[User]
I'd like to design a construction toy rod, similar to those used in building kits with connectors. I have some specific parameters in mind, and I want it to be fully parametric so I can easily change the dimensions later.

Here's what I need:

1.  **Overall Shape:** The rod will be a cylinder with a peg on each end. The pegs should be slightly narrower than the main rod body. There should also be grooves cut into the main rod portion to allow for gripping.
2.  **Parameters:** I want to be able to control:
    *   The overall `length` of the rod.
    *   The `rod_rad` (radius of the main rod).
    *   The `peg_len` (length of the peg portion at each end).
    *   The `non_groove_len` (the length of the main cylinder between the pegs and the beginning of the grooves).
    *   The `grooves` (number of grooves around the rod's circumference).
    *   An option to `round` the rod with a specified `roundness` value using minkowski operations. The default will be no rounding.
    *  I need the rod to be easily colored as well, so include the option to change `R`, `G`, `B` and `A`.

3.  **Grooves:** The grooves should be created by a series of cuts along the rod using a rotated polygon, like a series of triangular cuts. I need these grooves to be evenly spaced.
4. **Build Plate:** I would like to be able to create a build plate that corresponds to different common 3D printers. I need a selector for either a Replicator 2, a Replicator, a Thingomatic, or a manual input with x and y dimensions that I can input. This is just a visual aid, it's not part of the actual rod.

For a library, I will be using the `BOSL2` library.

Please generate the OpenSCAD files based on these requirements.

[Assistant]
construction_toy_rod.scad:
```
//CUSTOMIZER VARIABLES

//The length of the rod
length = 40;

//The radius of the rod
rod_rad = 1;

//The length of the peg portion
peg_len = 3;

//The length of the rod portion that isn't grooved
non_groove_len = 3;

//Round it?
rounded = 0;//[0, 1]

//The amount of roundness (applied as a sphere's radius applied with minkowski)
roundness = 0.5;

//The number of grooves
grooves = 4;

//Red
R = 140;//[0:255]
//Green
G = 60;//[0:255]
//Blue
B = 40;//[0:255]
//Alpha
A = 255;//[0:255]

//	This section is creates the build plates for scale
//	for display only, doesn't contribute to final object
build_plate_selector = 0; //[0:Replicator 2,1: Replicator,2:Thingomatic,3:Manual]

//	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]

//CUSTOMIZER VARIABLES END

$fn = 50;
rod_color = [R/255.0, G/255.0, B/255.0, A/255.0];

//The diameter of the rod
module rod(length, peg_len = 3, non_groove_len = 3, roundness = 0.5, grooves = 6, rod_rad = 1){
	union(){
		cylinder(h = peg_len, r1 = rod_rad, r2 = rod_rad*0.75);
		translate([0,0,peg_len]){
			difference(){
				cylinder(h = length - 2*peg_len, r = rod_rad);
				translate([0,0,non_groove_len]){
					for (i = [0:grooves-1]){
						rotate([0,0,i*360.0/grooves]){
							translate([0.3,0.3*sin(360.0/grooves),0]){
								linear_extrude(length - 2*peg_len - 2*non_groove_len){
									polygon([[rod_rad/4,0],
												[rod_rad,0],
												[cos(360.0/grooves)*rod_rad,sin(360.0/grooves)*rod_rad],
												[cos(360.0/grooves)*rod_rad/4,sin(360.0/grooves)*rod_rad/4]]);
								}
							}
						}
					}
				}
			}
		}
		translate([0,0,length - peg_len]){
			cylinder(h = peg_len, r1 = rod_rad*0.75, r2 = rod_rad);
		}
	}
}

//	This is just a Build Plate for scale
build_plate(build_plate_selector,build_plate_manual_x,build_plate_manual_y);

color(rod_color){
	if (rounded==1){
		minkowski(){
			sphere(roundness);
			rod(length, peg_len, non_groove_len, roundness, grooves, rod_rad);
		}
	} else{
		rod(length, peg_len, non_groove_len, roundness, grooves, rod_rad);
	}
}
```


[User]
I need a custom clip, kind of like a shirt clip for earbuds or a lavalier mic, but I want it to be highly configurable. I'd like to be able to control things like the overall length and height of the clip, how far apart the grippers are, and the thickness of the walls. I also need a way to add a cord gripper, the size of which I can adjust, and I want to control the location and angle of the cut in the grip portion. Ideally, I'd like an option to make the cord gripper fully closed or open.

Essentially, I want the main body of the clip to be a rectangular prism with two parallel gripping surfaces inside. I want to control how far apart those surfaces are, as well as the length of the prism itself. Also, the wall thickness should be adjustable. I also want to add cylindrical "knobbles" on the gripping surfaces, the quantity of which I should be able to specify. I'd like the option to add corresponding knobbles on the opposite surface.

For the cord grip, if its diameter is greater than zero it should be a cylinder attached to the main body at a specifiable point. I need to be able to set the diameter of the cord that will fit within the cylinder. The cord grip cylinder needs to have a hollow center. The cord grip also should have an optional 'cut' for easier insertion of a cord - the angle of the cut should be adjustable, and I should be able to toggle it between a closed or open cord grip. Finally, I need to be able to specify a small chamfer or bevel at the bottom of the cord grip.

I'd prefer it if you could give me this in a single OpenSCAD file, with all parameters at the top of the file for easy adjustment. It would be great if it was easily customisable even for someone with little experience with OpenSCAD. Also, I think using the default $fa and $fs values would be just fine, so I don't think I need to adjust those.

[Assistant]
CordGripV2.scad:
```
// Diameter of the cord to be wrangled, set to zero to remove the cord wrangler entirely (mm)
CordDiameter=2.75;
// Adjust the cut angle of the cord gripping portion, 30 degrees seems to be good but go nuts if you like
CordGripAngle=40; //[0:90]
// How far along on the gripper should the cord wrangler be placed?
CordGripLoc=80; //[0:100]
// Maybe you're using this as something other than just a cord gripper (as I sometimes do)
CordGripStyle=1; //[0:Closed,1:Open]

//How long should the fabric (or other substance) gripper be? (mm)
GripperLength=20;
//And how tall? (mm)
GripperHeight=10;
//And how far apart (mm)
GripperGap=2.5;

//Interior gripping knobbles, how many?
Knobbles = 2;
//Opposing knobbles on the top?
CounterKnobbles=true;//[true:Yes,false:No]

//And how thick would you like the walls of the gripper to be? (mm)
WallThickness=3;

/* [Hidden] */
CordGripLocation=CordGripLoc/100.0;
$fs=.5;

difference(){
 union(){
  translate([GripperLength,0,0])
   difference(){
    cylinder(r=GripperGap/2+WallThickness, h=GripperHeight);
    translate([-GripperGap-2*WallThickness,-GripperGap/2-WallThickness*1.5,-0.5]) cube([GripperGap+2*WallThickness,GripperGap+3*WallThickness, GripperHeight+1]);
    translate([0,0,-0.5]) cylinder(r=GripperGap/2, h=GripperHeight+1);
   }

  translate([0,GripperGap/2,0]) cube([GripperLength,WallThickness,GripperHeight]);
  translate([0,-GripperGap/2-WallThickness,0]) cube([GripperLength,WallThickness,GripperHeight]);

  translate([0,GripperGap/2+WallThickness/2,0]) cylinder(r=WallThickness/2, h=GripperHeight);
  translate([0,-GripperGap/2-WallThickness/2,0]) cylinder(r=WallThickness/2, h=GripperHeight);

  for ( i = [0:Knobbles-1] ){
   translate([(i+0.5)*GripperLength/Knobbles,-GripperGap/2,0]) cylinder(r=WallThickness/2, h=GripperHeight);
  }
  if (CounterKnobbles)
   for ( i = [1:Knobbles-1] ){
    translate([(i)*GripperLength/Knobbles,GripperGap/2,0]) cylinder(r=WallThickness/2, h=GripperHeight);
   }

  if (CordDiameter > 0) {
   translate([GripperLength*CordGripLocation,GripperGap/2+(WallThickness+CordDiameter)/2+WallThickness/2,0]) {
   difference(){
    cylinder(r=CordDiameter/2+WallThickness, h=GripperHeight);
    translate([0,0,-0.5]) cylinder(r=CordDiameter/2, h=GripperHeight+1);
    if (CordGripStyle == 1){
     rotate([0,0,-1*abs(CordGripAngle)]) translate([0,0,-0.5]) cube([CordDiameter*2,CordDiameter*2,GripperHeight+1]);
     rotate([0,0,-90]) translate([0,0,-0.5]) cube([CordDiameter*2,CordDiameter*2,GripperHeight+1]);
    }
   }
   if (CordGripStyle == 1) rotate([0,0,-1*abs(CordGripAngle)]) translate([0,(WallThickness+CordDiameter)/2,0]) cylinder(r=WallThickness/2, h=GripperHeight);
  }
 }
}
//Put a bevel on the bottom edge of the cord grip because I don't like the "bottom layer squish" cutting into my cables.
if (CordDiameter > 0){
  translate([GripperLength*CordGripLocation,GripperGap/2+(WallThickness+CordDiameter)/2+WallThickness/2,0]) {
  translate([0,0,-CordDiameter*0.4]) cylinder(r1=CordDiameter,r2=0,h=CordDiameter);
 }
}
}

```


[User]
I'm looking to design a simple wooden bench with a kind of rustic, rope-seam aesthetic. I've got some basic ideas on dimensions, and I'd like the design to be parametric so I can easily adjust things later. Here’s a rough outline of what I'm envisioning:

**Overall Structure:**

*   The bench will consist of a flat seating surface made from a single wooden board (or multiple, but ideally a single board for now).
*   It'll have four legs, angled outwards for stability. I'm picturing two legs on each side, an outer and an inner leg each.
*   The legs will be attached to the seating board using what looks like a rope seam, which needs to wrap around the edges of both the legs and the seating plank. I'm not thinking to have it cut out or integrated in any way.

**Parameters:**

*   **`bench_length`**: The overall length of the bench.
*   **`seating_height`**: The height from the ground to the top of the seating surface.
*   **`seating_depth`**: The width of the seating board.
*   **`board_thickness`**: The thickness of the wooden boards used for the seat and legs.
*   **`feet_top_spacing_ratio`**: A ratio used to determine the spacing of the feet at the top, relative to the seating depth. This will control how far apart the tops of the outer feet are from each other, and also the distance between the tops of the inner feet.
*   **`board_surfacic_price`**: The price per square meter of the wood, so I can get a cost estimate.
*   **`volumetric_mass_density`**: The density of the wood, to estimate weight.

**Specifics:**

*   The feet will be angled outwards. The degree of this angle will be determined based on the `feet_top_spacing_ratio` and the height of the feet.
*   The inner legs will be inset a bit. This should be parametrically related to the top spacing of the outer legs.
*   The rope seam part is the hardest bit. I don't need the rope itself modeled, but I need a way to visualize the area where it would be, wrapping around both the seating surface and each leg. It should also be visible in all of the render view options.

**Output:**

*   I'd like it to calculate and `echo` the total surface area of the wood used, its total price, and its estimated weight.
*   I'd like a render that properly shows off the wrapping and spacing.

I think that's everything. Can you give me a parametric OpenSCAD file that implements all this, using comments to explain the design. Let me know if you need more info. I am fine with using the `BOSL2` library.

