The number of pieces from the equator to the top (or bottom). The total number of pieces will be based on this, plus top/bottom pieces.
    *   `sphereRadius`: The radius of the overall sphere.
    *   `pieceThickness`: The thickness of the puzzle pieces.
    *   `connectorSizeFactor`: A factor to determine the size of the connectors between pieces.
    *   `connectorGap`: The gap between connector parts.
    *   `connectorNeckGap`: A special gap used at the neck of the connectors, for easier assembly.
    *   `pieceGap`: The gap between puzzle pieces themselves.
    *  `connectorQuality`: The `$fn` parameter for the circular connectors.
     *  `sphereQuality`: The `$fn` parameter for the sphere.

*   **Individual Piece Customization:**
    *   `latitudeIndex`: An index to specify the latitude of the piece, allowing for selection of single pieces.
    *   `northConnector`, `southConnector`, `westConnector`, `eastConnector`: These parameters control whether a piece has an "in" connector (-1), an "out" connector (1) or no connector (0) on each of its four sides.
    *   `northPoleConnectors`, `southPoleConnectors`: Arrays (one per longitude step) defining the connector type for the north and south pole pieces.

*   **Text:**
    *   `text`: The actual text to put on a piece, or single piece to render.
    *   `textScale`: A vector \[x, y, z] controlling the text size.
    *  `textOffset`: An vector [x,y] controlling the text offset position.
    *   `font`: The font file to use, using the `write.scad` library. I'd like to be able to use the included fonts: "write/Letters.dxf", "write/orbitron.dxf", "write/BlackRose.dxf", "write/knewave.dxf", and "write/braille.dxf".
    * `textMethod` to switch between methods of writing fonts (0: legacy method, 1: using the `write.scad` library

I'm hoping for a parametric design, so I can easily adjust these parameters and generate different puzzle configurations and pieces. The design should include the `write.scad` library, which handles font rendering. I need to be able to select specific pieces, and the text placement should be adjustable.

Could you please design this for me, making sure that each piece is able to be a standalone piece, and that the full assembled sphere is also able to be rendered?

[Assistant]
sphere-puzzle.scad:
```
// Sphere puzzle
// (C) by Joachim Eibl 2015
// Licence: CC BY-NC-SA 3.0
// Creative Commons: attribution, non commercial, share alike
// See: http://creativecommons.org/licenses/by-nc-sa/3.0/

// Some comments are for thingiverse customizer
// preview[view:north, tilt:top]

/* [Sphere/Global] */

// number of equatorial pieces (make up a circle)
longitudeSteps=8;

// number of pieces from equator to top
latitudeSteps = 3;

// total number of pieces = longitudeSteps * (latitudeSteps * 2 - 1) + 2 [top and bottom piece]
// e.g.: longitudeSteps=8, latitudeSteps= 3: 42

sphereRadius = 60;
pieceThickness = 10;

connectorSizeFactor = 0.06;
connectorGap = 0.3;

// (read instructions)
connectorNeckGap = 0.3;

// gap between pieces
pieceGap = 0.2;

connectorQuality = 30;
sphereQuality = 100;

/* [Puzzle/Piece] */

// Range +/-Latitude Steps, e.g. [-3 ... +3])
latitudeIndex = 0;

northConnector = -1; //[-1:in, 0:none, 1:out]
southConnector = 1; //[-1:in, 0:none, 1:out]
westConnector = 1; //[-1:in, 0:none, 1:out]
eastConnector = -1; //[-1:in, 0:none, 1:out]

// array with one item for each longitude step
northPoleConnectors = [1,1,1,1,1,1,1,1];
// array with one item for each longitude step
southPoleConnectors = [-1,-1,-1,-1,-1,-1,-1,-1];

/* [Text] */

text = "A";
// text size factors for [x,y,z]
textScale = [1,1,1];
// text position offset for [x,y]
textOffset = [0,0];

include <write/Write.scad>;
font = "write/Letters.dxf"; //["write/Letters.dxf":Basic,"write/orbitron.dxf":Futuristic,"write/BlackRose.dxf":Fancy,"write/knewave.dxf":Knewave,"write/braille.dxf":Braille]

/* [hidden] */

r = sphereRadius - pieceThickness;  // inner radius
h = pieceThickness; // thickness of puzzle pieces in the middle
// outer radius is r+h

rl=r * connectorSizeFactor; // radius of puzzle connectors

textMethod = 1;
//textMethod=0 for fonts created with ttf2dxf from:
//http://www.thingiverse.com/thing:96714
// font = "text_and_fonts/DejaVuSans-Bold.dxf"; //

module connector(i,j,bInverse=false,nc=0,sc=0)
{
	j1 = j-0.5;
	j2 = j+0.5;
	f = cos(0.5 *90/latitudeSteps);
	r1=r*cos(j1 *90/latitudeSteps);
	r2=r*cos(j2 *90/latitudeSteps);
	x1 = r1/f * tan( 180 /*3.1415927*/ * 2 / (longitudeSteps * 2) ); // xSize bottom
	x2 = r2/f * tan( 180 /*3.1415927*/ * 2 / (longitudeSteps * 2) ); // xSize top
	y = r * tan( 90 / (latitudeSteps*2) ); // y size

	sl = rl * 1.5 + (!bInverse ? 0 : 2*connectorNeckGap);

	extrudeScale = !bInverse ? (r+h)/r : (r+h)/(r-h);
	scaleFact = !bInverse ? 1 : (r-h)/r;
	h2 = !bInverse ? h : 2*h;
   cr = !bInverse ? rl : rl+connectorGap;

	bSC = !bInverse ? southConnector==1 : northConnector==-1;
	bNC = !bInverse ? northConnector==1 : southConnector==-1;
	bEC = !bInverse ? eastConnector==1  : westConnector==-1;
	bWC = !bInverse ? westConnector==1  : eastConnector==-1;

	translate([0,!bInverse ? 0 : -h ,0])
		rotate([-90,0,0])
			linear_extrude(height = h2, center = false, convexity = 10, scale=extrudeScale )
				scale([scaleFact,scaleFact])
	{
		if( (bSC && (nc==0 && sc==0)) || sc )
		{
			translate([0,y]) square([sl,sl],center=true);
			translate([0,y+rl]) circle(r=cr, $fn=connectorQuality);
		}
		if( (bNC && (nc==0 && sc==0)) || nc)
		{
			translate([0,-y]) square([sl,sl],center=true);
			translate([0,-y-rl]) circle(r=cr, $fn=connectorQuality);
		}
		if (bWC && (nc==0 && sc==0))
		{
			translate([(x1+x2)/2,0]) rotate(-j*10)
			{
				translate([0,0]) square([sl,sl],center=true);
				translate([rl,0]) circle(r=cr, $fn=connectorQuality);
			}
		}
		if (bEC && (nc==0 && sc==0))
		{
			translate([-(x1+x2)/2,0]) rotate(j*10)
			{
				translate([0,0]) square([sl,sl],center=true);
				translate([-rl,0]) circle(r=cr, $fn=connectorQuality);
			}
		}
	}
}

module piece(i,j)
{
	j1 = j-0.5;
	j2 = j+0.5;
   f = cos(0.5 *90/latitudeSteps);
	r1=r*cos(j1 *90/latitudeSteps);
	r2=r*cos(j2 *90/latitudeSteps);
	x1 = r1/f * tan( 180 /*3.1415927*/ * 2 / (longitudeSteps * 2) )- pieceGap/4 ; // half xSize bottom
	x2 = r2/f * tan( 180 /*3.1415927*/ * 2 / (longitudeSteps * 2) )- pieceGap/4 ; // half xSize top
	y = r * tan( 90 / (latitudeSteps*2) ) - pieceGap/4; // half y size

	p = [ [-x1,+y], [x1,+y],
			[x2,-y],[-x2,-y] ];

	difference()
	{
		rotate([j*90/latitudeSteps,0,0])	translate([0,r,0])
		union(){
			rotate([-90,0,0])
				linear_extrude(height = h, center = false, convexity = 10, scale=(r+h)/r)
					polygon( points = p  );

			connector(i,j);
		}
		if ( eastConnector==-1 )
			rotate([0,0,1*360/longitudeSteps]) rotate([j*90/latitudeSteps,0,0])  translate([0,r,0])
				connector( i+1,j,true );

		if ( westConnector==-1 )
			rotate([0,0,-1*360/longitudeSteps]) rotate([j*90/latitudeSteps,0,0])  translate([0,r,0])
				connector( i-1,j,true );

		if ( northConnector==-1 )
			rotate([(j+1)*90/latitudeSteps,0,0]) translate([0,r,0])
				connector( i,j+1,true );

		if ( southConnector==-1 )
			rotate([(j-1)*90/latitudeSteps,0,0]) translate([0,r,0])
				connector( i,j-1,true );
	}
}

module polePiece( connectors )
{
   f = cos(0.5 *90/latitudeSteps);
	r1=r*cos((latitudeSteps-0.5) *90/latitudeSteps);

	difference()
	{
		translate([0,0,r])
		union()
		{
			rotate([0,0,-90+180/longitudeSteps])
				linear_extrude(height = h, center = false, convexity = 10, scale=(r+h)/r)
					circle( r=r1 / (f*cos(180/longitudeSteps)) ,$fn=longitudeSteps );
			for(i=[0:longitudeSteps-1])
				if(connectors[i]==1)
					rotate([90,0,i*360/longitudeSteps])
						connector(0,latitudeSteps-1,0,1);
		}

		for(i=[0:longitudeSteps-1])
			if(connectors[i]==-1)
				rotate([(latitudeSteps-1)*90/latitudeSteps,0,180+i*360/longitudeSteps])
					translate([0,r,0])
						connector(i,latitudeSteps-1,connectorGap,1,0);
	}
}

module spherePuzzle()
{
	intersection() {
		union()
		{
			for( i=[0:longitudeSteps-1] )
				rotate([0,0,i*360/longitudeSteps])
					for( j=[-latitudeSteps+1:latitudeSteps-1])
						piece(i,j);
			polePiece([1,1,1,1,1,1,1,1]);
			rotate([180,0,0]) polePiece([0,0,0,0,0,0,0,0]);
		}
		sphere(r=r+h,$fn=sphereQuality);
	}
}

module spherePiece(j)
{
	intersection(){
		sphere(r=r+h,$fn=sphereQuality);
		piece(0,j);
	}
}

module spherePolePiece(connectors)
{
	intersection(){
		sphere(r=r+h,$fn=sphereQuality);
		polePiece(connectors);
	}
}

module sphereLetterPuzzle()
{
	intersection() {
		union()
		{
			for( i=[0:longitudeSteps-1] )
				rotate([0,0,i*360/longitudeSteps])
					for( j=[-latitudeSteps+1:latitudeSteps-1])
						piece(i,j);
			polePiece([1,1,1,1,1,1,1,1]);
			rotate([180,0,0]) polePiece([0,0,0,0,0,0,0,0]);
		}
		sphere(r=r+h,$fn=sphereQuality);
	}

	s = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
	for( i=[0:longitudeSteps-1] )
		rotate([0,0,i*360/longitudeSteps])
			for( j=[-latitudeSteps+1:latitudeSteps-1])
				rotate([j*90/latitudeSteps,0,0])	translate([0,r,0])
					rotate([-90,0,0])
						translate([-textOffset[0],-textOffset[1],(h+textScale[2])/2])
							rotate([0,0,180])
								write(s[i-(j-2)*8],t=(h+textScale[2]),h=15,center=true);
}

module letterPiece(j,l)
{
	if (latitudeIndex<=-latitudeSteps)
		rotate([180,0,0]) spherePolePiece(southPoleConnectors);
	else if (latitudeIndex>=latitudeSteps)
		spherePolePiece(northPoleConnectors);
	else
		spherePiece(j);

	rotate([j*90/latitudeSteps,0,0])	translate([0,r,0])
		rotate([-90,0,0])
			if(textMethod==1)
				translate([-textOffset[0],-textOffset[1],(h+textScale[2])/2])
					rotate([0,0,180])
						write(l,t=(h+textScale[2]),h=15,center=true);
			else
				linear_extrude(height = h+1, center = false, convexity = 10, scale=(r+h)/r)
					translate([-textOffset[0],-textOffset[1]])
						scale([0.004* textScale[0],0.004*textScale[1]])
							letter(l);
}

// l is layer
module letter(l) {
	minx = dxf_dim(file=font, name="minx",layer=l );
	maxx = dxf_dim(file=font, name="maxx",layer=l );
	miny = dxf_dim(file=font, name="miny",layer=l );
	maxy = dxf_dim(file=font, name="maxy",layer=l );
	advx = dxf_dim(file=font, name="advx",layer=l );
	advy = dxf_dim(file=font, name="advy",layer=l );
	rotate(180)
		translate([-advx/2,-maxy/2])
	   	import(font, layer=l);
}

//jp=2;
//translate([2*r,0,0]) piece(0,jp);
//spherePiece(-2);
//rotate([0,0,1*360/longitudeSteps]) spherePiece(1);
//rotate([0,0,1*360/longitudeSteps]) spherePiece(-1);
//rotate([0,0,1*360/longitudeSteps]) spherePiece(0);
//spherePiece(0);
//rotate([0,0,1*360/longitudeSteps])spherePiece(1);
//rotate([0,0,2*360/longitudeSteps])spherePiece(-2);
//spherePolePiece([1,1,1,1,1,1,1,1]);
//spherePuzzle();

//sphereLetterPuzzle();

rotate([90,0,0])
	translate([0,-r,0])
		rotate([-latitudeIndex*90/latitudeSteps,0,0])
			letterPiece(latitudeIndex,text);