[Assistant]
parametric_bench.scad:
```
/* Bench dimensions */
// (cm)
bench_length=242.0; // [0:1000]

// (cm)
seating_height=43; // [10:80]

// (cm)
seating_depth=35; // [10:80]

/* Wood */
// http://www.jumbo.ch/fileadmin/user_upload/bilder/services/jumbo_service_total/0714_Decoupe_planches_f.pdf
// (mm)
board_thickness=4; // [1:20]
boards_thickness=board_thickness/10;
feet_height=seating_height-boards_thickness;
// (Surfacic price of board used to build the bench. CHF per square meter. Total price displayed in terminal when file is opened in OpenScad)
board_surfacic_price=19.50; // [0:100]
// kg.m^.3 Total bench weight displayed in terminal when file is opened in OpenScad)
volumetric_mass_density=450; // kg.m^.3

// Feet dimensions

//Top
/* [Hidden] */
feet_top_spacing_ratio=.75; // Top-spacing of feet relative to seating_depth
feet_top_spacing=seating_depth*feet_top_spacing_ratio;
inside_feet_spacing=feet_top_spacing/3;

//Bottom
feet_bottom_spacing=seating_depth*(1+(1-feet_top_spacing_ratio));
inside_feet_bottom_spacing=feet_bottom_spacing-1.75*boards_thickness;

//Lenghts
outside_feet_length_x=(feet_bottom_spacing-feet_top_spacing)/2;
inside_feet_length_x=(inside_feet_bottom_spacing-inside_feet_spacing)/2;

outside_feet_length=sqrt(pow(outside_feet_length_x,2)+pow(feet_height,2));
inside_feet_length=sqrt(pow(inside_feet_length_x,2)+pow(feet_height,2));

outside_feet_angle=atan(feet_height/((feet_bottom_spacing-feet_top_spacing)/2));
inside_feet_angle=atan(feet_height/((inside_feet_bottom_spacing-inside_feet_spacing)/2));

//Seating board
color("yellow")
translate([0,0,(seating_height-boards_thickness/2)])
cube([seating_depth,bench_length,boards_thickness],center=true);

//Feet

// Right outside foot
color("green")
translate([(outside_feet_length_x+feet_top_spacing)/2,0,feet_height/2])
rotate([0,outside_feet_angle,0])
cube([outside_feet_length,bench_length,boards_thickness],center=true);

// Left outside foot
color("red")
translate([-(outside_feet_length_x+feet_top_spacing)/2,0,feet_height/2])
rotate([0,-outside_feet_angle,0])
cube([outside_feet_length,bench_length,boards_thickness],center=true);

// Right inside foot
color("blue")
translate([-(inside_feet_length_x+inside_feet_spacing)/2,0,feet_height/2])
rotate([0,-inside_feet_angle,0])
cube([inside_feet_length,bench_length,boards_thickness],center=true);

// Left inside foot
color("purple")
translate([(inside_feet_length_x+inside_feet_spacing)/2,0,feet_height/2])
rotate([0,inside_feet_angle,0])
cube([inside_feet_length,bench_length,boards_thickness],center=true);

// Cutting
board_width = seating_depth + 2*(outside_feet_length+inside_feet_length);

//translate([feet_bottom_spacing+board_width/2,0,0])
//square([board_width,bench_length],center=true);

//Surface, weight & price
surface = bench_length * board_width / 10000;
price = surface * board_surfacic_price;
volume = surface * boards_thickness /100;
weight = volume * volumetric_mass_density;

echo(Section_m=board_width/100);
echo(Surface_m2=surface);
echo(Price_fr=price);
echo(Weight_kg=weight);
```


[User]
Hey, I'm looking to create a customizable bookshelf keychain, similar to the one described here: [paste description from prompt]. It needs to be parametric, so I can change the text on the "books" and choose whether the letters are embossed or debossed. I would also like an option to include or exclude a keychain loop.

The basic design is a series of stylized "book" shapes arranged side by side, with each book having a single letter. I'd like to use a font similar to "orbitron" for the text. The books themselves are roughly rectangular with rounded top edges, as if they're stylized cylinders joined to rectangular blocks.

Specifically, I'd like to be able to:

1.  Input any text string.
2.  Choose between embossed (letters stick out) or debossed (letters are recessed) text.
3.  Include or exclude a circular keychain loop at the top of the design.
4.  Adjust the spacing between the "books".
5.  Adjust the overall thickness of the books and the letter height.

Could you create an OpenSCAD file or files for this? It looks like there's a `write/Write.scad` file being used, so maybe I'd need that too, or an alternative that allows for similar font selection and text manipulation. I'm hoping you can generate all code required and not just a partial solution. Please specify what libraries you use, and what external files are required, if any. Also, I need the code to be efficient, and well organized.

[Assistant]
BookShelfKeyChain_TNH.scad:
```
// Book Shelf Keychain Customizer v1.1
// by TheNewHobbyist 2015 (http://thenewhobbyist.com)
// http://www.thingiverse.com/thing:676537
//
// "Book Shelf Keychain Customizer" is licensed under a
// Creative Commons Attribution-NonCommercial 3.0 Unported License.
//
// Description:
// I built this Bookshelf keychain for a Librarian friend of mine.
// She was looking for something to use as a demo object for her
// library's new 3D printer.
//
// The keychain can be customized with any text you'd like, as well as
// having the text embossed or debossed. It's a pretty quick print and
// is great for creating customized objects for groups of any size.
//
// Here's a video showing the build. From drawing, to SketchUp
// prototype, to finished customizable OpenSCAD design:
// https://www.youtube.com/watch?v=D8lfMnmhgjc&feature=youtu.be
//
// Usage:
// Click "Open in Customizer" or edit the .scad file
// Enter some text for your keychain
// Pick a text style
// Print!
//

/*

Add notes, usage

TNH embed

*/

/* [Make It Your Own] */
text = "TNH";
text_style = 1; // [0:Deboss (Letters Poke In), 1:Emboss (Letters Stick Out)]

keychain_loop = "Yes"; // [Yes, No]

/////////////////////////
// Beat it Customizer //
///////////////////////

/* [Hidden] */

// preview[view:south, tilt:top diagonal]

use <write/Write.scad>
use <utils/build_plate.scad>

$fn=24;

function substring(string, start, length) = length > 0 ? str(string[start], substring(string, start + 1, length - 1)) : "";

module bookShape(bookheight) {
	cube([3, 5, bookheight], center=true);
	translate([1.5,-1,0]) cube([4, 3, bookheight], center=true);
	translate([-1.5,-1,0]) cube([4, 3, bookheight], center=true);
	translate([1.5,.5,0]) cylinder(r=2, h=bookheight, center=true);
	translate([-1.5,.5,0]) cylinder(r=2, h=bookheight, center=true);
}

module bookSolid() {
	difference() {
		union() {
			translate([0,.5,5]) bookShape(.5);
			translate([0,.5,4]) bookShape(.5);
			translate([0,.5,-5]) bookShape(.5);
			translate([0,.5,-4]) bookShape(.5);
			bookShape(13);
		}
		translate([0,-.5,7]) scale(.9) bookShape(2);
	}
}

module BookLetter(letter) {
	rotate([0,0,180]) {
	if (text_style == 0) {
		difference() {
			bookSolid();
			translate([-.25,3.5,0]) rotate([90,0,180]) write(letter,h=5,t=3,font="write/orbitron.dxf", space=1.1, center=true);
		}
	}
	else{
		union(){
			bookSolid();
			translate([-.25,1.5,0]) rotate([90,0,180]) write(letter,h=5,t=3,font="write/orbitron.dxf", space=1.1, center=true);
			}
		}
	}
}

if (keychain_loop == "Yes") {
	translate([0,0,6.5]) {
		union() {
			difference() {
				translate([-3,.5,0]) rotate([90,0,0]) cylinder(r=7, h=4, center=true, $fn=48);
				translate([-3,.5,0]) rotate([90,0,0]) cylinder(r=4, h=10, center=true, $fn=48);
				translate([0,0,11.5]) cube([100, 10, 10], center=true);
				translate([0,0,-11.5]) cube([100, 10, 10], center=true);
				translate([2,0,0]) cube([10, 10, 20], center=true);
				}
			for ( i = [0 : len(text)-1] )	{
				translate([7*i,0,0]) BookLetter((substring(text, i,1)));
			}
		}
	}
}

if (keychain_loop == "No") {
	translate([0,0,6.5]) {
		union() {
			for ( i = [0 : len(text)-1] )	{
				translate([7*i,0,0]) BookLetter((substring(text, i,1)));
			}
		}
	}
}
```


[User] I want to create a 3D printable sculpture where the word "LOVE" is visible from the front, and the word "HATE" is visible from the side. I'd like to be able to customize the words, the font, and how thick the letters are. Also, I need to be able to change the size. Can you help me generate some OpenSCAD code for this?

[Assistant]
TwoWordSculpture.scad:
```
// The word visible when looking at the object from the front
first_word = "LOVE";
// The word visible when looking at the object from the side
second_word = "HATE";

// The font to use (use standard font names)
font = "Helvetica";

// How much to thicken the font
boldness = 0.5; // [0:2]

module Word(word) {
    resize([size,0], auto=1)
      linear_extrude(height = size, convexity = 10, center=true)
        offset(boldness)
          text(word, size=10, halign="center", valign="center", font = font);
}

$fn=64;
size = max(len(first_word), len(second_word)) * 10;

intersection() {
    rotate([90, 0, 90]) Word(first_word);
    rotate([90, 0, 0]) Word(second_word);
}

```


[User]
Hey, I'm looking to create a customizable tray design using OpenSCAD. I want to be able to adjust the tray's overall length and width, the height and thickness of the walls, the thickness of the base, and have an option for a grid-like base structure using strips and gaps. Also, the design should include feet on the bottom, with the number and dimensions of the feet being adjustable as well.

Specifically, the tray should have:
*   Adjustable overall **length** and **width**.
*   Adjustable **wall height** and **wall thickness**.
*   Adjustable **base thickness**.
*   The base should have a patterned grid using strips, with adjustable **strip width** and **gap width**. The strips should run diagonally.
*   Feet on the bottom, with adjustable **foot height**, **foot width**, and the number of feet in both the **x direction** and **y direction**.

I'd really appreciate it if you could generate the OpenSCAD code for this, making it fully parametric. I'd prefer if it doesn't use any external libraries if that is possible. Thanks!

[Assistant]
tray_v2.scad:
```

//Length of the tray
length=250; //[10:300]

//Width of the tray
width=150; //[10:300]

//Height of the wall
wall_height=10; //[2:20]

//Thickness of the wall
wall_thick=2;//[1:5]

//Thickness of the base
base_thick=2;//[1:10]

//Width of the strips
strip_width=3; //[1:10]

//Width of the gaps
gap_width=10;//[1:10]

//Height of foot
foot_height=5; //[2:10]

//Width of foot
foot_width=10; //[2:20]

//Number of feet in x direction
x_feet_count=5; //[2:20]

//Number of feet in y direction
y_feet_count=3; //[2:20]

union(){
	feet(length,width,-foot_height-base_thick/2, foot_width,foot_height,x_feet_count,y_feet_count);

	//wall
	translate([0,width/2,-base_thick/2])
		rotate(a=[90,-90,90]) linear_extrude(height = length, center = true)
			polygon(points=[[0,0],[wall_height,0],[wall_height,wall_thick],[0,wall_height+wall_thick]], paths=[[0,1,2,3]]);
	translate([0,-width/2,-base_thick/2])
		rotate(a=[90,-90,-90]) linear_extrude(height = length, center = true)
			polygon(points=[[0,0],[wall_height,0],[wall_height,wall_thick],[0,wall_height+wall_thick]], paths=[[0,1,2,3]]);
	translate([-length/2,0,-base_thick/2])
		rotate(a=[90,-90,180]) linear_extrude(height = width, center = true)
			polygon(points=[[0,0],[wall_height,0],[wall_height,wall_thick],[0,wall_height+wall_thick]], paths=[[0,1,2,3]]);
	translate([length/2,0,-base_thick/2])
		rotate(a=[-90,-90,180]) linear_extrude(height = width, center = true)
			polygon(points=[[0,0],[wall_height,0],[wall_height,wall_thick],[0,wall_height+wall_thick]], paths=[[0,1,2,3]]);

	//base
	intersection(){
		cube([length,width,base_thick],center=true);
		for(i=[-length/2-width/2:1.414*gap_width+1.414*strip_width:length/2+width/2]){
			translate([i,0,0]) rotate([0,0,-45]) cube([strip_width,length,base_thick], center=true);
			translate([i,0,0]) rotate([0,0,45]) cube([strip_width,length,base_thick], center=true);
		}
	}

}

module feet(l,w,z,fw,fh,xfc,yfc){
	x_gap = (l-fw)/(xfc-1)-0.01;
	y_gap = (w-fw)/(yfc-1)-0.01;
	for ( i = [-w/2+fw/2 : y_gap : w/2-fw/2] ){
		for ( j = [-l/2+fw/2 : x_gap : l/2-fw/2] ){
			foot(j,i,z,fw,fh);
		}
	}
}

module foot(x,y,z,w,h)
{
	polyhedron(
		points=[[x,y,z],
				[x+w/2,y+w/2,z+h],
				[x+w/2,y-w/2,z+h],
				[x-w/2,y-w/2,z+h],
				[x-w/2,y+w/2,z+h]],
  		faces=[[0,1,2],[0,2,3],[0,3,4],[0,4,1],[4,3,2,1]]

	 );

}

```


[User]
I'd like to create some heart-shaped buttons with text on them, kind of like the "Words from the Heart" design I saw online. The basic idea is that each button will have a heart shape with some text, and optionally holes for neodymium magnets. I'd like to be able to customize the text, the size of the heart, the font, and the magnet hole sizes.