```


[User]
Okay, I've got a turntable design in mind, and I need your help creating the OpenSCAD files for it. It's going to be a two-part turntable with a set of ball bearings in between them. The specific design is based on a simple version I already made, and I'd like to expand upon the modularity of the design.

Here are the high-level features that I want to be able to control parametrically:

*   **Overall Radius:** I need a main radius parameter to set the overall size of the turntable. Let's call it `main_radius`.

*   **Plates:** The turntable will have a top and bottom plate, each with their own thickness. Let's name the parameters `top_plate_height` and `bottom_plate_height`. There will be an intermediary height to define spacing called `inter_plate_height`.

*   **Skirt:** The top plate will have a skirt for aesthetics and also to help keep the balls in place. This skirt should be controllable using `skirt_height`, `skirt_thickness`, and `skirt_space` (the distance from the skirt to the plate edge).

*   **Ball Bearings:** The ball bearings themselves should be parameterizable as `ball_radius`.

*   **Bearing Grooves:** The grooves for the ball bearings should be generated automatically with their radius based on a parameter `gradii` which is a list of the groove radii to use.

*   **Screw Hole:** I need a central hole for a screw to secure the turntable. Let's use `r_screwhole` for the radius of this hole and `screwhead` for the diameter of the screw head.

*   **Anti-Coplanar CSG:** To avoid rendering problems, I'd like to use `epsilon` for a small offset when using difference operations.

**Specifics on Implementation**
* The `gradii` parameter should control the radii of the grooves on both the top and bottom plate that will hold the ball bearings. The module for the groove generation should be called `grooves`. The groove shape should be a torus generated by rotating a circle. A dedicated module should create the torus object.
* The top and bottom plate should be created in separate modules. The modules should receive the radius `pr` and the height `ph` as parameters.
* The main assembly module called `plateau` should take all parameters, including the radius, the heights, and spacing values and return a single object composed of the bottom and top plate and also handle the intermediary spacing. This module should call `top_plate` and `bot_plate` modules to generate the plates.
* The module `skirt` should take the outer radius `or`, the thickness `tk`, and the height `ht` as parameters and return the geometry for the skirt object.

I'd like to be able to render both the complete turntable and also the individual parts for easier 3D printing.

I'm not using any existing libraries for this project, so please generate everything from scratch. Let me know if you have any questions. Thanks!

[Assistant]
turntable.scad:
```
$fa=3;

main_radius=48;
inter_plates=1;
top_plate_height=5;
bottom_plate_height=5;
skirt_height=4;
skirt_thickness=1.2;
skirt_space=1;
ball_radius=3;
//groove radii
gradii=[40,30,20];

//screw home radius
r_screwhole=1;
screwhead=4;

//skirt thickness
skirt_thickness=1.2;
//space between inner wall of the skirt and bottom plate's outer wall
skirt_spacing=1;

//check
//~ translate([0,0,-(bfloor+tfloor+br*2)/2])cylinder(r=10,h=bfloor+tfloor+br*2);

//anti coplanar csg
epsilon=0.1;

module torus(tradius,cradius){
	rotate_extrude(convexity = 10)
		translate([tradius, 0, 0])
			circle(r = cradius,$fs=1);
	}

module grooves(br){
	for(ir=gradii) {torus(ir,br);}
	}

module plate(pr,ph,ip,br){
	difference(){
		cylinder(r=pr,h=ph);
		translate([0,0,ph+ip/2]) grooves(br);
		}
	}

module skirt(or,tk,ht){
	difference(){
		cylinder(r=or,h=ht);
		translate([0,0,-epsilon])cylinder(r=or-tk,h=ht+epsilon*2);
		}
	}

module bot_plate(pr,ph,ip,br){
	difference() {
		plate(pr,ph,ip,br);
		//trou / cylindre plein pour recevoir la vis
		union()
			{
			translate([0,0,-ph])cylinder(r=r_screwhole,h=ph*3);
			translate([0,0,-screwhead/2])sphere(r=screwhead);
			}
		}

	}

module top_plate(pr,ph,sh,st,ip,br){
	difference() {
		union() {
			plate(pr,ph,ip,br);
			translate([0,0,ph]) skirt(pr,st,sh);
			}
		//trou / cylindre plein pour recevoir la vis
		translate([0,0,ph*0.3])cylinder(r=r_screwhole,h=ph);
		}

	}

module plateau(	mr,ip,tph,bph,sh,st,sp,br)
	{
	bot_plate(mr-st-sp,bph,ip,br);		//bottom plate
	translate([0,0,tph+bph+ip]) 	//top plate
		rotate([180,0,0]) top_plate(mr,tph,sh,st,ip,br);
	}

module parts(	mr,ip,tph,bph,sh,st,sp,br)
	{
	translate([sqrt(2*mr*mr)+1,sqrt(2*mr*mr)+1,0])
	bot_plate(mr-st-sp,bph,ip,br);		//bottom plate

		//~ rotate([180,0,0])
		top_plate(mr,tph,sh,st,ip,br);
	}

difference() //cross cut
{

//~ plateau(main_radius,inter_plates,top_plate_height,bottom_plate_height,skirt_height,skirt_thickness,skirt_space,ball_radius);
parts(main_radius,inter_plates,top_plate_height,bottom_plate_height,skirt_height,skirt_thickness,skirt_space,ball_radius);

//~ translate([0,0,-main_radius])cube(main_radius*2);
}// </cross cut>
```


[User]
Okay, I'd like to have a parametric shaving soap holder designed in OpenSCAD. I'm aiming for something that will securely hold a frustum-shaped soap puck and also capture the lather during use, preventing it from running all over the place.

The soap itself is a frustum, meaning it has a larger diameter at the base than at the top. I need to be able to adjust these diameters, as well as the height of the soap puck.  The holder should have two main parts: a main sleeve that cups the soap, and a base ring which the sleeve slips over.

For the *main sleeve*:

*   It needs to have an internal shape matching the soap's frustum shape, with a small clearance.
*   The main sleeve should have a lower section that is more cylindrical and a flared upper cup section.
*   The top of the flared section should have a rounded toroidal lip to contain the lather.
*   There needs to be a small lower lip to hold the base ring, and the main body of the sleeve needs to be hollow.
*   I want the thickness of the walls to be adjustable, both at the bottom and top of the sleeve.

For the *base ring*:

*   It should slip inside the sleeve.
*   I'd like a gap between the base ring and the inside of the main sleeve, to prevent it from getting stuck.
*   The base ring should have a series of bumps or ribs on the outside to help it grip the inside of the sleeve.
*   I want to adjust the number and size of the bumps/ribs.
*   I want to adjust the height of the ring itself.

I need parameters for:

*   Soap thickness (height).
*   Soap diameter at the base.
*   Soap diameter at the top.
*   Flare radius of the upper cup (how much it flares out).
*   Height of the lower retaining cone part.
*   Height of the upper rim.
*   Height of the base ring.
*   Gap between the ring and sleeve.
*   Rim scale (percentage increase of lip thickness relative to the wall).
*   Wall thickness at the top lip.
*   Wall thickness at the bottom of sleeve.
*   Number of bumps and ribs on the base ring.
*   Radius of the bumps.

I would prefer to use the `regular_shapes.scad` library from the MCAD library for any cylinders/spheres/toruses etc.  It should be possible to select which part to show from within the OpenSCAD file, so a `part` variable with options: "Sleeve", "Ring", and "All". There should also be a parameter to toggle whether the parts are shown as assembled or separated. I think a `PartsMated` parameter with "Mated" or "Separated" options would be good.

Can you generate the necessary OpenSCAD files for this?

[Assistant]
ShavingSoapHolder2.scad:
```
//Holder for Shaving Soap from http://www.mermaidbay.co.nz/
// Soap block is a frustrum

//A holder is needed to stop the damn family from using it to wash hands etc

/* [Global] */

// Which parts would you like to see?
part = "All"; // [Sleeve:Main Sleeve part only  ,Ring:Base Retention Ring only,All:All Parts]

// Show the parts Mated together?
PartsMated = "Separated"; //[Mated, Separated]

/* [Soap Block] */
//Thickness of Soap
SoapT=27;
//Diameter of Soap at base (max diameter)
SoapDBase=75;
//Diameter of Soap at top (diameter of a frustrum ignoring the edge bevels)
SoapDTop=69;
//

/* [Other Dimensions] */
//Flare radius of Upper cup more than D2;
FlareR=8;
//Height of lower retaining cone part
T=12;
//Height of upper rim
T2=SoapT+10 -T;

SoapD2=SoapDBase - ( (SoapDBase-SoapDTop)*(T/SoapT)); //was 72 @ 12
echo(str("BaseD=",SoapDBase, " TopD= ",SoapDTop,"  SoapD2 =",SoapD2 , " at height T=",T));

// Height of the base part
RingH=7;
//gap between ring and sleeve
RingGap=0.3;

// Top Rim / Lip is a toroidal section. Increase Thickness by XX% of the wall thickness
RimScale=0;
// Wall thickness at the top lip
wallt=1.5;
//wall thickness at the bottom
wallt2=2.4;

//number of bumps and ribs in the base
NStep=7;

RimX=wallt*RimScale/200;

/* [Hidden] */
IR1=SoapDBase/2; //diameter of cake of soap at base
IR2=SoapD2/2; //diameter of soap at T above base (was 71)
IR3=IR2+FlareR;

OR1=IR1+wallt2;
OR2=IR2+wallt;
OR3=IR3+wallt;

BumpR=4/2;

use <MCAD/regular_shapes.scad>

module Ring(r,h) {
	difference() {
		cylinder(r=r, h=h);
		translate([0,0,-0.1]) cylinder(r1=r-wallt, r2=r-wallt2, h=h+0.2);
	}//diff
}//mod

module Bumps( dR=0) {

    translate([0,0,RingH/2])
	for (A=[0:NStep-1]) {
			rotate([0,0,(A+0.5)*(360/NStep)]) translate([IR1,-wallt/2,0]) 	sphere(r=BumpR+dR,$fn=20);
		}//for
}//mod bumps

module Base() { //base to slip inside
    color("red")
    difference() {
        union() {
  	 translate([0,0,0]) {
		for (dR=[RingGap,10,20]) Ring(r=IR1-dR, h=RingH); //rings

		for (A=[0:NStep-1]) { //radials
			rotate([0,0,(A+0.5)*(360/NStep)])
                            translate([-IR1+0.5,-wallt/2,0])
                                cube([20+1,wallt,RingH]);
		}//for
	}//trans
        intersection() {
            Bumps(2);
            cylinder(r=IR1-RingGap, h=RingH);
        }//intersect
        }//union

      Bumps(0.4);
    }//diff
}//mod base
//-------------

if (part=="Sleeve" || part=="All") {
    //$fn=70;
	difference() {
		union() {
			cylinder(r1=OR1, r2=OR2, h=T); //main retaining cone
			translate([0,0,T]) cylinder(r1=OR2, r2=OR3,h=T2); //upper flare cup
                        color("yellow") translate([0,0,T+T2]) torus(OR3+RimX, innerRadius=IR3-RimX,$fn=50); //round rim/lip on top
                        color("red") translate([0,0,-RingH]) cylinder(r=OR1, h=RingH); //lower ring sleeve
		}//union
		translate([0,0,-0.01]) cylinder(r1=IR1, r2=IR2, h=T+0.2, $fn=30); //
		translate([0,0,T-0.01]) cylinder(r1=IR2, r2=IR3,h=T2+0.2);
                translate([0,0,-RingH-0.01]) cylinder(r1=IR1, r2=IR1,h=RingH+0.2,$fn=30);
	}//diff

        translate([0,0, -RingH]) Bumps(); //positive bumps
    }//if

$fn=50;
dXY= (PartsMated=="Mated") ? 0: IR1*2.5;
if (part=="Ring" || part=="All")
    color("orange")
        translate([dXY, 0, -RingH])
            Base();
//soap
if (part=="All") color("white")
    translate([dXY/2,dXY])
        difference() {
            cylinder(r1=SoapDBase/2, r2=SoapDTop/2, h=SoapT);
            rotate([0,0,-60])
                translate([0,0,-0.01])cube([SoapDBase,SoapDBase,SoapT+0.02]);
        }//diff
```


[User]
I'd like to design a tray with a mesh bottom for use in wet environments. It should be parametric, so I can easily adjust its dimensions. Here are the details:

**Overall Shape:** The tray will be rectangular with raised sides. It will also have feet to lift it off the surface.

**Dimensions:**

*   **Length:** This will be a variable, adjustable between 10 and 250 units. Let's call this `length`.
*   **Width:** Another variable, adjustable between 10 and 150 units, named `width`.
*   **Side Height:** The height of the tray's sides, adjustable between 1.5 and 5.0 units. Let's call this `side_height`.
*   **Base Mesh Thickness:** The thickness of the mesh base, adjustable between 1.0 and 3.0 units, named `mesh_width`.
*   **Mesh Gap Width:** The width of the gaps in the mesh base, adjustable between 2 and 10 units, named `gap_width`.
*   **Foot Height:** The height of the feet, adjustable between 2 and 5 units, called `foot_height`.

**Specifics:**

*   **Mesh Base:** The base of the tray should have a mesh pattern created by intersecting the main base cube with rotated cubes.  I think it should have diagonals running in both directions across the base.
*   **Raised Sides:** The sides should form a continuous border around the base.
*   **Feet:** There should be four feet, located at the corners of the tray and I’d like them to be pyramid-shaped.
*   I'd like a function to help find the edge points of the mesh to make sure they fully intersect the rectangular base, it should be called `pt(a)` where `a` is the length or width used to generate the mesh.

I'd like the OpenSCAD design to be well-commented, using descriptive variable names, and I'd like the design to have good code structure. Please don't use any libraries I'm not already using in the included file. This is for a simple tray so I don't think it needs any fancy math libraries.

[Assistant]
WetSurfaceTray.scad:
```

//Length of tray
length=65; //[10:250]

//Width of tray
width=50; //[10:150]

//Height of sides
side_height=2.5; //[1.5:5.0]

//Thickness of base mesh
mesh_width=1.2; //[1.0:3.0]

//Width of mesh gaps
gap_width=7; //[2:10]

//Height of tray feet
foot_height=3; //[2:5]

//cube([width,length,mesh_width], center=true);
//base();

rotate([0,0,90])
union()
{
	basket();
 	feet();
}

//Middle leg perhaps.. Needs work
//	rotate([0,0,-45]) leg();
//	rotate([0,0,135]) leg();

module feet()
{
	translate([width/2-foot_height,-length/2+foot_height,-mesh_width/2]) rotate([0,0,0]) leg();
	translate([-width/2+foot_height,-length/2+foot_height,-mesh_width/2])  rotate([0,0,-90])  leg();

	translate([-width/2+foot_height,length/2-foot_height,-mesh_width/2]) rotate([0,0,180])  leg();
	translate([width/2-foot_height,length/2-foot_height,-mesh_width/2])  rotate([0,0,90])  leg();

}

module leg()
{
	rotate([180,0,0])
	polyhedron(
		points=[ [foot_height,foot_height,0],[foot_height,-foot_height,0],[-foot_height,-foot_height,0],[-foot_height,foot_height,0], // the four points at base
         	[0,0,foot_height]  ],                                 // the apex point
  		faces=[ [0,1,4],[1,3,4],[3,0,4], //[2,3,4],[3,0,4],              // each triangle side
         	[1,0,3]]//,[2,1,3] ]                         // two triangles for square base
	 );

}

module wall(length, zangle)
{

	rotate([90,0,zangle])
	linear_extrude(height = length, center = true, convexity = 10)
	{
		polygon(
		points=[ [side_height,side_height],[side_height,0],[0,0]],
		paths=[[0,1,2]]
		);
	}

}

module basket()
{

	difference()
	{
		base();

		difference()
		{

			cube([length*width,length*width,mesh_width*2], center=true);
			cube([width,length,mesh_width*3], center=true);
		}
	}

	//Walls
	translate([width/2-side_height,0,-mesh_width/2]) wall(length,0);
	translate([-width/2+side_height,0,-mesh_width/2]) wall(length,180);

	translate([0,-length/2+side_height,-mesh_width/2]) wall(width,270);
	translate([0,length/2-side_height,-mesh_width/2]) wall(width,90);

}

module base()
{
	greaterLength=length>width?length:width;

	intersection()
	{
		cube([width,length,mesh_width], center=true);
		union()
		{
			for(i=[-pt(greaterLength):gap_width:pt(greaterLength)])
			{
				translate([i-mesh_width,mesh_width*1.5-gap_width/2,0])
					rotate([0,0,-45])  cube([mesh_width,length*2,mesh_width], center=true);
				translate([i+mesh_width,0,0])
					rotate([0,0,45])   cube([mesh_width,length*2,mesh_width], center=true);
			}
		}
	}

}

function pt(a) = sqrt(a*a + a*a)/2;