Here's a more detailed breakdown of what I'm looking for:

**Core Features:**

*   **Heart Shape:**  A standard heart shape, defined by a series of points. It should be possible to scale this heart.
*   **Text:**  The ability to add text to the heart. Each word should get its own heart, with words connected by underscores within the text string. An underscore by itself should also generate an empty heart.
*  **Text Linking:** if the words are long enough I'd like there to be a link between the first and last letter of the word, like a small bridge.
*   **Neodymium Magnet Holes:** I need the option to add two different sizes of holes for neodymium magnets. One larger hole in the center of the heart, and a smaller optional hole towards the end of long words/phrases to better support them.
*   **Multiple Hearts:** If there are multiple words, these should stack underneath each other with a specified amount of vertical space between them.

**Customization Parameters:**

*   **Text:** The actual text string to be displayed.
*   **Neodymium Magnet Hole 1 Diameter and Height:**  The diameter and height of the larger magnet hole. A value of 0 should mean no hole.
*   **Neodymium Magnet Hole 2 Diameter and Height:** The diameter and height of the smaller magnet hole. A value of 0 should mean no hole.
*   **Outline Width:** The width of the heart's outline.
*   **Text Font:** The font to use for the text. Please provide a way to select from existing fonts (like "knewave.dxf", "orbitron.dxf", "Letters.dxf", "BlackRose.dxf"). The user should be able to add more fonts later as well.
*   **Text Height:** The height of the text.
*   **Text Space Factor:** A factor to adjust the spacing between letters, to handle kerning issues of various fonts.
*   **Build Shift:** The vertical spacing between the different heart buttons if multiple exist.
*   **Link Level:** Height of the link between the letters of a word.
*   **Big Heart Level:** Height of the base of the large heart.
*   **Big Heart Outline Level:** Height of the outline of the large heart.
*   **Small Heart Level:** Height of the base of the small heart within the outline.
*    **Small Heart Outline Level:** Height of the outline of the small heart.
*   **Text Level:** Height of the text from the base.
*   **Char Width:**  The width of a character in the selected font. (This one may be calculated based on font and height)

**Libraries:**

I think I will need to use the `Write.scad` library for text rendering.

Could you generate the OpenSCAD code for this, please?

[Assistant]
Words_from_the_Heart_v1_1.scad:
```

// 'Words from the Heart' by wstein
// is licensed under the Attribution - Non-Commercial - Share Alike license.
// Version 1.1 (c) March 2015
// please refer the complete license here: http://creativecommons.org/licenses/by-nc-sa/3.0/legalcode
//
//Version 1.1: OpenSCAD polygon bug workaround

// preview[view:south, tilt:top diagonal]

/* [Text] */
//each word will get a heart. If you want to use a phrase of two or more words concatenate the words with an underscore like in: "I_Love You". For additional empty hearts add a single underscore "_"
text = "I_Love You _";

/* [Neodymium holes] */
// big Neodymium magnet in the center of the heart (value 0 means no hole)
neodym_1_diameter = 8.5;
neodym_1_height = 3.5;

// small Neodymium magnet to support long text (value 0 means no hole)
neodym_2_diameter = 5.5;
neodym_2_height = 2.5;

/* [Appearance] */
// of heart
outline_width = 2;
text_font = "knewave.dxf"; //[orbitron.dxf,Letters.dxf,knewave.dxf,BlackRose.dxf]
text_height = 16;
//corrects the kerning - depends on font
text_space_factor = 0.75;

/* [Output] */
// shift between multiple hearts
build_shift = 40;

// height of link between characters
link_level = 4.0; // transparent

// height of big heart
big_heart_level = 7.0; // white

// height of big heart outline
big_heart_outline_level = 8.0; // red

// height of small heart
small_heart_level = 8.0; // red

// height of small heart outline
small_heart_outline_level = 8.5; // black

// height of words
text_level = 8.5; // black

/* [Hidden] */
char_width = 11 / 16 * text_height * text_space_factor; // this is the formular write.scad internal uses

use <write/Write.scad>

$fn = 50; // only relevant for neodym holes[ 2.45, -148.21, 52.02 ]

//Ok, lets start building by calling process_word()...
process_word(text);

// http://en.wikipedia.org/wiki/File:GJL-fft-herz.svg
function get_heart_x(t) = 12 * sin(t) - 4 * sin(3 * t);
function get_heart_y(t) = 13 * cos(t) - 5 * cos(2 * t) - 2 * cos(3 * t) - cos(4 * t);

function get_link_length(str) = char_width * (len(str) - 0.3);

// Ok, there are some simple string operation missing in OpenSCAD
// This module is called recursivly and splits the text and calls build_heart for each word / phrase
module process_word(text, word="", offset=0, y=0)
{
	if(text[offset] == " ")
	{
		if(len(word) > 0)
		{
			translate([0, y, 0])
			word_from_heart(word);
			process_word(text, "", offset + 1, y - build_shift);
		}
		else
		{
			process_word(text, "", offset + 1, y);
		}
	}
	else if(text[offset] == "_")
	{
		process_word(text, str(word, " "), offset + 1, y);
	}
	else if(offset < len(text))
	process_word(text, str(word, text[offset]), offset + 1, y);
	else if(len(word) > 0)
	translate([0, y, 0])
	word_from_heart(word);
}

// builds a doubled heart
module double_heart()
union()
{
	difference()
	{
		outline_heart(33,33,big_heart_outline_level,big_heart_level);

		translate([10,-12,small_heart_level])
		heart(20,20,small_heart_outline_level-small_heart_level+.1);
	}

	translate([10,-12,0])
	outline_heart(20,20,small_heart_outline_level,small_heart_level);
}

// builds an outlined heart
module outline_heart(height, width, outline_level, depth)
difference()
{
	heart(height, width, outline_level);
	translate([0,0,depth])
	heart(height-2*outline_width, width-2*outline_width, outline_level-depth+.1);
}

// builds a simple heart
module heart(height, width, depth)
resize([height, width,depth])
linear_extrude(h=1,convexity=10)
assign(step=5)
polygon(points=heart_points);
//for(a=[0:step:18])
//{
//    echo(get_heart_x(a)/100,get_heart_y(a),get_heart_x(a+step)/100,get_heart_y(a+step)/100);
//polygon(points=[[0,0],[get_heart_x(a)/100,get_heart_y(a)/100],[get_heart_x(a+step)/100,get_heart_y(a+step)/100]]);
//}
// builds the tagged heart sticker
module word_from_heart(word)
translate([-10,-3.5,0])
difference()
{
	union()
	{
		difference()
		{
			translate([10,3.5,0])
			double_heart();

			write(word, h=text_height, t=text_level+.1, font=text_font, center=false, space=text_space_factor);
		}

		write(word, h=text_height, t=text_level, font=text_font, center=false, space=text_space_factor);

		//link the characters together...
		if(get_link_length(word) > 25)
		hull()
		for(x=[char_width,get_link_length(word)])
		translate([x,5,0])
		cylinder(r=5,r2=3,h=link_level);
	}

	if(neodym_1_diameter > 0)
	translate([15,3.5,-.1])
	cylinder(r=neodym_1_diameter/2,h=neodym_1_height + .1);

	if(neodym_2_diameter > 0 && get_link_length(word) > 45)
	translate([get_link_length(word),5,-.1])
	cylinder(r=neodym_2_diameter/2,h=neodym_2_height + .1);
}

heart_points = [
	[0,5], // degree: 0
	[0.00229361,5.05605], // degree: 3
	[0.0182736,5.22239], // degree: 6
	[0.0612516,5.49364], // degree: 9
	[0.143799,5.86103], // degree: 12
	[0.277401,6.3127], // degree: 15
	[0.472136,6.83406], // degree: 18
	[0.736389,7.40831], // degree: 21
	[1.07661,8.01693], // degree: 24
	[1.49713,8.64031], // degree: 27
	[2,9.25833], // degree: 30
	[2.58492,9.85103], // degree: 33
	[3.2492,10.3992], // degree: 36
	[3.98782,10.8849], // degree: 39
	[4.7935,11.292], // degree: 42
	[5.65685,11.6066], // degree: 45
	[6.5666,11.8175], // degree: 48
	[7.50979,11.9163], // degree: 51
	[8.47214,11.8974], // degree: 54
	[9.43831,11.7585], // degree: 57
	[10.3923,11.5], // degree: 60
	[11.3178,11.1252], // degree: 63
	[12.1986,10.6399], // degree: 66
	[13.0189,10.052], // degree: 69
	[13.7638,9.37132], // degree: 72
	[14.4195,8.60899], // degree: 75
	[14.9738,7.77702], // degree: 78
	[15.4163,6.88789], // degree: 81
	[15.7385,5.9541], // degree: 84
	[15.9343,4.9877], // degree: 87
	[16,4], // degree: 90
	[15.9343,3.00123], // degree: 93
	[15.7385,2.00029], // degree: 96
	[15.4163,1.00464], // degree: 99
	[14.9738,0.0201742], // degree: 102
	[14.4195,-0.948734], // degree: 105
	[13.7638,-1.89919], // degree: 108
	[13.0189,-2.8296], // degree: 111
	[12.1986,-3.73951], // degree: 114
	[11.3178,-4.62931], // degree: 117
	[10.3923,-5.5], // degree: 120
	[9.43831,-6.35287], // degree: 123
	[8.47214,-7.18922], // degree: 126
	[7.50979,-8.01007], // degree: 129
	[6.5666,-8.81594], // degree: 132
	[5.65685,-9.6066], // degree: 135
	[4.7935,-10.3809], // degree: 138
	[3.98782,-11.1369], // degree: 141
	[3.2492,-11.8713], // degree: 144
	[2.58492,-12.5801], // degree: 147
	[2,-13.2583], // degree: 150
	[1.49713,-13.9001], // degree: 153
	[1.07661,-14.4992], // degree: 156
	[0.736389,-15.0488], // degree: 159
	[0.472136,-15.5423], // degree: 162
	[0.277401,-15.9729], // degree: 165
	[0.143799,-16.3347], // degree: 168
	[0.0612516,-16.6222], // degree: 171
	[0.0182736,-16.831], // degree: 174
	[0.00229361,-16.9576], // degree: 177
	[0,-17], // degree: 180
	[-0.00229361,-16.9576], // degree: 183
	[-0.0182736,-16.831], // degree: 186
	[-0.0612516,-16.6222], // degree: 189
	[-0.143799,-16.3347], // degree: 192
	[-0.277401,-15.9729], // degree: 195
	[-0.472136,-15.5423], // degree: 198
	[-0.736389,-15.0488], // degree: 201
	[-1.07661,-14.4992], // degree: 204
	[-1.49713,-13.9001], // degree: 207
	[-2,-13.2583], // degree: 210
	[-2.58492,-12.5801], // degree: 213
	[-3.2492,-11.8713], // degree: 216
	[-3.98782,-11.1369], // degree: 219
	[-4.7935,-10.3809], // degree: 222
	[-5.65685,-9.6066], // degree: 225
	[-6.5666,-8.81594], // degree: 228
	[-7.50979,-8.01007], // degree: 231
	[-8.47214,-7.18922], // degree: 234
	[-9.43831,-6.35287], // degree: 237
	[-10.3923,-5.5], // degree: 240
	[-11.3178,-4.62931], // degree: 243
	[-12.1986,-3.73951], // degree: 246
	[-13.0189,-2.8296], // degree: 249
	[-13.7638,-1.89919], // degree: 252
	[-14.4195,-0.948734], // degree: 255
	[-14.9738,0.0201742], // degree: 258
	[-15.4163,1.00464], // degree: 261
	[-15.7385,2.00029], // degree: 264
	[-15.9343,3.00123], // degree: 267
	[-16,4], // degree: 270
	[-15.9343,4.9877], // degree: 273
	[-15.7385,5.9541], // degree: 276
	[-15.4163,6.88789], // degree: 279
	[-14.9738,7.77702], // degree: 282
	[-14.4195,8.60899], // degree: 285
	[-13.7638,9.37132], // degree: 288
	[-13.0189,10.052], // degree: 291
	[-12.1986,10.6399], // degree: 294
	[-11.3178,11.1252], // degree: 297
	[-10.3923,11.5], // degree: 300
	[-9.43831,11.7585], // degree: 303
	[-8.47214,11.8974], // degree: 306
	[-7.50979,11.9163], // degree: 309
	[-6.5666,11.8175], // degree: 312
	[-5.65685,11.6066], // degree: 315
	[-4.7935,11.292], // degree: 318
	[-3.98782,10.8849], // degree: 321
	[-3.2492,10.3992], // degree: 324
	[-2.58492,9.85103], // degree: 327
	[-2,9.25833], // degree: 330
	[-1.49713,8.64031], // degree: 333
	[-1.07661,8.01693], // degree: 336
	[-0.736389,7.40831], // degree: 339
	[-0.472136,6.83406], // degree: 342
	[-0.277401,6.3127], // degree: 345
	[-0.143799,5.86103], // degree: 348
	[-0.0612516,5.49364], // degree: 351
	[-0.0182736,5.22239], // degree: 354
	[-0.00229361,5.05605], // degree: 357
];

```


[User]
Hey there, I'm looking to design a custom nameplate with a unique curved or swept look. I saw a design that does exactly what I want, but I want to make sure my design is parametric so I can make adjustments later.