```


[User]
I need an OpenSCAD design for a parametric box, but I want to be able to visualize it on different 3D printer build plates. I'm using the "TNH_build_plate.scad" library from Thingiverse, which I'll include in the same directory as my design. I'm not sure if you can access files on my computer, but I'll copy the list of printers it supports here for you:

0	Manual
1	Afinia H480
2	Afinia H800
3	Cubify Cube 2
4	Cubify Cube 3
5	Cubify CubePro
6	Dremel 3D Idea Builder
7	Flashforce Dreamer
8	Flashforge Creator
9	Flashforge Creator II
10	Flashforge Creator Pro
11	Flashforge Creator X
12	Formlabs Form 1
13	Formlabs Form 1+
14	LulzBot KITTAZ
15	LulzBot Mini
16	LulzBot TAZ 4
17	Makerbot Cupcake CNC
18	Makerbot Replicator
19	Makerbot Replicator 2
20	Makerbot Replicator 2X
21	Makerbot Replicator 5th Generation
22	Makerbot Replicator Mini
23	Makerbot Replicator Z18
24	Makerbot Thing-o-Matic
25	Makerfarm Prusa 10" i3v
26	Makerfarm Prusa 12" i3v
27	Makerfarm Prusa 8" i3v
28	MakerGear M2
29	Monoprice 3D Printer Rev. 1
30	Printrbot Plus
31	Printrbot Simple
32	Printrbot Simple Metal
33	Solidoodle 1
34	Solidoodle 2
35	Solidoodle 3
36	Solidoodle 4
37	Solidoodle Press
38	Solidoodle Workbench
39	Solidoodle Workbench Apprentice
40	Type A Machines Series 1
41	Ultimaker 2
42	Ultimaker 2 Extended
43	Ultimaker 2 Go
44	Ultimaker Original
45	UP Mini
46	UP Plus
47	UP Plus2
48	XYZprinting Da Viinci 2.0 Duo
49	XYZprinting Da Vinci 1.0
50	XYZprinting Da Vinci 1.0 AiO

For the box itself, I'd like to have parameters for the width, depth, and height. I'd also like to set a wall thickness, as well as the printer build plate. If the selected build plate is "Manual," then I'd need to be able to set the manual X and Y dimensions. I think that's all I need for this initial design.

[Assistant]
TNH_build_plate.scad:
```
// Build Plate Library v2
// by TheNewHobbyist 2015 (http://thenewhobbyist.com)
// http://www.thingiverse.com/thing:645708
//
// "Build Plate Library v2" is licensed under a
// Creative Commons Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0) License.
//
// Description:
// This is an updated version of "Build Plate Library for Customizer" by Makerbot
// http://www.thingiverse.com/thing:44094
//
// I've updated the template file to include the following build plate sizes:
//
// 0	Manual
// 1	Afinia H480
// 2	Afinia H800
// 3	Cubify Cube 2
// 4	Cubify Cube 3
// 5	Cubify CubePro
// 6	Dremel 3D Idea Builder
// 7	Flashforce Dreamer
// 8	Flashforge Creator
// 9	Flashforge Creator II
// 10	Flashforge Creator Pro
// 11	Flashforge Creator X
// 12	Formlabs Form 1
// 13	Formlabs Form 1+
// 14	LulzBot KITTAZ
// 15	LulzBot Mini
// 16	LulzBot TAZ 4
// 17	Makerbot Cupcake CNC
// 18	Makerbot Replicator
// 19	Makerbot Replicator 2
// 20	Makerbot Replicator 2X
// 21	Makerbot Replicator 5th Generation
// 22	Makerbot Replicator Mini
// 23	Makerbot Replicator Z18
// 24	Makerbot Thing-o-Matic
// 25	Makerfarm Prusa 10" i3v
// 26	Makerfarm Prusa 12" i3v
// 27	Makerfarm Prusa 8" i3v
// 28	MakerGear M2
// 29	Monoprice 3D Printer Rev. 1
// 30	Printrbot Plus
// 31	Printrbot Simple
// 32	Printrbot Simple Metal
// 33	Solidoodle 1
// 34	Solidoodle 2
// 35	Solidoodle 3
// 36	Solidoodle 4
// 37	Solidoodle Press
// 38	Solidoodle Workbench
// 39	Solidoodle Workbench Apprentice
// 40	Type A Machines Series 1
// 41	Ultimaker 2
// 42	Ultimaker 2 Extended
// 43	Ultimaker 2 Go
// 44	Ultimaker Original
// 45	UP Mini
// 46	UP Plus
// 47	UP Plus2
// 48	XYZprinting Da Viinci 2.0 Duo
// 49	XYZprinting Da Vinci 1.0
// 50	XYZprinting Da Vinci 1.0 AiO
//
// Usage:
// See below for Makerbot's original instructions on usage.
//

//use this to include a build plate visualization in your openSCAD scripts. Very useful for things designed to be edited in Makerbot Customizer

//to use, either include or use <utils/build_plate.scad>

//then just call build_plate(); with the following arguments (also, you have to have a real object in your scene for this to render)

//putting 0 as the first argument will give you a Replicator 2 build plate
//putting 1 as the first argument will give you a Replicator 1 build plate
//putting 2 as the first argument will give you a Thingomatic build plate
//putting 3 as the first argument will give you a manually adjustable build plate (note: if you use this option, you need to specify your build plates X length (in mm) as the second argument and the Y length (in mm) as the third argument. eg. build_plate(3,150,120);)

/*

to give your user control of which build plate they see in Customizer, include the following code:

use <utils/build_plate.scad>

//for display only, doesn't contribute to final object
build_plate_selector = 0; //[0:Manual,1:Afinia H480,2:Afinia H800,3:Cubify Cube 2,4:Cubify Cube 3,5:Cubify CubePro,6:Dremel 3D Idea Builder,7:Flashforce Dreamer,8:Flashforge Creator,9:Flashforge Creator II,10:Flashforge Creator Pro,11:Flashforge Creator X,12:Formlabs Form 1,13:Formlabs Form 1+,14:LulzBot KITTAZ,15:LulzBot Mini,16:LulzBot TAZ 4,17:Makerbot Cupcake CNC,18:Makerbot Replicator,19:Makerbot Replicator 2,20:Makerbot Replicator 2X,21:Makerbot Replicator 5th Generation,22:Makerbot Replicator Mini,23:Makerbot Replicator Z18,24:Makerbot Thing-o-Matic,25:Makerfarm Prusa 10" i3v,26:Makerfarm Prusa 12" i3v,27:Makerfarm Prusa 8" i3v,28:MakerGear M2,29:Monoprice 3D Printer Rev. 1,30:Printrbot Plus,31:Printrbot Simple,32:Printrbot Simple Metal,33:Solidoodle 1,34:Solidoodle 2,35:Solidoodle 3,36:Solidoodle 4,37:Solidoodle Press,38:Solidoodle Workbench,39:Solidoodle Workbench Apprentice,40:Type A Machines Series 1,41:Ultimaker 2,42:Ultimaker 2 Extended,43:Ultimaker 2 Go,44:Ultimaker Original,45:UP Mini,46:UP Plus,47:UP Plus2,48:XYZprinting Da Viinci 2.0 Duo,49:XYZprinting Da Vinci 1.0,50:XYZprinting Da Vinci 1.0 AiO,]
//when Build Plate Selector is set to "manual" this controls the build plate x dimension
build_plate_manual_x = 100; //[100:400]
//when Build Plate Selector is set to "manual" this controls the build plate y dimension
build_plate_manual_y = 100; //[100:400]

build_plate(build_plate_selector,build_plate_manual_x,build_plate_manual_y);

*/

//to see how this works, uncomment the following code

//build_plate_selector = 0; //[0:Manual,1:Afinia H480,2:Afinia H800,3:Cubify Cube 2,4:Cubify Cube 3,5:Cubify CubePro,6:Dremel 3D Idea Builder,7:Flashforce Dreamer,8:Flashforge Creator,9:Flashforge Creator II,10:Flashforge Creator Pro,11:Flashforge Creator X,12:Formlabs Form 1,13:Formlabs Form 1+,14:LulzBot KITTAZ,15:LulzBot Mini,16:LulzBot TAZ 4,17:Makerbot Cupcake CNC,18:Makerbot Replicator,19:Makerbot Replicator 2,20:Makerbot Replicator 2X,21:Makerbot Replicator 5th Generation,22:Makerbot Replicator Mini,23:Makerbot Replicator Z18,24:Makerbot Thing-o-Matic,25:Makerfarm Prusa 10" i3v,26:Makerfarm Prusa 12" i3v,27:Makerfarm Prusa 8" i3v,28:MakerGear M2,29:Monoprice 3D Printer Rev. 1,30:Printrbot Plus,31:Printrbot Simple,32:Printrbot Simple Metal,33:Solidoodle 1,34:Solidoodle 2,35:Solidoodle 3,36:Solidoodle 4,37:Solidoodle Press,38:Solidoodle Workbench,39:Solidoodle Workbench Apprentice,40:Type A Machines Series 1,41:Ultimaker 2,42:Ultimaker 2 Extended,43:Ultimaker 2 Go,44:Ultimaker Original,45:UP Mini,46:UP Plus,47:UP Plus2,48:XYZprinting Da Viinci 2.0 Duo,49:XYZprinting Da Vinci 1.0,50:XYZprinting Da Vinci 1.0 AiO,]
//build_plate_manual_x = 100; //[100:400]
//build_plate_manual_y = 100; //[100:400]
//
//build_plate(build_plate_selector,build_plate_manual_x,build_plate_manual_y);
//
//cube(5);

module build_plate(bp,manX,manY){
	translate([0,0,-.52]){
		if(bp == 0){%cube([manX,manY,1],center = true);}
		if(bp == 1){%cube([140,140,1],center = true);}
		if(bp == 2){%cube([255,205,1],center = true);}
		if(bp == 3){%cube([140,140,1],center = true);}
		if(bp == 4){%cube([152,152,1],center = true);}
		if(bp == 5){%cube([275,265,1],center = true);}
		if(bp == 6){%cube([230,150,1],center = true);}
		if(bp == 7){%cube([230,150,1],center = true);}
		if(bp == 8){%cube([225,145,1],center = true);}
		if(bp == 9){%cube([225,145,1],center = true);}
		if(bp == 10){%cube([225,145,1],center = true);}
		if(bp == 11){%cube([225,145,1],center = true);}
		if(bp == 12){%cube([125,125,1],center = true);}
		if(bp == 13){%cube([125,125,1],center = true);}
		if(bp == 14){%cube([298,275,1],center = true);}
		if(bp == 15){%cube([152,152,1],center = true);}
		if(bp == 16){%cube([298,275,1],center = true);}
		if(bp == 17){%cube([100,100,1],center = true);}
		if(bp == 18){%cube([225,145,1],center = true);}
		if(bp == 19){%cube([285,155,1],center = true);}
		if(bp == 20){%cube([246,152,1],center = true);}
		if(bp == 21){%cube([252,199,1],center = true);}
		if(bp == 22){%cube([100,100,1],center = true);}
		if(bp == 23){%cube([300,305,1],center = true);}
		if(bp == 24){%cube([100,100,1],center = true);}
		if(bp == 25){%cube([254,254,1],center = true);}
		if(bp == 26){%cube([305,305,1],center = true);}
		if(bp == 27){%cube([203,203,1],center = true);}
		if(bp == 28){%cube([203,203,1],center = true);}
		if(bp == 29){%cube([225,145,1],center = true);}
		if(bp == 30){%cube([254,254,1],center = true);}
		if(bp == 31){%cube([100,100,1],center = true);}
		if(bp == 32){%cube([150,150,1],center = true);}
		if(bp == 33){%cube([100,100,1],center = true);}
		if(bp == 34){%cube([152,152,1],center = true);}
		if(bp == 35){%cube([203,203,1],center = true);}
		if(bp == 36){%cube([203,203,1],center = true);}
		if(bp == 37){%cube([203,203,1],center = true);}
		if(bp == 38){%cube([305,305,1],center = true);}
		if(bp == 39){%cube([203,203,1],center = true);}
		if(bp == 40){%cube([305,305,1],center = true);}
		if(bp == 41){%cube([230,225,1],center = true);}
		if(bp == 42){%cube([230,225,1],center = true);}
		if(bp == 43){%cube([120,120,1],center = true);}
		if(bp == 44){%cube([210,210,1],center = true);}
		if(bp == 45){%cube([120,120,1],center = true);}
		if(bp == 46){%cube([140,140,1],center = true);}
		if(bp == 47){%cube([140,140,1],center = true);}
		if(bp == 48){%cube([150,200,1],center = true);}
		if(bp == 49){%cube([200,200,1],center = true);}
		if(bp == 50){%cube([200,200,1],center = true);}
	}
}
```


[User]
I'd like to design a dice tray with a lid and a mat, and I'd like it to be customizable. I've seen some nice designs that have rounded corners, and some that have straight edges with chamfers, and I'd like to be able to switch between those styles. I also want a way to lock the lid onto the tray, and I'm thinking either a slide lock or a strap lock would work, but maybe I should have an option for no lock too.

For the dimensions, I'd like to control the overall height, width, and depth of the tray. I'll need to set a corner radius, too, and then I'll need to control how rounded or chamfered the edges are with another radius value. I need to be able to control the wall thickness, and the bottom thickness as well. The lid should also have a thickness, and the rolling mat that goes inside the tray should have its own thickness. Finally, it would be great to control how much the lid inserts into the tray - maybe that is a depth, but maybe it's a height, you can decide.

For the lock, I need to set its width and thickness, as well as how far it is from the wall, and how much padding it has. The slide lock also needs to have an overlap distance with the tray and the lock corner cut parameter. The strap lock needs a strap size parameter. I should also control a padding value and a margin, both for general use, and also how many facets for smoothing.

I think that's it. Can you generate the OpenSCAD code? I'd like to be able to specify which part I'm previewing, like the tray, or the lid, or the mat, or all of them together. So I'm expecting that I'll be able to set the following parameters:

*   `trayStyle` (0 for straight with rounded edges, 1 for chamfered)
*   `lockStyle` (0 for none, 1 for slide lock, 2 for strap lock)
*   `trayHeight`
*   `trayWidth`
*   `trayDepth`
*   `cornerRadius`
*   `smoothRadius`
*   `wallThickness`
*   `bottomThickness`
*   `lidThickness`
*  `matThickness`
*   `lidInTrayHeight`
*   `lockWidth`
*   `lockThickness`
*   `lockWallDistance`
*   `lockPadding`
*   `lockTrayOverlap`
*   `lockCornerCut`
*   `lockStrapSize`
*  `pad`
*  `margin`
*   `smooth`
*   `part` ("tray", "lid", "mat", "all")

I'm not planning to use any external libraries.