The design is essentially a piece of text that is extruded along a circular path, kind of like a quarter of a donut shape. The text is also raised from a base and should be able to face either up or down. The code I found included these parameters:

*   **`textstring`**: This is the text I want to display.
*   **`textsize`**: The size of the text in mm.
*   **`fontname`**: The font to use (it should support Google Fonts).
*   **`base_radius_add`**: An extra radius to the base of each letter, so the letters touch or nearly touch. I think a good start for this is about `textsize/10`.
*   **`baseheight`**: The base height of the text in mm.
*   **`cutangle`**: The angle in degrees to sweep the text around. 75 degrees seems like a good starting point.
*   **`text_excenter_factor`**: A scaling factor based on `textsize` that is used for the radius of the sweep.
*  **`direction`**: Determines if the text sweeps upwards from the base or downwards.
*   **`RoundBase`**: A boolean 0/1, where 0 is a flat base and 1 is a round, offset base.

I'd like you to design an OpenSCAD file (or files) that can produce this type of nameplate based on the described parameters. I don't need to include any libraries; this should all be done using the core functions of OpenSCAD.

[Assistant]
Sweeping_Name_Plate_VF.scad:
```
//Set the text to render
textstring="YourText";

//Set text size in mm
textsize=16;

//Font name, e.g. "Libration Sans", "Aldo", depends on what is available on the platform. In the customizer,choose from about 700 Google Fonts. For an overview please refer: http://www.google.com/fonts
fontname="Orbitron"; //[ABeeZee,Abel,Abril Fatface,Aclonica,Acme,Actor,Adamina,Advent Pro,Aguafina Script,Akronim,Aladin,Aldrich,Alef,Alegreya,Alegreya Sans,Alegreya Sans SC,Alegreya SC,Alex Brush,Alfa Slab One,Alice,Alike,Alike Angular,Allan,Allerta,Allerta Stencil,Allura,Almendra,Almendra Display,Almendra SC,Amarante,Amaranth,Amatic SC,Amethysta,Amiri,Anaheim,Andada,Andika,Angkor,Annie Use Your Telescope,Anonymous Pro,Antic,Antic Didone,Antic Slab,Anton,Arapey,Arbutus,Arbutus Slab,Architects Daughter,Archivo Black,Archivo Narrow,Arimo,Arizonia,Armata,Artifika,Arvo,Asap,Asset,Astloch,Asul,Atomic Age,Aubrey,Audiowide,Autour One,Average,Average Sans,Averia Gruesa Libre,Averia Libre,Averia Sans Libre,Averia Serif Libre,Bad Script,Balthazar,Bangers,Basic,Battambang,Baumans,Bayon,Belgrano,Belleza,BenchNine,Bentham,Berkshire Swash,Bevan,Bigelow Rules,Bigshot One,Bilbo,Bilbo Swash Caps,Bitter,Black Ops One,Bokor,Bonbon,Boogaloo,Bowlby One,Bowlby One SC,Brawler,Bree Serif,Bubblegum Sans,Bubbler One,Buda,Buenard,Butcherman,Butterfly Kids,Cabin,Cabin Condensed,Cabin Sketch,Caesar Dressing,Cagliostro,Calligraffitti,Cambay,Cambo,Candal,Cantarell,Cantata One,Cantora One,Capriola,Cardo,Carme,Carrois Gothic,Carrois Gothic SC,Carter One,Caudex,Cedarville Cursive,Ceviche One,Changa One,Chango,Chau Philomene One,Chela One,Chelsea Market,Chenla,Cherry Cream Soda,Cherry Swash,Chewy,Chicle,Chivo,Cinzel,Cinzel Decorative,Clicker Script,Coda,Coda Caption,Codystar,Combo,Comfortaa,Coming Soon,Concert One,Condiment,Content,Contrail One,Convergence,Cookie,Copse,Corben,Courgette,Cousine,Coustard,Covered By Your Grace,Crafty Girls,Creepster,Crete Round,Crimson Text,Croissant One,Crushed,Cuprum,Cutive,Cutive Mono,Damion,Dancing Script,Dangrek,Dawning of a New Day,Days One,Dekko,Delius,Delius Swash Caps,Delius Unicase,Della Respira,Denk One,Devonshire,Dhurjati,Didact Gothic,Diplomata,Diplomata SC,Domine,Donegal One,Doppio One,Dorsa,Dosis,Dr Sugiyama,Droid Sans,Droid Sans Mono,Droid Serif,Duru Sans,Dynalight,Eagle Lake,Eater,EB Garamond,Economica,Ek Mukta,Electrolize,Elsie,Elsie Swash Caps,Emblema One,Emilys Candy,Engagement,Englebert,Enriqueta,Erica One,Esteban,Euphoria Script,Ewert,Exo,Exo 2,Expletus Sans,Fanwood Text,Fascinate,Fascinate Inline,Faster One,Fasthand,Fauna One,Federant,Federo,Felipa,Fenix,Finger Paint,Fira Mono,Fira Sans,Fjalla One,Fjord One,Flamenco,Flavors,Fondamento,Fontdiner Swanky,Forum,Francois One,Freckle Face,Fredericka the Great,Fredoka One,Freehand,Fresca,Frijole,Fruktur,Fugaz One,Gabriela,Gafata,Galdeano,Galindo,Gentium Basic,Gentium Book Basic,Geo,Geostar,Geostar Fill,Germania One,GFS Didot,GFS Neohellenic,Gidugu,Gilda Display,Give You Glory,Glass Antiqua,Glegoo,Gloria Hallelujah,Goblin One,Gochi Hand,Gorditas,Goudy Bookletter 1911,Graduate,Grand Hotel,Gravitas One,Great Vibes,Griffy,Gruppo,Gudea,Gurajada,Habibi,Halant,Hammersmith One,Hanalei,Hanalei Fill,Handlee,Hanuman,Happy Monkey,Headland One,Henny Penny,Herr Von Muellerhoff,Hind,Holtwood One SC,Homemade Apple,Homenaje,Iceberg,Iceland,IM Fell Double Pica,IM Fell Double Pica SC,IM Fell DW Pica,IM Fell DW Pica SC,IM Fell English,IM Fell English SC,IM Fell French Canon,IM Fell French Canon SC,IM Fell Great Primer,IM Fell Great Primer SC,Imprima,Inconsolata,Inder,Indie Flower,Inika,Irish Grover,Istok Web,Italiana,Italianno,Jacques Francois,Jacques Francois Shadow,Jim Nightshade,Jockey One,Jolly Lodger,Josefin Sans,Josefin Slab,Joti One,Judson,Julee,Julius Sans One,Junge,Jura,Just Another Hand,Just Me Again Down Here,Kalam,Kameron,Kantumruy,Karla,Karma,Kaushan Script,Kavoon,Kdam Thmor,Keania One,Kelly Slab,Kenia,Khand,Khmer,Khula,Kite One,Knewave,Kotta One,Koulen,Kranky,Kreon,Kristi,Krona One,La Belle Aurore,Laila,Lakki Reddy,Lancelot,Lateef,Lato,League Script,Leckerli One,Ledger,Lekton,Lemon,Liberation Sans,Libre Baskerville,Life Savers,Lilita One,Lily Script One,Limelight,Linden Hill,Lobster,Lobster Two,Londrina Outline,Londrina Shadow,Londrina Sketch,Londrina Solid,Lora,Love Ya Like A Sister,Loved by the King,Lovers Quarrel,Luckiest Guy,Lusitana,Lustria,Macondo,Macondo Swash Caps,Magra,Maiden Orange,Mako,Mallanna,Mandali,Marcellus,Marcellus SC,Marck Script,Margarine,Marko One,Marmelad,Martel Sans,Marvel,Mate,Mate SC,Maven Pro,McLaren,Meddon,MedievalSharp,Medula One,Megrim,Meie Script,Merienda,Merienda One,Merriweather,Merriweather Sans,Metal,Metal Mania,Metamorphous,Metrophobic,Michroma,Milonga,Miltonian,Miltonian Tattoo,Miniver,Miss Fajardose,Modak,Modern Antiqua,Molengo,Molle,Monda,Monofett,Monoton,Monsieur La Doulaise,Montaga,Montez,Montserrat,Montserrat Alternates,Montserrat Subrayada,Moul,Moulpali,Mountains of Christmas,Mouse Memoirs,Mr Bedfort,Mr Dafoe,Mr De Haviland,Mrs Saint Delafield,Mrs Sheppards,Muli,Mystery Quest,Neucha,Neuton,New Rocker,News Cycle,Niconne,Nixie One,Nobile,Nokora,Norican,Nosifer,Nothing You Could Do,Noticia Text,Noto Sans,Noto Serif,Nova Cut,Nova Flat,Nova Mono,Nova Oval,Nova Round,Nova Script,Nova Slim,Nova Square,NTR,Numans,Nunito,Odor Mean Chey,Offside,Old Standard TT,Oldenburg,Oleo Script,Oleo Script Swash Caps,Open Sans,Open Sans Condensed,Oranienbaum,Orbitron,Oregano,Orienta,Original Surfer,Oswald,Over the Rainbow,Overlock,Overlock SC,Ovo,Oxygen,Oxygen Mono,Pacifico,Paprika,Parisienne,Passero One,Passion One,Pathway Gothic One,Patrick Hand,Patrick Hand SC,Patua One,Paytone One,Peddana,Peralta,Permanent Marker,Petit Formal Script,Petrona,Philosopher,Piedra,Pinyon Script,Pirata One,Plaster,Play,Playball,Playfair Display,Playfair Display SC,Podkova,Poiret One,Poller One,Poly,Pompiere,Pontano Sans,Port Lligat Sans,Port Lligat Slab,Prata,Preahvihear,Press Start 2P,Princess Sofia,Prociono,Prosto One,PT Mono,PT Sans,PT Sans Caption,PT Sans Narrow,PT Serif,PT Serif Caption,Puritan,Purple Purse,Quando,Quantico,Quattrocento,Quattrocento Sans,Questrial,Quicksand,Quintessential,Qwigley,Racing Sans One,Radley,Rajdhani,Raleway,Raleway Dots,Ramabhadra,Ramaraja,Rambla,Rammetto One,Ranchers,Rancho,Ranga,Rationale,Ravi Prakash,Redressed,Reenie Beanie,Revalia,Ribeye,Ribeye Marrow,Righteous,Risque,Roboto,Roboto Condensed,Roboto Slab,Rochester,Rock Salt,Rokkitt,Romanesco,Ropa Sans,Rosario,Rosarivo,Rouge Script,Rozha One,Rubik Mono One,Rubik One,Ruda,Rufina,Ruge Boogie,Ruluko,Rum Raisin,Ruslan Display,Russo One,Ruthie,Rye,Sacramento,Sail,Salsa,Sanchez,Sancreek,Sansita One,Sarina,Sarpanch,Satisfy,Scada,Scheherazade,Schoolbell,Seaweed Script,Sevillana,Seymour One,Shadows Into Light,Shadows Into Light Two,Shanti,Share,Share Tech,Share Tech Mono,Shojumaru,Short Stack,Siemreap,Sigmar One,Signika,Signika Negative,Simonetta,Sintony,Sirin Stencil,Six Caps,Skranji,Slabo 13px,Slabo 27px,Slackey,Smokum,Smythe,Sniglet,Snippet,Snowburst One,Sofadi One,Sofia,Sonsie One,Sorts Mill Goudy,Source Code Pro,Source Sans Pro,Source Serif Pro,Special Elite,Spicy Rice,Spinnaker,Spirax,Squada One,Sree Krushnadevaraya,Stalemate,Stalinist One,Stardos Stencil,Stint Ultra Condensed,Stint Ultra Expanded,Stoke,Strait,Sue Ellen Francisco,Sunshiney,Supermercado One,Suranna,Suravaram,Suwannaphum,Swanky and Moo Moo,Syncopate,Tangerine,Taprom,Tauri,Teko,Telex,Tenali Ramakrishna,Tenor Sans,Text Me One,The Girl Next Door,Tienne,Timmana,Tinos,Titan One,Titillium Web,Trade Winds,Trocchi,Trochut,Trykker,Tulpen One,Ubuntu,Ubuntu Condensed,Ubuntu Mono,Ultra,Uncial Antiqua,Underdog,Unica One,UnifrakturCook,UnifrakturMaguntia,Unkempt,Unlock,Unna,Vampiro One,Varela,Varela Round,Vast Shadow,Vesper Libre,Vibur,Vidaloka,Viga,Voces,Volkhov,Vollkorn,Voltaire,VT323,Waiting for the Sunrise,Wallpoet,Walter Turncoat,Warnes,Wellfleet,Wendy One,Wire One,Yanone Kaffeesatz,Yellowtail,Yeseva One,Yesteryear,Zeyada]

//set base increase to make letters meet, good start is 'textsize/10'
base_radius_add=3;

//set base height in mm
baseheight=1;

//set angle to sweep
cutangle=75;

//Size of the sweep as factor of textsize, good start is 1 so it would be as big as 'textsize' or 1.5
text_excenter_factor=1;

//Sweep direction
direction="up"; //["up":text top is highest, "down": text bottom is highest,

//Base type. Was always small base before, now you get the nicer round base with the customizer update
RoundBase=1; //[0,1]

/* [Hidden] */
//-------------------------------------------------------------------------------

cutcube_x=textsize*(len(textstring)+1);
cutcube_yz=textsize*2+text_excenter_factor*textsize;

/*
Sweeping Name Plate
Version F, March 2015
Written by MC Geisler (mcgenki at gmail dot com)

Another name plate, this time sweeping around.

Have fun!

License: Attribution 4.0 International (CC BY 4.0)

You are free to:
    Share - copy and redistribute the material in any medium or format
    Adapt - remix, transform, and build upon the material
    for any purpose, even commercially.
*/

module writetext(textstr, sizeit)
{
        text(textstr,size=sizeit,font=fontname,halign="center",valign="center");
}

module RiseText(textstr, textsize, direction="up")
{
    rotate([0,-90,0])
    {
        difference()
        {
            intersection()
            {
                rotate_extrude(convexity = 96, $fn = 64)
                    translate([text_excenter_factor*textsize, 0, 0])
                        rotate([0,0,(direction=="up"?-1:1)*90])
                            writetext(textstr, textsize);

                //cut out of the full circle
                translate([0,-cutcube_yz,-cutcube_x/2])
                    cube([cutcube_yz,cutcube_yz*2,cutcube_x]);

            }

            rotate([0,0,-cutangle])
            translate([0,-cutcube_yz,-cutcube_x/2])
                cube([cutcube_yz,cutcube_yz*2,cutcube_x]);
        }

        //create base
        if(RoundBase==0)
        {
            translate([(direction=="up"?-1:0)*baseheight, text_excenter_factor*textsize, 0])
                rotate([0,(direction=="up"?1:-1)*90,0])scale([1,(direction=="up"?1:-1),1])
                    linear_extrude(height=baseheight, twist=0, slices=1, $fn=32, convexity = 32)
                        hull()
                            writetext(textstr, textsize);
        }
        else
        {
            translate([(direction=="up"?-1:0)*baseheight, text_excenter_factor*textsize, 0])
                rotate([0,(direction=="up"?1:-1)*90,0])scale([1,(direction=="up"?1:-1),1])
                    linear_extrude(height=baseheight, twist=0, slices=1, $fn=32, convexity = 32)
                        offset(r = base_radius_add)
                        {
                            writetext(textstr, textsize);
                        }
        }
    }
}

RiseText(textstring,textsize,direction);