[Assistant]
Dice_tray.scad:
```
//The design style of the tray
trayStyle = 1; // [0:Straight w/ rounded edge,1:Chamfer]

//The kind of lock to use with the lid
lockStyle = 1; // [0:None, 1:Slide lock, 2:Strap lock]

trayHeight = 30;
trayWidth = 100;
trayDepth = 150;

cornerRadius = 25;
//Rounded edge and Chamfer size
smoothRadius = 5;
wallThickness = 2;
bottomThickness = 3;

lidThickness = 3;
matThickness = 1;

// Which part would you like to preview?
part = "all"; // [tray:Tray Only,lid:Lid Only,mat:Mat Only, all:All parts]

/* [Hidden] */
lidInTrayHeight = 2;

lockWidth = 15;
lockThickness = 4;
lockWallDistance = 1;
lockPadding = 0.2;
lockTrayOverlap = 4;
lockCornerCut = 3;
lockStrapSize = 2;

pad = 0.1;	// Padding
margin = 0.3;
smooth = 100;	// Number of facets of rounding cylinder

print_parts();

module print_parts() {
	if (part == "tray") {
		createTray();
	} else if (part == "lid") {
		createLid();
	} else if (part == "mat") {
		createMat();
	} else{
		createTray();
		createLid();
		color("black", a=1.0){
			createMat();
		}
	}
}

module createMat(){
	difference(){
		translate([-(getWidth()-(wallThickness+smoothRadius+margin)*2)/2,-(getDepth()-(wallThickness+smoothRadius+margin)*2)/2,bottomThickness+margin]){
			cube(size = [getWidth()-(2*(wallThickness+smoothRadius+margin)), getDepth()-(2*(wallThickness+smoothRadius+margin)), matThickness]);
		}

		union(){
			createLidcorner([max(((trayWidth/2-margin)-cornerRadius), 0),max(((trayDepth/2-margin)-cornerRadius),0),bottomThickness+margin], matThickness, cornerRadius-wallThickness-smoothRadius);

			mirror(0,0,0) createLidcorner([max(((trayWidth/2-margin)-cornerRadius), 0),max(((trayDepth/2-margin)-cornerRadius),0),bottomThickness+margin], matThickness, cornerRadius-wallThickness-smoothRadius);

			rotate(180,0,0){
				createLidcorner([max(((trayWidth/2-margin)-cornerRadius), 0),max(((trayDepth/2-margin)-cornerRadius),0),bottomThickness+margin], matThickness, cornerRadius-wallThickness-smoothRadius);

				mirror(0,0,0) createLidcorner([max(((trayWidth/2-margin)-cornerRadius), 0),max(((trayDepth/2-margin)-cornerRadius),0),bottomThickness+margin], matThickness, cornerRadius-wallThickness-smoothRadius);
			}
		}
	}
}

module createLid(){
	if(trayStyle == 0){
		difference(){
			translate([-(getWidth())/2,-(getDepth())/2,trayHeight+margin]){
				cube(size = [(getWidth()), (getDepth()), lidThickness]);
			}

			union(){
				createLidcorner([max(((getWidth()/2)-cornerRadius), 0),max(((getDepth()/2)-cornerRadius),0),trayHeight+margin], lidThickness, cornerRadius);
				mirror(0,0,0) createLidcorner([max(((getWidth()/2)-cornerRadius), 0),max(((getDepth()/2)-cornerRadius),0),trayHeight+margin], lidThickness, cornerRadius);

				rotate(180,0,0){
					createLidcorner([max(((getWidth()/2)-cornerRadius), 0),max(((getDepth()/2)-cornerRadius),0),trayHeight+margin], lidThickness, cornerRadius);
					mirror(0,0,0) createLidcorner([max(((getWidth()/2)-cornerRadius), 0),max(((getDepth()/2)-cornerRadius),0),trayHeight+margin], lidThickness, cornerRadius);
				}
			}
		}
		if(lockStyle != 1){
		difference(){
			translate([-(getWidth()-wallThickness*2-margin*2)/2,-(getDepth()-wallThickness*2-margin*2)/2,trayHeight-lidInTrayHeight+margin]){
				cube(size = [getWidth() - wallThickness*2 - margin*2, getDepth() - wallThickness*2 -margin*2, lidInTrayHeight]);
			}

			union(){
				createLidcorner([max(((trayWidth/2)-cornerRadius- margin), 0),max(((trayDepth/2)-cornerRadius- margin), 0),trayHeight-lidInTrayHeight+margin], lidInTrayHeight, cornerRadius-lidInTrayHeight);
				mirror(0,0,0) createLidcorner([max(((trayWidth/2)-cornerRadius-margin),0), max(((trayDepth/2)-cornerRadius- margin),0), trayHeight-lidInTrayHeight+margin], lidInTrayHeight, cornerRadius-lidInTrayHeight);
				rotate(180,0,0){
					createLidcorner([max(((trayWidth/2)-cornerRadius- margin),0) ,max(((trayDepth/2)-cornerRadius- margin),0) ,trayHeight-lidInTrayHeight+margin], lidInTrayHeight, cornerRadius-lidInTrayHeight);
					mirror(0,0,0) createLidcorner([max(((trayWidth/2)-cornerRadius- margin),0) ,max(((trayDepth/2)-cornerRadius- margin),0) ,trayHeight-lidInTrayHeight+margin], lidInTrayHeight, cornerRadius-lidInTrayHeight);
				}
			}
}
		}
	}else if(trayStyle == 1){
		difference(){
			translate([-getWidth()/2,-getDepth()/2,trayHeight+margin]){
				cube(size = [getWidth(), getDepth(), lidThickness]);
			}

			union(){
				createLidcorner([max(((trayWidth/2)-cornerRadius), 0),max(((trayDepth/2)-cornerRadius),0),trayHeight+margin], lidThickness, cornerRadius);
				mirror(0,0,0) createLidcorner([max(((trayWidth/2)-cornerRadius), 0),max(((trayDepth/2)-cornerRadius),0),trayHeight+margin], lidThickness, cornerRadius);

				rotate(180,0,0){
					createLidcorner([max(((trayWidth/2)-cornerRadius), 0),max(((trayDepth/2)-cornerRadius),0),trayHeight+margin], lidThickness, cornerRadius);
					mirror(0,0,0) createLidcorner([max(((trayWidth/2)-cornerRadius), 0),max(((trayDepth/2)-cornerRadius),0),trayHeight+margin], lidThickness, cornerRadius);
				}
			}
		}
	}

	createLidLocks();
}

module createLidcorner(pos, lidHeight, radius){
	translate([pos[0], pos[1], pos[2]-pad]){
		difference(){
			cube(size = [radius+pad, radius+pad, lidHeight+pad*2]);
			cylinder(lidHeight+pad*2, r=radius, center=false, $fn=smooth);
		}
	}
}

module createLidLocks(){
if(lockStyle == 0){
}else if(lockStyle == 1){
	if((cornerRadius*2) >= max(trayWidth, trayDepth)){
		echo("Round tray");
	}else if(trayWidth <= trayDepth){
		translate([trayWidth/2,-(lockWidth/2+lockThickness+lockPadding),trayHeight+margin]){
			createStraightLock();
		}
		mirror([1,0,0]){
			translate([trayWidth/2,-(lockWidth/2+lockThickness+lockPadding),trayHeight+margin]){
				createStraightLock();
			}
		}
		rotate(a=90, v=[0,0,1]){
			translate([trayDepth/2,-(lockWidth/2+lockThickness+lockPadding),trayHeight+margin]){
				createStraightLock();
			}
		}
	}else{
		translate([trayWidth/2,-(lockWidth/2+lockThickness+lockPadding),trayHeight+margin]){
			createStraightLock();
		}
		translate([(lockWidth/2+lockThickness+lockPadding),trayDepth/2,trayHeight+margin]){
			rotate(a=90, v=[0,0,1]){
				createStraightLock();
			}
		}
		mirror([0,1,0]){
			translate([(lockWidth/2+lockThickness+lockPadding),trayDepth/2,trayHeight+margin]){
				rotate(a=90, v=[0,0,1]){
					createStraightLock();
				}
			}
		}
	}
}else if(lockStyle == 2){
	if(getWidth() <= getDepth()){
		rotate(a=90, v=[0,0,1]){
			translate([-(lockThickness+lockWidth/2),(getDepth()/4)-(lockThickness*2+lockWidth)/2,trayHeight+lidThickness+margin]){
				createStrapLock();
			}
			mirror([0,1,0]){
				translate([-(lockThickness+lockWidth/2),(getDepth()/4)-(lockThickness*2+lockWidth)/2,trayHeight+lidThickness+margin]){
					createStrapLock();
				}
			}
		}
	}else{
		translate([-(lockThickness+lockWidth/2),(getDepth()/4)-(lockThickness*2+lockWidth)/2,trayHeight+lidThickness+margin]){
			createStrapLock();
		}
		mirror([0,1,0]){
			translate([-(lockThickness+lockWidth/2),(getDepth()/4)-(lockThickness*2+lockWidth)/2,trayHeight+lidThickness+margin]){
				createStrapLock();
			}
		}
	}
}
}

module createStrapLock(){
difference(){
	difference(){
		translate([0, 0, -pad]){
			cube(size = [lockThickness*2+lockWidth, lockThickness*3, lockThickness+lockStrapSize+pad], center = false);
		}

		translate([lockThickness, -pad, -pad]){
			cube(size = [lockWidth, lockThickness*3+pad*2, lockStrapSize+pad], center = false);
		}
	}
	mirror([0,1,0]){
		rotate(a= 90, v=[1,0,0]){
			linear_extrude(height = lockThickness*3+pad, center = false, convexity = 10){
				polygon(points=[[0, lockStrapSize], [lockThickness, lockThickness+lockStrapSize+pad], [0, lockThickness+lockStrapSize+pad]]);
			}
		}
	}
	rotate(a= 90, v=[1,0,0]){
		rotate(a= 90, v=[0,1,0]){
			linear_extrude(height = lockThickness*2+lockWidth+pad, center = false, convexity = 10){
				polygon(points=[[-pad, lockThickness], [lockThickness, lockThickness+lockStrapSize+pad], [-pad, lockThickness+lockStrapSize+pad]]);
			}
		}
	}
	translate([lockThickness*2+lockWidth+pad,0,0]){
		mirror([1,0,0]){
			mirror([0,1,0]){
				rotate(a= 90, v=[1,0,0]){
					linear_extrude(height = lockThickness*3+pad, center = false, convexity = 10){
						polygon(points=[[0, lockStrapSize], [lockThickness, lockThickness+lockStrapSize+pad], [0, lockThickness+lockStrapSize+pad]]);
					}
				}
			}
		}
		translate([0,lockThickness*3+pad,0]){
			rotate(a= 90, v=[1,0,0]){
				rotate(a= 270, v=[0,1,0]){
					linear_extrude(height = lockThickness*2+lockWidth+pad, center = false, convexity = 10){
						polygon(points=[[-pad, lockThickness], [lockThickness, lockThickness+lockStrapSize+pad], [-pad, lockThickness+lockStrapSize+pad]]);
					}
				}
			}
		}
	}
}
}

module createStraightLock(){
	linear_extrude(height = lidThickness, center = false, convexity = 10){
		polygon(points=[[-lockThickness*2,0],[0,0], [lockThickness+lockWallDistance,lockThickness+lockWallDistance],[lockThickness+lockWallDistance,lockWidth+lockThickness+lockWallDistance], [0,lockWidth+(lockThickness+lockWallDistance)*2], [-lockThickness*2,lockWidth+(lockThickness+lockWallDistance)*2]]);
	}

	translate([0,lockThickness+lockWallDistance,0]){
		rotate(a=270, v=[1,0,0]){
			linear_extrude(height = lockWidth, center = false, convexity = 10){
				polygon(points=[[lockWallDistance,-pad], [lockThickness+lockWallDistance,-pad],[lockThickness+lockWallDistance,trayHeight+lockPadding+lockWallDistance+lockThickness-lockCornerCut],[lockThickness+lockWallDistance-lockCornerCut,trayHeight+lockPadding+lockWallDistance+lockThickness], [-lockTrayOverlap-lockWallDistance,trayHeight+lockPadding+lockThickness], [-lockTrayOverlap-lockWallDistance,trayHeight+lockPadding], [-lockTrayOverlap,trayHeight+lockPadding],[lockWallDistance,trayHeight+lockPadding]]);
			}
		}
	}
}

module createTray(){
union(){
createSides();
	createCorner([-max(((trayWidth/2)-cornerRadius), 0), max(((trayDepth/2)-cornerRadius),0)]);

	roundInner();
	mirror(0,0,0) createCorner([-max(((trayWidth/2)-cornerRadius), 0), max(((trayDepth/2)-cornerRadius),0)]);

	rotate(180,0,0){
createSides();
		createCorner([-max(((trayWidth/2)-cornerRadius), 0), max(((trayDepth/2)-cornerRadius),0)]);

		roundInner();
		mirror(0,0,0) createCorner([-max(((trayWidth/2)-cornerRadius), 0), max(((trayDepth/2)-cornerRadius),0)]);
	}
}
}

module createCorner(pos){
	if(cornerRadius > 0){
		difference(){
			if(trayStyle == 0){
				difference() {
					translate([pos[0],pos[1],0]){
						cylinder(trayHeight, r=cornerRadius, center=false, $fn=smooth);
					}
					translate([pos[0],pos[1],bottomThickness]){
						cylinder(trayHeight, r = cornerRadius-wallThickness, center=false, $fn=smooth);
					}
				}

				translate([pos[0] , pos[1] , bottomThickness]){
					difference() {
						rotate_extrude(convexity=10,  $fn = smooth){
							translate([cornerRadius-wallThickness-smoothRadius+pad, -pad , 0]){
								square(size=[smoothRadius+pad,smoothRadius+pad], center = false);
							}
						}

						rotate_extrude(convexity=10,  $fn = smooth){
							translate([cornerRadius-wallThickness-smoothRadius,smoothRadius,0]){
								circle(r=smoothRadius, $fn=smooth);
							}
						}
					}
				}
			}else if(trayStyle == 1){
				translate([pos[0],pos[1],0]){
					rotate(0,90,0){
						rotate_extrude(convexity=10,  $fn = smooth){
							polygon(points=[[0,0], [cornerRadius,0], [cornerRadius,trayHeight],[cornerRadius-wallThickness,trayHeight],[cornerRadius-wallThickness-smoothRadius,bottomThickness], [0, bottomThickness]]);
						}
					}
				}
			}
			translate([pos[0],pos[1],0]){
				linear_extrude(height = trayHeight, center = false, convexity = 10) {
					polygon(points=[[0,0],[0,cornerRadius],[cornerRadius,cornerRadius],[cornerRadius,-cornerRadius],[-cornerRadius,-cornerRadius],[-cornerRadius,0]]);
				}
			}
		}
	}
}

module createSides(){
union(){
	if(trayStyle == 0){
		translate([-(trayWidth-(cornerRadius*2))/2, trayDepth/2-wallThickness ,0]){
			cube(size = [trayWidth-(cornerRadius*2), wallThickness, trayHeight], center = false);
		}

		translate([trayWidth/2-wallThickness, -(trayDepth-(cornerRadius*2))/2 ,0]){
			cube(size = [wallThickness, trayDepth-(cornerRadius*2), trayHeight], center = false);
		}

translate([0, -(trayDepth-(cornerRadius*2)+pad)/2 ,0]){
			cube(size = [trayWidth/2-wallThickness+pad, trayDepth-(cornerRadius*2)+pad*2, bottomThickness], center = false);
	}
	}else if(trayStyle == 1){
union(){
		translate([-(trayWidth-(cornerRadius*2))/2,trayDepth/2-wallThickness-smoothRadius,0]){
			rotate([0,0,90]){
				rotate([90,0,0]){
					linear_extrude(height = trayWidth-(cornerRadius*2), center = false, convexity = 10){
						polygon(points=[[0,bottomThickness-pad],[wallThickness+smoothRadius,bottomThickness-pad],[wallThickness+smoothRadius,trayHeight],[smoothRadius,trayHeight]]);
					}
				}
			}
		}

translate([(trayWidth-(cornerRadius*2))/2,(trayDepth-(cornerRadius*2)+pad)/2,0]){
				rotate([90,0,0]){
					linear_extrude(height = trayDepth-(cornerRadius*2)+pad*2, center = false, convexity = 10){
						polygon(points=[[-pad,0],[cornerRadius,0],[cornerRadius,trayHeight],[cornerRadius-wallThickness,trayHeight],[cornerRadius-wallThickness-smoothRadius,bottomThickness], [-pad,bottomThickness]]);
					}
				}
		}
	}
}
	translate([-(trayWidth-(cornerRadius*2))/2, -pad ,0]){
			cube(size = [trayWidth-(cornerRadius*2),trayDepth/2+pad, bottomThickness], center = false);
	}
}
}

module roundInner(){
	if(trayStyle == 0){
		difference() {
			translate([-(trayWidth-(cornerRadius*2))/2, trayDepth/2-wallThickness-smoothRadius+pad ,bottomThickness-pad]){
				cube(size = [trayWidth-(cornerRadius*2), smoothRadius+pad, smoothRadius+pad], center = false);
			}

			translate([-(trayWidth-(cornerRadius*2))/2-(pad/2), trayDepth/2-wallThickness-smoothRadius, smoothRadius+bottomThickness]){
				rotate([0,90,0]){
					cylinder(r = smoothRadius, h = (trayWidth-(cornerRadius*2))+pad, center = false, $fn=smooth);
				}
			}
		}

		difference() {
			translate([trayWidth/2-wallThickness-smoothRadius+pad, -(trayDepth-(cornerRadius*2))/2, bottomThickness-pad]){
				cube(size = [smoothRadius+pad, trayDepth-(cornerRadius*2), smoothRadius+pad], center = false);
			}

			translate([trayWidth/2-wallThickness-smoothRadius, ((trayDepth-(cornerRadius*2))+pad)/2, smoothRadius+bottomThickness]){
				rotate([90,0,0]){
					cylinder(r = smoothRadius, h = (trayDepth-(cornerRadius*2))+pad, center = false, $fn=smooth);
				}
			}
		}
	}
}

function getWidth() = max(trayWidth, cornerRadius*2);
function getDepth() = max(trayDepth, cornerRadius*2);
```