```


[User]
I'd like to design a custom holder for a knurled hex nut. It should be cylindrical, with a hexagonal cutout in the center to hold the nut, and have some knurled features on the outside for grip.

Here's what I'm looking for in terms of parameters:

*   **`totd`**: The total diameter of the outer cylinder, which will be the overall diameter of the knob/holder.
*   **`height`**: The total height of the holder/knob.
*   **`nutd`**: The diameter of the hex nut, point to point (not flat to flat).
*   **`knurls`**: The number of knurls/ridges around the circumference of the cylinder.

I'd like the generated code to produce a cylindrical main body, cut out the hex nut shape from the center, and then add the knurl features around the outside. The knurls should be evenly spaced around the circumference, and should be a consistent size.

Please generate a parametric OpenSCAD file that implements this design using the above parameters. I don't need a separate preview file or tests; just a single .scad file should be fine. I'm not currently using any libraries, so I'm happy for you to use built-in OpenSCAD functions only.

[Assistant]
knurled_nut_holder.scad:
```
// Knurled hex nut holder
// Glyn Cowles Feb 2015

// Total diameter of knob
totd=30;
// Height of knob
height=8;
// Nut diameter (point to point not flat to flat)
nutd=18;
// Number of knurls
knurls=12;

difference() {
    cylinder(h=height,r=totd/2,$fn=25);
    cylinder(h=height,r=nutd/2,$fn=6);
    for (r=[0:360/knurls:360]) {
        rotate([0,0,r]) translate([totd/1.8,0,0]) cylinder(h=height,r=(totd/5)/2,$fn=15);
    }
}

```


[User]
I need to design a customizable grommet or bezel that can hold a USB plug or socket, the kind that's molded onto a cable. It needs to be able to fit into a panel, and I'd like to be able to parameterize all the important dimensions.

Essentially, the USB plug or socket (on a cable) gets pressed into a rectangular hole within the grommet. It should be held in place both by friction and by a screw that acts as a clamp. There’s an internal ring that adds to the retention. I envision a screw that fastens the ring to the outer flange, also tightening onto the USB itself. The design should include allowances for any burrs or rough edges around the panel hole. There should also be a key or tab to stop the assembly from rotating once it’s mounted, and to help align the ring with the flange during assembly.

I'm thinking the key parameters would be:

*   **Panel Hole Dimensions:** Diameter of the hole in the panel where the grommet fits.
*   **Panel Thickness:** The thickness of the panel.
*   **Flange Size:** The width of the outer flange.
*   **Internal Ring Thickness:** The thickness of the ring that protrudes into the internal space.
*   **Screw Hole Diameter:** The diameter for the screw holes.
*   **USB Plug/Socket Dimensions:** The width, height, and depth of the USB plug/socket, including the cable strain relief portion. It needs to handle both male and female USB connectors.
*   **Key Width and Height:** The dimensions of the anti-rotation key.
*   **Screw Type/Length**: Probably M2 or M2.5 screws, but I would like to be able to calculate the necessary length.

I want the design to be parametric, so that I can easily adjust these measurements. The design should consist of multiple pieces: the flange, the internal ring, and maybe a representation of the USB connector (though that isn’t necessary to be a perfect model). I'd like to specify a "show" variable to control which parts are visible. The screw should be included in the design for reference, and the design should be parametric so that I can change its diameter.

Ideally, the design should also include:
*   A bevel or recess for the burr on the panel hole.
*   An anti-rotation key for the flange.
*   A small bit of clearance in the hole size to account for 3d printer imprecision.

Also, I’d like it if I can select views like "assembly", "exploded", and "printable". The “printable” view should orient and possibly translate each piece to be printable without requiring support material.

Can you create an OpenSCAD file (or files) for this, including using variables for all the key parameters? I’d like the file to generate a comment that echoes the necessary screw length and the overall flange diameter. I am *not* looking for any libraries, but it's okay to specify any specific libraries for the code.

[Assistant]
USB_Grommet1.scad:
```
//Makes a hole grommet that a USB cable plug or socket can be jammed into.
//Locking ring has a side screw to hold it, and clamp USB connector
// anti-rotation key provided
/*[Global]*/
//Choose Which parts to show
Show="all"; //[all,flange,ring,usb]

//Choose the view
//View="printable"; //[assembly, exploded, printable]
//View="assembly";
View="exploded"; //[assembly, exploded, printable]

//Display USB Plug
ViewUSB="showusb"; //[showusb,hideusb]

/*[Panel]*/
//Diameter of hole that grommet goes through
MountingHoleD=17.6;

HoleR=MountingHoleD/2;

//Thickness of case material - small burring is OK as a broove is provided for it
PanelH=1.6;
//inside suffers from a raised edge from drilling, so recess it
PanelBurrBevel=1.5;

//correction for holes being small on UP printer
holeos=0.3;

/*[Flange]*/
//Outside Flange is bigger than Mounting Hole by this much (each side)
FlangeW=5;

FlangeOR=(MountingHoleD+FlangeW*2) /2;

FlangeH=FlangeW;
FlangeBevel=FlangeW*2/3;

//width of anti-rotation key tit. Set to 0 to not have it. (or just cut it off)
KeyW=2;
//Height of key above panel thickness, i.e. into ring
KeyH=4;

/*[Ring]*/
//Thickness of the internal Ring part (protrusion into the internal space)
InternalH=8;
//diameter of screw holes that screw ring to flange and locks USB in place. (Length of screw is shown on console)
ScrewD=2.4;
ScrewIR=(ScrewD+holeos)/2;

/*[USB]*/
//Size of USB plug moulding at widest part - this is a compression fit
USBX=16.1;
USBY=8.3;
//How to Grip the USB plug: Everything below here is relevant to positive retention only, for compression+screw you can ignore it.
USBGripStyle="compression"; //[compression, positive-not-implemented]
//Moulding length at main width. Only used when using positive restention
USBZ=18.7;
//Length of tapering moulding back to narrow rectangle part
USBZ1=4;
//Smaller rectangle before strain relief
USBZ2=8;
USBY2=7.8;
USBX2=10.9;
//diameter at the strain relief
USBReliefD=7.6;
USBReliefR=USBReliefD/2;
USBReliefZ=6;
//diameter of the cable
USBCableD=4/2;
USBCableR=USBCableD/2;
USBCableZ=5;

//Select Male or Female USB socket
USBGender="female"; //[male,female]
//USBGender="female";
//Dimensions of metal part.
USBMaleX=12.2;
USBMaleY=4.6;
USBMaleZ=12.8;

USBFemaleX=14.4;
USBFemaleY=7.3;
USBFemaleZ=9.4;

//-------------
H=PanelH+InternalH+FlangeH;

echo(str("Screw thread length = ", FlangeOR-USBY/2,"mm"));
echo(str("Flange Diameter = ",FlangeOR*2,"mm"));

//Make a cube which is centred on some axes
//center can be xy,x,y,z,true,
// if ends with "-" then extends Z and offsets, for use in differences
module cubec(size=1, center="xy", offset=[0,0,0]) {
//    //if (center[len(center)-1] =="-") {
//    if (offset=="-") {
//        size=size+[0, 0, .02];
//        //offset=offset - [0, 0, 0.01];
//         offset = [0, 0, 0.01];
//    }//if
//
    if (center=="xy")  translate( offset + [-size[0]/2, -size[1]/2, 0]) cube(size);
    if (center=="x")   translate(offset+[-size[0]/2, 0, 0]) cube(size);
    if (center=="y")   translate(offset+[0, -size[1]/2, 0]) cube(size);
    if (center=="z")   translate(offset+[0,0,-size[2]/2]) cube(size);
    if (center==true || center=="xyz") translate(-size/2) cube(size);
}//mod

module USBHole() {
    cubec([USBX,USBY,H+0.02],center="xy", offset=[0,0,-0.01]);
}//mod

//makes a USB plug shape
module USBPlug() {
    if (USBGender=="male") {
            translate([0,0,-USBMaleZ]) cubec([USBMaleX,USBMaleY,USBMaleZ],center="xy");
    }else{
            translate([0,0,-USBFemaleZ]) cubec([USBFemaleX,USBFemaleY,USBFemaleZ],center="xy");
    }//if

    hull() {
    cubec([USBX,USBY,USBZ],center="xy");
    translate([0,0,USBZ]) cubec([USBX2,USBY2,USBZ1],center="xy");
    }
    translate([0,0,USBZ+USBZ1]) cubec([USBX2,USBY2,USBZ2],center="xy");
    translate([0,0,USBZ+USBZ1+USBZ2]) cylinder(r=USBReliefR, h=USBReliefZ);
    translate([0,0,USBZ+USBZ1+USBZ2+USBReliefZ]) cylinder(r=USBCableR, h=USBCableZ);
}//mod

module Screw() {
    rotate([90,0,0]) cylinder(r=ScrewIR, h=FlangeOR*2+5,$fn=20,center=true);
}

//------------------------------------------------------------

module FlangePart() {
   color("red")
difference() {
    union() {
        //flange
        cylinder(r1=FlangeOR-FlangeBevel, r2=FlangeOR, h=FlangeBevel);
        difference() {
            translate([0,0, FlangeBevel])
                cylinder(r=FlangeOR, h=FlangeH-FlangeBevel);
                translate([0,0,FlangeH-PanelBurrBevel+0.01]) cylinder(r1=HoleR+0.5, r2=HoleR+PanelBurrBevel, h=PanelBurrBevel);
        }//diff
        //rod
        cylinder(r=HoleR, h=H);
        rotate([0,0,60]) translate([HoleR,0,FlangeH])
                cubec([KeyW*2,KeyW,KeyH+PanelH],center="xy");
    }//union
    USBHole();
    translate([0,0,FlangeH+PanelH+InternalH/2]) Screw();

}//diff
}//mod

module Ring() {
        difference() {
        union() {
         cylinder(r=FlangeOR, h=InternalH*3/4);
         translate([0,0,InternalH*3/4]) cylinder(r1=FlangeOR,r2=FlangeOR-InternalH/4, h=InternalH/4);
        }//union
         USBHole();
         translate([0,0,-0.01]) {
             cylinder(r=HoleR+holeos, h=H+0.01);
             cylinder(r2=HoleR, r1=HoleR+PanelBurrBevel, h=PanelBurrBevel);
         }
         translate([0,0,InternalH/2]) Screw(); //screw holes
         rotate([0,0,60]) translate([HoleR,0,-0.01])
                cubec([KeyW*2+0.2,KeyW+0.2,KeyH+0.02],center="xy"); //key slot
    }
}//mod

//Main
if ((ViewUSB=="showusb" && View!="printable") || Show=="usb") color("lightgreen")
    if (View=="exploded") {
            translate([0,0,H+FlangeH+PanelH]+20) USBPlug();
    }else{
        USBPlug();
    }

if (Show=="all" || Show=="flange")  FlangePart();

if (Show=="all" || Show=="ring")
     color("cyan")
    if (View=="assembly") {
        translate([0,0,FlangeH+PanelH]) Ring();
    } else {
         if (View=="exploded") {
            translate([0,0,H+FlangeH+PanelH]) Ring();
         }else {
            translate([FlangeOR*2+5,0,InternalH]) rotate([0,180,0]) Ring();  //ready to print
         }
    }