[User]
Hey, I'm looking to get some help designing a set of parametric tokens for tabletop gaming. I've got a bit of an idea of what I want, but I'm not super experienced with OpenSCAD so I could use some assistance.

Essentially, I want to create a disc-shaped token that can hold magnets, and I'd like to be able to customize the dimensions, the text on the sides and faces, and a few other features. It should also include some "snap fit" capabilities. Here's a breakdown of what I'm thinking:

**Overall Shape & Size:**

*   The main shape is a cylinder (a disc).
*   I'd like to be able to set a diameter, and I'd also like a few preset options like 1-inch (25.4mm), 1.5-inch (38.1mm), 2-inch (50.8mm), and maybe even a Reaper Mini base (30mm). I should also be able to put in a completely custom diameter if I need to.
*   The height of the disc should also be adjustable, let's say in mm, and default to about 5mm.
*   I'd like to have a small beveled edge around the top and bottom edges of the disc, also configurable in mm, say about 0.5mm as a default.

**Text Customization:**

*   I need to be able to add text to the edge of the disc (the cylinder side).
*   I'd also like to add text to the top and bottom faces of the disc.
*   It would be great if I had an option to "double" the text on both the edge and the top/bottom faces, which is to say: render the text 180 degrees apart, so I have text all the way around the edge or two instances of face text rendered 180 degrees apart, which could be very useful for a status text, for example, that's meant to be visible from multiple angles.

**Magnet Holes & Snap Fit:**

*   I want to include holes for disc magnets on both the top and bottom. These should be configurable as to whether they are present or not.
*   The diameter and depth of these holes need to be adjustable, again, in mm. I'm thinking a default of 3.3mm diameter for the hole, and 1.6mm depth, and a depth of 1.6mm.
*   I want a "snap fit" for the magnets which is basically a small bevelled edge at the top of the magnet chamber. This allows the magnets to kind of "click" into place instead of needing glue.

**OpenSCAD:**

*   I'm hoping you can write OpenSCAD files for all of this.
*   I'd like the design to be parametric, so I can easily change all these values using variables at the top of the file.
*   I would like a relatively high `$fn`, like maybe 80 for a nice smooth look.
*  I'm intending for use with standard FDM printers.

I'm thinking the design might need to use the `write` library and I would rather not have to create that myself.

Do you think you can help me create something like this? Let me know if you need any clarification or more details.