```


[User]
I need a parametric corner guard that I can customize. It should fit onto a 90-degree corner, where three surfaces meet (think the corner of a room, or the inside corner of a box).

The design should have three "arms" extending from the corner along the X, Y, and Z axes, each with a rectangular cross-section. I need to be able to specify the length of each arm, the width of each arm, and the thickness of each wall of the arms independently. I also need to be able to control the fillet radius of both the inner corners (where the arms meet) and the outer corners (at the end of each arm). Finally, I'd like an option to add a chamfer to the outer edge of the corner.

I'd like to be able to set all of these as parameters. Could you generate an OpenSCAD file or files for me? I don't need to include any pre-made code, just whatever you generate. I don't use any libraries.

[Assistant]
FilletedCornerGuard.scad:
```
/**
 * CornerGurad.scad by Ron Tajima (ryosuke.tajima <at> gmail <dot> com)
 *
 * This corner guard is for orthogonal corner consists from three beam along x,y,z axis.
 * The inside corner is the coordinate origin.
 *
 * corner_gurad(length, width, thickness, inner_fillet, outer_fillet)
 *   length: Length from the inner face to the beam tip
 *   width: Beam width from the inner face to the wall edge
 *   thickness: thickness of each wall
 *   inner_fillet: Radius of inner fillet around axis (x,y,z).
 *   outer_fillet: Radius of outer fillet of each (x,y,z) beam.
 *   chamfer: make chamfer for outer corner if it is true.
 *
 */

// length for x direction (without the wall thickness)
length_x = 30;
// length for y direction (without the wall thickness)
length_y = 40;
// length for z direction (without the wall thickness)
length_z = 50;
// wall width of x side
width_x = 10;
// wall width of y side
width_y = 10;
// wall width of z side
width_z = 10;
// thickness of the wall with x-axis normal vector
thickness_x = 1.5;
// thickness of the wall with y-axis normal vector
thickness_y = 1.5;
// thickness of the wall with z-axis normal vector
thickness_z = 1.5;
// Radius of inner fillet with x-axis normal vector
inner_fillet_x = 3;
// Radius of inner fillet with y-axis normal vector
inner_fillet_y = 3;
// Radius of inner fillet with z-axis normal vector
inner_fillet_z = 3;
// Radius of outer fillet with x-axis normal vector
outer_fillet_x = 4;
// Radius of outer fillet with y-axis normal vector
outer_fillet_y = 4;
// Radius of outer fillet with z-axis normal vector
outer_fillet_z = 4;
// On/Off of corner chamfer
chamfer_flag = "On"; // [On, Off]

corner_guard(length=[length_x,length_y, length_z], width=[width_x,width_y,width_z], thickness=[thickness_x,thickness_y,thickness_z], inner_fillet=[inner_fillet_x,inner_fillet_y,inner_fillet_z], outer_fillet=[outer_fillet_x,outer_fillet_y,outer_fillet_z], chamfer=chamfer_flag);

// Corner guard
module corner_guard(length=[50,50,50], width=[10,10,10], thickness=[2,2,2], inner_fillet=[0,0,0], outer_fillet=[0, 0, 0], chamfer="On") {
    difference() {
	union() {
	    three_beams();
	    inner_fillet();
	}
	outer_fillet();
	if (chamfer=="On") {
	    corner_chamfer();
	}
    }
    // Main three beams
    module three_beams() {
	guard_length=length+thickness;
	guard_width=width+thickness;
	difference() {
	    union() {
		// Beam around X-axis
		difference() {
		    translate([-thickness[0], -thickness[1], -thickness[2]]) {
			cube(size=[length[0]+thickness[0], width[2]+thickness[1], width[1]+thickness[2]]);
		    }
		    translate([-2*thickness[0], width[0], width[0]]) {
			cube(size=[length[0], length[1], length[2]]);
		    }
		}
		// Beam around Y-axis
		difference() {
		    translate([-thickness[0], -thickness[1], -thickness[2]]) {
			cube(size=[width[2]+thickness[0], length[1]+thickness[1], width[0]+thickness[2]]);
		    }
		    translate([width[1], -2*thickness[1], width[1]]) {
			cube(size=[length[0], length[1], length[2]]);
		    }
		}
		// Beam around Z-axis
		difference() {
		    translate([-thickness[0], -thickness[1], -thickness[2]]) {
			cube(size=[width[1]+thickness[0], width[0]+thickness[1], length[2]+thickness[2]]);
		    }
		    translate([width[2], width[2], -2*thickness[2]]) {
			cube(size=[length[0], length[1], length[2]]);
		    }
		}
	    }
	    cube(size=guard_length);
	}
    }
    // Inner fillets
    module inner_fillet() {
	// Fillets around X-axis
	translate([-thickness[0], width[0], width[0]] ) {
	    rotate([90, 0, 90]) {
		rounded_corner_3d(inner_fillet[0], thickness[0]);
	    }
	}
	// Fillets around Y-axis
	translate([width[1], 0, width[1]] ) {
	    rotate([90, 0, 0]) {
		rounded_corner_3d(inner_fillet[1], thickness[1]);
	    }
	}
	// Fillets around Z-axis
	translate([width[2], width[2], -thickness[2]] ) {
	    rotate([0, 0, 0]) {
		rounded_corner_3d(inner_fillet[2], thickness[2]);
	    }
	}
    }
    // Outer fillets
    module outer_fillet() {
	// Fillets around X-axis
	translate([-thickness[0], length[1], width[0]]) {
	    rotate([-90, 0, -90]) {
		rounded_corner_3d(outer_fillet[1], thickness[0]);
	    }
	}
	translate([-thickness[0], width[0], length[2]]) {
	    rotate([-90, 0, -90]) {
		rounded_corner_3d(outer_fillet[2], thickness[0]);
	    }
	}
	// Fillets around Y-axis
	translate([length[0], -thickness[1], width[1]]) {
	    rotate([0, 90, 90]) {
		rounded_corner_3d(outer_fillet[0], thickness[1]);
	    }
	}
	translate([width[1], -thickness[1], length[2]]) {
	    rotate([0, 90, 90]) {
		rounded_corner_3d(outer_fillet[2], thickness[1]);
	    }
	}
	// Fillets around Z-axis
	translate([length[0], width[2], -thickness[2]]) {
	    rotate([0, 0, 180]) {
		rounded_corner_3d(outer_fillet[0], thickness[2]);
	    }
	}
	translate([width[2], length[1], -thickness[2]]) {
	    rotate([0, 0, 180]) {
		rounded_corner_3d(outer_fillet[1], thickness[2]);
	    }
	}
    }
    // Corner chamfer
    module corner_chamfer() {
	th = min(thickness[0],thickness[1],thickness[2]);
	rotate([-45,0,-45]) {
	    translate([0, 0, -10-th]) {
		cube([40,40,20], center=true);
	    }
	}
    }
}

// 2d fillet curve
module rounded_corner_2d(d, offset=0.001) {
    difference() {
	square([d+offset, d+offset]);
	translate([d, d]) {
	    circle(r=d,$fs=0.1);
	}
    }
}

// 3d fillet shape
module rounded_corner_3d(d,l,offset=0.001) {
    v = [-offset, -offset, -offset];
    translate(v) {
	linear_extrude(height=l+2*offset) {
	    rounded_corner_2d(d);
	}
    }
}

```


[User]
I'd like to create a parametric microphone stand using OpenSCAD. It'll be a pretty simple design, basically an angled arm that comes out of a circular base, and it'll have a way to attach a standard microphone clip. I have some specific dimensions in mind, but I want to be able to adjust them.

Here’s a breakdown of what I’m looking for:

**Overall Structure:**

*   **Base:** A circular base with a rounded profile, like a short, wide cylinder with rounded edges. The base should be solid.
*   **Arm:** An angled arm that extends from the top of the base. The arm has two sections: a longer section, and then a shorter bracket section.
*   **Bracket:** The bracket section has a slot to hold the microphone clip, and there will be bolt/nut holes in that section for mounting the clip. The microphone clip itself is not part of this project. I'll be using MattRHale's Universal Microphone Clip.

**Parametric Dimensions:**

I'd like to be able to change all these values, so let's define the variables I want to control:

*   `P10`: Length of the longer arm section.
*   `P12`: Length of the bracket section.
*   `P20`: Thickness of the bracket arms.
*   `P21`: Clearance between the bracket arms.
*   `P30`: Total height of the stand where it attaches to the arm.  I want this to be calculated from `P20` and `P21`, specifically `P30 = 2*P20+P21`
*   `P40`: Distance of the bolt holes from the top end of the bracket arms.
*   `P41`: Diameter of the bolt holes.
*   `P42`: Wrench size for the nut trap.
*  `P43`: Depth of the nut trap.
*  `Angle`: Angle of the arm relative to the base (0-90 degrees).
* `BaseRadius`: Radius of the base circle.
* `BaseH`: Height of the base and radius of the profile for the rounded edges on the base

**Specific Features:**

*   **Bracket Cutout:** The bracket section should have a cutout between its arms, so you can slot a mic clip in there
*   **Bolt Holes:** I need a hole in each of the bracket arms for the bolt that holds the clip.
*   **Nut Trap:** I need a hexagonal nut trap on one of the bracket arms for the mounting bolt. The nut trap should be a depth that will prevent a nut from slipping out.
*   **Base Profile:** The base should have rounded edges, as if generated by a circle being rotated and moved, creating a rounded profile.
* **Arm Attachment:** The arm should be connected to the top of the base.

**General Notes**

*   I need to use the `polyholes.scad` library for the bolt holes, so that I can control the clearance using a parameter.
* I need to have an epsilon parameter, called `de` to avoid rendering issues when using differences
*   I want the design to be parametric so I can easily change dimensions in the future.
* I don't need the mic clip or the thumbnut/wingnut included in the generated file(s).

Could you generate the OpenSCAD file(s) for me?