[Assistant]
MagneticStatusToken.scad:
```
use <write/Write.scad>
/* [Disc] */
Diameter=25.4;//[25.4:1 Inch, 38.1:1.5 Inch, 50.8:2 Inch,30:Reaper Mini Base,0:Custom]
// in mm
Height=5;
//in mm
EdgeBevel=0.5;
//Text for the edge of the token
EdgeText="";
//Text for the top face of the token
TopText="";
//Text for the bottom face of the token
BottomText="";
//Inset the Edge Text twice, rotated 180 degrees to be on both sides of the disc. Most useful with short status texts.
DoubleEdgeText=1;//[1:Yes,0:No]
//Also add the Top and/or Bottom Text twice, rotated 180 degrees. Less useful in my opinion but easy to include. Again, best with short status text.
DoubleFaceText=1;//[1:Yes,0:No]
//Need something bigger or smaller, set the Diameter to Custom and fill in your diameter in mm here.
CustomDiameter=25;

/* [Magnets] */

//in mm, default creates a flush hole for a 1/16 inch disc magnet on Makerbot Rep2
MagnetDepth=1.6;
//in mm, default creates a tight fit for a 1/8 inch disc magnet on Makerbot Rep2
MagnetDiameter=3.3;
//Should there be a hole for a magnet in the top?
TopHole=1;//[1:Yes,0:No]
//Should there be a hole for a magnet in the bottom?
BottomHole=1;//[1:Yes,o:No]
// Create a small extrusion on the inside edge of the magnet chamber to allow them to just "snap" in, instead of requiring glue.
SnapFit=1;//[1:Yes,0:No]
// Adjust upward for finer quality.
$fn=80;

module doToken(){
/* [Hidden] */
TokenDiameter=Diameter==0?abs(CustomDiameter):Diameter;
TokenHeight=abs(Height);
LipHeight=abs(EdgeBevel);
MagnetSnapBevel=SnapFit?0.4:0; // Create a slight bevelled edge on the top of the top magnet chamber so magnets just "click" in, this corresponds to the "Squish" of the first layers holding in the bottom magnet.
BottomMagnetDiameter=MagnetDiameter;

translate([0,0,TokenHeight/2])
difference(){
 union(){
  translate([0,0,TokenHeight/2-LipHeight]) cylinder(r1=TokenDiameter/2, r2=TokenDiameter/2-LipHeight, h=LipHeight);
  cylinder(r=TokenDiameter/2,h=TokenHeight-2*LipHeight,center=true);
  translate([0,0,-TokenHeight/2]) cylinder(r2=TokenDiameter/2, r1=TokenDiameter/2-LipHeight, h=LipHeight);
 }

 // Add text, if any has been defined
 if (EdgeText != ""){
  writecylinder(text=EdgeText,height=TokenHeight-2*LipHeight,h=TokenHeight-2*LipHeight, radius=TokenDiameter/2);
  if (DoubleEdgeText) rotate([0,0,180]) writecylinder(text=EdgeText,height=TokenHeight-2*LipHeight,h=TokenHeight-2*LipHeight, radius=TokenDiameter/2);
 }

 if (TopText != ""){
   writecylinder(text=TopText, where=[0,0,0], radius=TokenDiameter/2, height=TokenHeight/2, face="top");
   if (DoubleFaceText) rotate([0,0,180]) writecylinder(text=TopText, where=[0,0,0], radius=TokenDiameter/2, height=TokenHeight/2, face="top");
 }

 if (BottomText != ""){
  rotate([0,180,0]) writecylinder(text=BottomText,where=[0,0,0], radius=TokenDiameter/2, height=TokenHeight/2, face="top");
  if (DoubleFaceText) rotate([0,180,180]) writecylinder(text=BottomText,where=[0,0,0], radius=TokenDiameter/2, height=TokenHeight/2, face="top");
 }

 // Add holes for magnets to be installed after printing
 if (TopHole){
  //Top hole can have a bevelled top edge to allow for just snapping a magnet in.
  translate([0,0,TokenHeight/2-MagnetDepth]) cylinder(r=MagnetDiameter/2,h=MagnetDepth-MagnetSnapBevel+0.01);
  translate([0,0,TokenHeight/2-MagnetSnapBevel]) cylinder(r1=MagnetDiameter/2, r2=MagnetDiameter/2-MagnetSnapBevel);
 }
 //The bottom magnet needs to be just a tad higher to stay flush with the bottom.
 // Also, there may not be room for it, in which case we're going to leave it out
 if (BottomHole) {
   translate([0,0,-TokenHeight/2+MagnetSnapBevel/2]) cylinder(r=BottomMagnetDiameter/2,h=MagnetDepth-MagnetSnapBevel/2+0.2);
   #translate([0,0,-TokenHeight/2]) cylinder(r1=BottomMagnetDiameter/2-MagnetSnapBevel/2, r2=BottomMagnetDiameter/2,h=MagnetSnapBevel/2+0.01);
  }
}
}

doToken();

```


[User]
Hi! I'm looking to create a more flexible design for a plano-convex lens in OpenSCAD. I've seen some examples that use basic sphere and cylinder intersections, but I need more control.

Specifically, I want to be able to:

1.  **Adjust the curvature:** Instead of just using a focal length, I'd like to specify the radius of the spherical surface directly. This would give more fine-tuned control, and would also be more intuitive for me when calculating the actual lens properties.

2.  **Handle different lens shapes:** Besides the standard plano-convex, I need the ability to make:
    *   Bi-convex lenses (two convex spherical surfaces)
    *   Plano-concave lenses (a flat side and a concave spherical surface)
    *   Bi-concave lenses (two concave spherical surfaces)
    *   Meniscus lenses (a combination of a concave and convex spherical surface).

3.  **Specify material refractive index:** I want to incorporate the refractive index of the lens material to calculate the focal length and other optical properties, though I don't need the focal length to _define_ the shape. If the refractive index is not used to define the lens shape, that is fine, I just want it included for calculation and perhaps even displayed as an output.

4.  **Define lens diameter and central thickness:**  I want to be able to set the overall diameter and the central thickness of the lens, rather than the "thickness addend" of the included example. Central thickness should be the thickness at the optical axis. I guess I can always calculate it later, but it would help to have this parameter directly.

5. **Handle arbitrary diameters and central thickness for the second lens element:** For the bi-convex, bi-concave, and meniscus lens types, I need to be able to define the diameter and central thickness of both lens elements independently.

6.  **Output calculated optical properties:** Along with the lens, I'd really like the output to calculate and display:
    *   Focal length (using the lens maker's formula).
    *   The surface radius of both lens elements
    *   The center of curvature for each of the surfaces

7.  **Use a library if needed,**  I'm fine with including a library as long as the final result is customizable for the parameters I've described. I'm also ok with having multiple .scad files, if that helps keep the code modular and easy to understand. I'm thinking this might benefit from using BOSL2.

I've included an existing .scad file, just so that you can get a general idea of the starting point, but please know I do not want to modify it or build upon it directly, and I would prefer the file structure to be slightly different.

[Assistant]
Lens3.scad:
```
/* [Lens Parameters] */
lensDiameter=100;
//in mm
focalLength=200;
//in mm
thicknessAddend = 5;
//in mm
// Adjust upward for finer quality.
$fn=80;

/* [Hidden] */

lensRadius = lensDiameter/2;
sphereRadius = focalLength/2;
lensBottom = sqrt((sphereRadius*sphereRadius) - (lensRadius*lensRadius))-thicknessAddend;

translate([0,0,-lensBottom])
intersection(){
//sphere(5);
sphere(r=sphereRadius);
translate([0,0,lensBottom]) cylinder(h = focalLength, r1 = lensRadius, r2 = lensRadius);
}

```


[User]
Hey, I'm looking to have a custom ball-in-cage type design made in OpenSCAD, and I have some specific requirements based on a design I found, but I want it to be fully parametric.

Basically, it's a cage made of four columns, twisted in the middle, with some number of balls inside. The twist should be adjustable, along with the number of balls, their diameter, and the size of the top and bottom sections of the cage.

Here's a breakdown of what I'm thinking:

*   **Balls:** The user should be able to specify the diameter of the balls and the number of balls in the cage. These balls should be stacked directly on top of each other, touching or nearly touching. It's really important that the first ball starts at the bottom of the cage, not floating in mid-air like some other versions of this design.
*   **Cage Columns:** There should be four vertical columns that form the sides of the cage. The width of these columns should be a function of the ball diameter. These columns should be arranged in a square pattern at the corners of the cage.
*   **Twist:** The middle section of the cage should be twisted along its vertical axis. The amount of twist (in degrees) and the direction of the twist should be customizable. I need to be able to go either left or right-handed.
*   **Top and Bottom:** The top and bottom of the cage should be square platforms that are larger than the column spacing. The sizes of these squares should also be adjustable and measured as a multiple of the width of a single cage column.
*   **Resolution:** I would like to be able to adjust the resolution or smoothness of the curves. This should be settable so I can produce good quality prints. I think it would be nice if this value was directly used in the `linear_extrude` `slices` parameter.
*   **Clearance:** The balls need a little bit of clearance between themselves and the vertical cage columns so they can be contained within the cage. This clearance should be a function of the ball diameter, likely a percentage.

I think that covers it. I would greatly appreciate it if the file(s) you generate were well commented and well structured. I don't need the design to look exactly like the original one, but it should have all of the same functionality and user options. I'm comfortable using the standard OpenSCAD libraries, but I'm not really looking to use any of the extra libraries.

[Assistant]
custom_ball_cage.scad:
```
//
//	Customized Ball(s) in a Cage with a Twist
//		Steve Medwin
//		May 31, 2014
//
//  RPN:January 23, 2015: Corrected ball placement
//			for better vertical printing
//			(Most printers can't start an object
//			 in mid air.)
$fn=100*1;	// set overall resolution
//
//	Customizing

//How big are the balls (in mm)?
Diameter=20;	//	[10,15,20,25,30]
//How many balls?
Balls=2;	//	[1,2,3,4,5]
//How many degrees of twist in center section?
Twist=90;	//	[0,90,180,270,360]
//Which twist direction?
Direction=-1;	//[-1:Right Hand,1:Left Hand]
//Size of top (multiple of column width)
Top=4;		//	[1:20]
//Size of botton (multiple of column width)
Bottom=4;	//	[1:20]
//Detail in print
Resolution=0.20;	//[0.30:Low,0.20:Standard,0.10:High]

Radius=Diameter/2;
Clearance=Radius*0.05;	// between ball and columns
Width=Radius*0.4;	// column side scales with ball size
Height=Diameter*(Balls+2);	// height of center section

Side=2*cos(45)*(Radius+Clearance+Width/sin(45));
Column=Side/2-Width/2;	//position of column center relative to 0,0
Gap=(Height-(Diameter*Balls+Clearance*(Balls-1)))/2; // center balls

// Define 2D columns
module columns(){
	translate([ Column, Column,0]) square([Width,Width],center = true);
	translate([ Column,-Column,0]) square([Width,Width],center = true);
	translate([-Column, Column,0]) square([Width,Width],center = true);
	translate([-Column,-Column,0]) square([Width,Width],center = true);
	}

//	Make 3D columns
linear_extrude(height = Height, center = false, convexity = 10, twist = Direction*Twist, slices=Height/Resolution)
	columns();

//	Add balls
for (i=[1:Balls])
	{
//		RPN:January 23, 2015:
//		translate([0,0,Gap+Radius+(i-1)*(Diameter+Clearance)]) sphere(r=Radius);
//		For vertical printing, don't center the
//		balls, and don't leave a gap between the
//		balls.
	    translate([0,0,Radius+(i-1)*Diameter]) sphere(r=Radius);
	}

//	Add bottom
rotate(a=[0,180,0])
linear_extrude(height = Width*Bottom, center = false, convexity = 10, twist = Direction*Twist*Width*Bottom/Height, slices=(Width*Bottom)/Resolution)
	square([Side,Side],center=true);

//	Add top
translate([0,0,Height])
linear_extrude(height = Width*Top, center = false, convexity = 10, twist = Direction*Twist*Width*Top/Height, slices=(Width*Top)/Resolution)
	square([Side,Side],center=true);

```