[Assistant]
stand.scad:
```
//-----------------------------------------------------------------------------------
//libraries
//-----------------------------------------------------------------------------------
//polyholes lib is in local dir
use <MCAD/polyholes.scad>

//-----------------------------------------------------------------------------------
//global configuration settings
//-----------------------------------------------------------------------------------
//epsilon param, so differences are scaled and do not become manifold
de = 0.1;

//-----------------------------------------------------------------------------------
//parametric settings (object dimensions)
//-----------------------------------------------------------------------------------
//length of arm section
P10 = 80;
//length of bracket section
P12 = 20;
//thickness of bracket arms
P20 = 5;
//clearance between bracket arms
P21 = 7.6;
//height of foot
P30 = 2*P20+P21;
//distance of holes from top end of bracket arms
P40 = 9;
//holes diameter
P41 = 6.2;
//bracket nut trap wrench size
P42 = 10.2;
//bracket nut trap depth
P43 = 4;
//Angle of arm (0..90)
Angle=75;

//Base Radius
BaseRadius=60;
//Base Height, radius of profile
BaseH=12;
module micholder()
{
    difference()
    {
        union()
        {
            //main body
            //translate([0, 0, 0])
                cube([P10+P12-P30/2, 2*P20+P21, P30]);
				translate([P10+P12-P30/2, P30, P30/2])
					 rotate([90,0,0])
						cylinder(r=P30/2, h= P30);
        }  //union 1

        union()
        {
            //cutout for bracket arms
            translate([P10, P20, -de])
                cube([P12+de, P21, P30+2*de]);

            //bracket arms bores
            translate([P10+P12-P40, -de, P30/2])
                rotate([-90, 0, 0])
                polyhole(d=P41, h=2*P20+P21+2*de);
            //and nut trap on south arm
            translate([P10+P12-P40, -de, P30/2])
                rotate([-90,0,0])
                cylinder(r = P42 / 2 / cos(180 / 6) + 0.05, h=P43+de, $fn=6);

        }  //union 2
    }  //difference
}

module base(r,R) {
	difference(){
		hull()
		rotate_extrude(convexity = 10, $fn=50)
			translate([R-r,0,0]) circle(r=r);
		translate([0,0,-r]) cylinder(r=2*R, h=r);
	}
}

difference(){
union(){
	translate([(2*P20+P21)/2,-P30/2, BaseH-cos(Angle)*P30]) rotate([0,-Angle,0]) micholder();
	base(BaseH,BaseRadius);
}
translate([0,0,-2*P30]) cylinder(r=BaseRadius, h=2*P30);
}
```


[User]
I need a custom enclosure designed in OpenSCAD to attach a Cogwatch sensor to the base of an electric kettle. The enclosure should have several key features:

First, it needs a main body that will sit around the kettle's connection station. The connection station has a diameter of 167mm, and the enclosure should add a consistent wall thickness, say 3mm. Inside this outer wall, there should be an inner cylindrical space where the kettle's base can actually sit. This inner cylinder needs to be a bit shorter, maybe 5mm shorter, than the total height of the enclosure, which should be around 17mm. There needs to be another cylindrical hole in the bottom to allow the kettle base to rest on. I'm thinking a diameter of 110mm. And a small cylindrical pocket at the base where the sensor goes, with a radius of 11mm, and I'll use this pocket to seat the FSR sensor. The inner cylindrical space should reach a height of 12mm from the bottom.

Secondly, I need integrated traps to guide the FSR sensor wires around the casing. These will need to have a cable width of 12mm, and they should go from the top of the sensor pocket to the base. It'd be great if we can specify how many traps we have, and also a radius for the trap itself. I think I'll want just one cable trap to start. Also need to be able to define the height of the sensor pocket, which should be 12mm as well.

Lastly, I will need some trap-like structures for the FSRs themselves. These need to be placed around the perimeter and spaced evenly; for now, three of these will probably be sufficient. Each FSR area is cylindrical, with a radius of 11mm, and a 10mm wide rectangle extending from one side. The width of the rectangle should face the edge of the casing, and I'll want a little bit of space between the edge of the FSR trap and the edge of the enclosure, maybe about two wall thicknesses.

For the sake of parametric design, I would like to be able to adjust the following:
* `station_diameter`: the diameter of the kettle's connection station
* `cable_width`: the width of the cable protruding from the connection station
* `wall`: the wall and floor thickness of the enclosure
* `h1`: the total height of the enclosure
* `h2`: the height of the sensor pocket
* `cn`: the number of cable traps
* `cr`: the radius of the cable trap
* `FSRr`: the radius of the FSR sensor area
* `FSRw`: the width of the FSR sensor connector section

Please make sure the OpenSCAD code is parametric and well commented, and avoids any library-specific code (like MCAD, BOSL, BOSL2, etc). I don't mind if you generate multiple .scad files, but I'd prefer it if they can just all be in one.

[Assistant]
KettleBase.scad:
```
//Diameter of the connection station of the Kettle (mm)
station_diameter = 167;

// With of cable protuding from connection station (mm)
cable_width=12;

/* [advaced configurations] */
//wall and floor thickness
wall=3;

r1=station_diameter/2+wall;
r2=r1-wall;
r3=110/2;

//total height
h1=17;
//height of sensor pocket
h2= 12;

/*cable trap params*/
//number of cable traps
cn=1;
cr=cable_width;

//FSR dimensions
//radius of FSR sensor area
FSRr=11;
r4=FSRr+1;
// width of FSR sensor connector section
FSRw=10;

module main(){
	difference(){
		cylinder(r = r1, h = h1, $fn=100);
		translate([0,0,h2]) cylinder(r = r2, h = h1-h2, $fn=100);
		translate([0,0,wall]) cylinder(r = r3, h = h1-wall);
		cylinder(r = r4, h=wall);
	}
}

module traps(){
	ch = h1-h2-cr;
	for( a = [0:360/cn:360]) {
       rotate([0,0,a]) translate([r1,0,0]) rotate([0,-90,0])
			hull(){
				cylinder(r=cr,h=wall*2);
				translate([cr/2,-cr,0]) cube([ch,cr*2,wall*2]);
			}
	}
}

module kettleBase(){
	difference(){
		main();
		translate([0,0,h2+cr]) traps();
		for( a = [0:360/3:360]) {
       rotate([0,0,a]) translate([r1-FSRr-wall*2,0,0])
			FSRtrap(r1-FSRr*2-wall*2,wall/2);
	}
	}
}

module FSRtrap(l,h){
	union(){
		cylinder(r=FSRr,h=h);
		translate([-l-FSRr,-FSRw/2,0]) cube([l+FSRr,FSRw,h]);
	}
}
kettleBase();
```


[User]
I'd like to design a modular system for attaching sensors to various cylindrical objects, like jugs or pipes, using threaded interfaces. I want to be able to easily swap out different sensors, and I'd like a base that can be glued or otherwise attached to the target object.

Here's what I'm imagining:

1.  **A Base Module:** This will be a cylindrical base with a flat bottom for easy gluing to the target object. It will have an internal threaded interface on the top. I will provide the outer diameter of the target object as input, and I'd like the ability to specify the base height as well. I'd like the ability to specify the wall thickness of the base. I need the tolerance of the thread as an input as well.
2. **A Male Interface Module:** This module will have a male thread matching the base's internal thread. The male interface will have a short cylindrical portion, which is meant to be mounted on the sensor part. This module should have parameters for thread height, diameter, pitch, and a small space to lift the threaded portion up off the sensor part to reduce the risk of rubbing when mounted.
3. **A Female Interface Module:** This module has a female thread. It has the same interface parameters as the male interface. This module is meant to allow the male interface to screw into it.
4.  **Thread Generation:** I want to use metric threads, with user-adjustable diameter, pitch, length, and number of starts for both internal and external threads. I am not set on a particular thread algorithm or technique. I want to be able to optionally have clearances for both internal and external threads.

I will need to generate parts for different cylindrical objects, so it is important that it can take a diameter of the base and be generated parametrically.

Could you design a set of OpenSCAD files with these modules and their respective parameters?

[Assistant]
JugBase.scad:
```
//Jug bottom radius (diameter/2) (mm)
CupBottomR=30;
//Tolerance, adjust accordingly to your printer
t=0.6;
CHradius1=CupBottomR;

/*[Advanced]*/
//base height
BaseH=6;

/*
 * Dan Kirshner - dan_kirshner@yahoo.com
 *
 * You are welcome to make free use of this software.  Retention of my
 * authorship credit would be appreciated.
 *
 * Version 1.4.  2014-10-17   Use "faces" instead of "triangles" for polyhedron
 * Version 1.3.  2013-12-01   Correct loop over turns -- don't have early cut-off
 * Version 1.2.  2012-09-09   Use discrete polyhedra rather than linear_extrude()
 * Version 1.1.  2012-09-07   Corrected to right-hand threads!
 */

//english_thread(1/4, 20, 1);

// Rohloff hub thread:
//metric_thread(34, 1, 10, internal=true, n_starts=6);

// ----------------------------------------------------------------------------
function segments(diameter) = min(50, ceil(diameter*6));

// ----------------------------------------------------------------------------
// internal - true = clearances for internal thread (e.g., a nut).
//            false = clearances for external thread (e.g., a bolt).
//            (Internal threads should be "cut out" from a solid using
//            difference()).
// n_starts - Number of thread starts (e.g., DNA, a "double helix," has
//            n_starts=2).  See wikipedia Screw_thread.
module metric_thread(diameter=8, pitch=1, length=1, internal=false, n_starts=1)
{
   // Number of turns needed.
   n_turns = floor(length/pitch);
   n_segments = segments(diameter);
   h = pitch * cos(30);

   union() {
      intersection() {
         // Start one below z = 0.  Gives an extra turn at each end.
         for (i=[-1*n_starts : n_turns+1]) {
            translate([0, 0, i*pitch]) {
               metric_thread_turn(diameter, pitch, internal, n_starts);
            }
         }

         // Cut to length.
         translate([0, 0, length/2]) {
            cube([diameter*1.1, diameter*1.1, length], center=true);
         }
      }

      // Solid center, including Dmin truncation.
      if (internal) {
         cylinder(r=diameter/2 - h*5/8, h=length, $fn=n_segments);
      } else {

         // External thread includes additional relief.
         cylinder(r=diameter/2 - h*5.3/8, h=length, $fn=n_segments);
      }
   }
}

// ----------------------------------------------------------------------------
module metric_thread_turn(diameter, pitch, internal, n_starts)
{
   n_segments = segments(diameter);
   fraction_circle = 1.0/n_segments;
   for (i=[0 : n_segments-1]) {
      rotate([0, 0, i*360*fraction_circle]) {
         translate([0, 0, i*n_starts*pitch*fraction_circle]) {
            thread_polyhedron(diameter/2, pitch, internal, n_starts);
         }
      }
   }
}

// ----------------------------------------------------------------------------
// z (see diagram) as function of current radius.
// (Only good for first half-pitch.)
function z_fct(current_radius, radius, pitch)
   = 0.5*(current_radius - (radius - 0.875*pitch*cos(30)))
                                                       /cos(30);

// ----------------------------------------------------------------------------
module thread_polyhedron(radius, pitch, internal, n_starts)
{
   n_segments = segments(radius*2);
   fraction_circle = 1.0/n_segments;

   h = pitch * cos(30);
   outer_r = radius + (internal ? h/20 : 0); // Adds internal relief.
   //echo(str("outer_r: ", outer_r));

   inner_r = radius - 0.875*h; // Does NOT do Dmin_truncation - do later with
                               // cylinder.

   // Make these just slightly bigger (keep in proportion) so polyhedra will
   // overlap.
   x_incr_outer = outer_r * fraction_circle * 2 * PI * 1.005;
   x_incr_inner = inner_r * fraction_circle * 2 * PI * 1.005;
   z_incr = n_starts * pitch * fraction_circle * 1.005;

   /*
    (angles x0 and x3 inner are actually 60 deg)

                          /\  (x2_inner, z2_inner) [2]
                         /  \
   (x3_inner, z3_inner) /    \
                  [3]   \     \
                        |\     \ (x2_outer, z2_outer) [6]
                        | \    /
                        |  \  /|
             z          |[7]\/ / (x1_outer, z1_outer) [5]
             |          |   | /
             |   x      |   |/
             |  /       |   / (x0_outer, z0_outer) [4]
             | /        |  /     (behind: (x1_inner, z1_inner) [1]
             |/         | /
    y________|          |/
   (r)                  / (x0_inner, z0_inner) [0]

   */

   x1_outer = outer_r * fraction_circle * 2 * PI;

   z0_outer = z_fct(outer_r, radius, pitch);
   //echo(str("z0_outer: ", z0_outer));

   //polygon([[inner_r, 0], [outer_r, z0_outer],
   //        [outer_r, 0.5*pitch], [inner_r, 0.5*pitch]]);
   z1_outer = z0_outer + z_incr;

   // Rule for face ordering: look at polyhedron from outside: points must
   // be in clockwise order.
   polyhedron(
      points = [
                [-x_incr_inner/2, -inner_r, 0],                        // [0]
                [x_incr_inner/2, -inner_r, z_incr],                    // [1]
                [x_incr_inner/2, -inner_r, pitch + z_incr],            // [2]
                [-x_incr_inner/2, -inner_r, pitch],                    // [3]

                [-x_incr_outer/2, -outer_r, z0_outer],                 // [4]
                [x_incr_outer/2, -outer_r, z0_outer + z_incr],         // [5]
                [x_incr_outer/2, -outer_r, pitch - z0_outer + z_incr], // [6]
                [-x_incr_outer/2, -outer_r, pitch - z0_outer]          // [7]
               ],

      faces = [
                [0, 3, 7, 4],  // This-side trapezoid

                [1, 5, 6, 2],  // Back-side trapezoid

                [0, 1, 2, 3],  // Inner rectangle

                [4, 7, 6, 5],  // Outer rectangle

                // These are not planar, so do with separate triangles.
                [7, 2, 6],     // Upper rectangle, bottom
                [7, 3, 2],     // Upper rectangle, top

                [0, 5, 1],     // Lower rectangle, bottom
                [0, 4, 5]      // Lower rectangle, top
               ]
   );
}

module male_interface(interfaceH=5,interfaceD=40,interfaceT=2,interfaceSpace=1, t){
    union(){
         translate([0,0,interfaceSpace])
            metric_thread(interfaceD-t*2, interfaceT, interfaceH);
            cylinder(r=interfaceD/2,h=interfaceSpace);
    }
}

module female_interface(interfaceH=5,interfaceD=40,interfaceT=2,interfaceSpace=1, t){
    union(){
        cylinder(r1=interfaceD/2+interfaceSpace,r2=interfaceD/2,h=interfaceSpace);
        translate([0,0,interfaceSpace])
            metric_thread(interfaceD, interfaceT, interfaceH,internal=true);

    }
}

module base(h) {
    r = CHradius1;
	difference(){
		cylinder(r=r, h =h,$fn = 100);
                female_interface(t=t);
	}
}

base(BaseH);

```


[User]
Hey, I'm looking to design a customizable cup holder that integrates with a Shimmer sensor device. I've got a base design already that I'm using as a starting point, which I've attached as `ShimmerCoaster.scad`.

The basic idea is that I want a cylindrical cup holder base with a recessed area to accommodate the Shimmer, and a Cogwatch-style screw interface on the top so it can attach to things. I'd like the design to be parametric so I can adjust the dimensions to fit different cup sizes and Shimmer models.

Here's a breakdown of what I need, and some parameters I'd like to be able to adjust:

*   **Cup Holder Base:**
    *   Cylindrical shape.
    *   Adjustable `CHradius1` (cup holder radius)
    *   Adjustable `wall` thickness.
    *   Adjustable overall height `h` of the base.
    *   A recessed area for the Shimmer sensor. This should have dimensions based on the `ShimmerL`, `ShimmerW`, and `ShimmerH` parameters. The recess should have rounded ends on the long edges of the rectangle, with radius `(1-delta)/2`, and a length of `ShimmerBrL`.
    *   The Shimmer recess should be positioned with its bottom starting at `wall` above the base's bottom surface.
    *   The Shimmer recess should have the rounded ends, but it should be a subtraction, not a union, to carve out the space for the sensor.
    *   A small 'pusher gap' to allow for easy removal of the shimmer device. This should be a cylinder (with a corresponding subtraction box).
*   **Cogwatch Interface:**
    *   This needs to be a male interface on top of the cup holder base, so I can screw other things on top, including a female Cogwatch interface if needed.
    *   Adjustable `interfaceH` (interface height), `interfaceD` (interface diameter) and `interfaceT` (thread pitch) parameters.
    *   It should be a true thread, not a just a cylinder with a texture. The code should use the `metric_thread` function, but I'm expecting you to generate that (or a similar) function yourself using a polyhedron.

*   **Parameters to include:**
    *   `CHradius1`: Cup holder radius (diameter/2).
    *   `wall`: Wall thickness of the cup holder.
    *   `h`: Height of the cup holder base.
    *   `ShimmerL`: Shimmer sensor length.
    *   `ShimmerW`: Shimmer sensor width.
    *   `ShimmerH`: Shimmer sensor height.
	*   `ShimmerBrL`: Shimmer rounded rectangle length.
    *   `interfaceH`: Cogwatch interface height.
    *   `interfaceD`: Cogwatch interface diameter.
    *   `interfaceT`: Cogwatch interface thread pitch.
    *   `pushGap`: Pusher gap diameter.
    *   `interfaceSpace`: Space between threads and base.
    *   `t`: Tolerance for the screw threads.
    *   `delta`: Small dimensional adjustment for tolerances.

I'd like all of this in a single OpenSCAD file, for now at least. Please include comments to explain what each section does. I'm not using any external libraries right now.

[Assistant]
ShimmerCoaster.scad:
```

//Cup holder radius (diameter/2) (mm)
CHradius1=30;

//Tolerance, adjust accordingly to your printer
t=0.6;

/*[Advanced]*/
//wall parameter used in cupholder
wall = 2;
//finger gap width (mm)
pushGap=22;

/*
 * Dan Kirshner - dan_kirshner@yahoo.com
 *
 * You are welcome to make free use of this software.  Retention of my
 * authorship credit would be appreciated.
 *
 * Version 1.4.  2014-10-17   Use "faces" instead of "triangles" for polyhedron
 * Version 1.3.  2013-12-01   Correct loop over turns -- don't have early cut-off
 * Version 1.2.  2012-09-09   Use discrete polyhedra rather than linear_extrude()
 * Version 1.1.  2012-09-07   Corrected to right-hand threads!
 */

//english_thread(1/4, 20, 1);

// Rohloff hub thread:
//metric_thread(34, 1, 10, internal=true, n_starts=6);

// ----------------------------------------------------------------------------
function segments(diameter) = min(50, ceil(diameter*6));

// ----------------------------------------------------------------------------
// internal - true = clearances for internal thread (e.g., a nut).
//            false = clearances for external thread (e.g., a bolt).
//            (Internal threads should be "cut out" from a solid using
//            difference()).
// n_starts - Number of thread starts (e.g., DNA, a "double helix," has
//            n_starts=2).  See wikipedia Screw_thread.
module metric_thread(diameter=8, pitch=1, length=1, internal=false, n_starts=1)
{
   // Number of turns needed.
   n_turns = floor(length/pitch);
   n_segments = segments(diameter);
   h = pitch * cos(30);

   union() {
      intersection() {
         // Start one below z = 0.  Gives an extra turn at each end.
         for (i=[-1*n_starts : n_turns+1]) {
            translate([0, 0, i*pitch]) {
               metric_thread_turn(diameter, pitch, internal, n_starts);
            }
         }

         // Cut to length.
         translate([0, 0, length/2]) {
            cube([diameter*1.1, diameter*1.1, length], center=true);
         }
      }

      // Solid center, including Dmin truncation.
      if (internal) {
         cylinder(r=diameter/2 - h*5/8, h=length, $fn=n_segments);
      } else {

         // External thread includes additional relief.
         cylinder(r=diameter/2 - h*5.3/8, h=length, $fn=n_segments);
      }
   }
}

// ----------------------------------------------------------------------------
module metric_thread_turn(diameter, pitch, internal, n_starts)
{
   n_segments = segments(diameter);
   fraction_circle = 1.0/n_segments;
   for (i=[0 : n_segments-1]) {
      rotate([0, 0, i*360*fraction_circle]) {
         translate([0, 0, i*n_starts*pitch*fraction_circle]) {
            thread_polyhedron(diameter/2, pitch, internal, n_starts);
         }
      }
   }
}

// ----------------------------------------------------------------------------
// z (see diagram) as function of current radius.
// (Only good for first half-pitch.)
function z_fct(current_radius, radius, pitch)
   = 0.5*(current_radius - (radius - 0.875*pitch*cos(30)))
                                                       /cos(30);

// ----------------------------------------------------------------------------
module thread_polyhedron(radius, pitch, internal, n_starts)
{
   n_segments = segments(radius*2);
   fraction_circle = 1.0/n_segments;

   h = pitch * cos(30);
   outer_r = radius + (internal ? h/20 : 0); // Adds internal relief.
   //echo(str("outer_r: ", outer_r));

   inner_r = radius - 0.875*h; // Does NOT do Dmin_truncation - do later with
                               // cylinder.

   // Make these just slightly bigger (keep in proportion) so polyhedra will
   // overlap.
   x_incr_outer = outer_r * fraction_circle * 2 * PI * 1.005;
   x_incr_inner = inner_r * fraction_circle * 2 * PI * 1.005;
   z_incr = n_starts * pitch * fraction_circle * 1.005;

   /*
    (angles x0 and x3 inner are actually 60 deg)

                          /\  (x2_inner, z2_inner) [2]
                         /  \
   (x3_inner, z3_inner) /    \
                  [3]   \     \
                        |\     \ (x2_outer, z2_outer) [6]
                        | \    /
                        |  \  /|
             z          |[7]\/ / (x1_outer, z1_outer) [5]
             |          |   | /
             |   x      |   |/
             |  /       |   / (x0_outer, z0_outer) [4]
             | /        |  /     (behind: (x1_inner, z1_inner) [1]
             |/         | /
    y________|          |/
   (r)                  / (x0_inner, z0_inner) [0]

   */

   x1_outer = outer_r * fraction_circle * 2 * PI;

   z0_outer = z_fct(outer_r, radius, pitch);
   //echo(str("z0_outer: ", z0_outer));

   //polygon([[inner_r, 0], [outer_r, z0_outer],
   //        [outer_r, 0.5*pitch], [inner_r, 0.5*pitch]]);
   z1_outer = z0_outer + z_incr;

   // Rule for face ordering: look at polyhedron from outside: points must
   // be in clockwise order.
   polyhedron(
      points = [
                [-x_incr_inner/2, -inner_r, 0],                        // [0]
                [x_incr_inner/2, -inner_r, z_incr],                    // [1]
                [x_incr_inner/2, -inner_r, pitch + z_incr],            // [2]
                [-x_incr_inner/2, -inner_r, pitch],                    // [3]

                [-x_incr_outer/2, -outer_r, z0_outer],                 // [4]
                [x_incr_outer/2, -outer_r, z0_outer + z_incr],         // [5]
                [x_incr_outer/2, -outer_r, pitch - z0_outer + z_incr], // [6]
                [-x_incr_outer/2, -outer_r, pitch - z0_outer]          // [7]
               ],

      faces = [
                [0, 3, 7, 4],  // This-side trapezoid

                [1, 5, 6, 2],  // Back-side trapezoid

                [0, 1, 2, 3],  // Inner rectangle

                [4, 7, 6, 5],  // Outer rectangle

                // These are not planar, so do with separate triangles.
                [7, 2, 6],     // Upper rectangle, bottom
                [7, 3, 2],     // Upper rectangle, top

                [0, 5, 1],     // Lower rectangle, bottom
                [0, 4, 5]      // Lower rectangle, top
               ]
   );
}

module male_interface(interfaceH=5,interfaceD=40,interfaceT=2,interfaceSpace=1, t){
    union(){
         translate([0,0,interfaceSpace])
            metric_thread(interfaceD-t*2, interfaceT, interfaceH);
            cylinder(r=interfaceD/2,h=interfaceSpace);
    }
}

module female_interface(interfaceH=5,interfaceD=40,interfaceT=2,interfaceSpace=1, t){
    union(){
        cylinder(r1=interfaceD/2+interfaceSpace,r2=interfaceD/2,h=interfaceSpace);
        translate([0,0,interfaceSpace])
            metric_thread(interfaceD, interfaceT, interfaceH,internal=true);

    }
}

/*[Shimmer]*/
ShimmerL = 51;
ShimmerW = 34;
ShimmerH = 14.5;
ShimmerBrL = 13.5;

module shimmer(delta=0){
	ht = (ShimmerL - ShimmerBrL)/2;
	difference(){
		cube([ShimmerL+2*delta,ShimmerW+2*delta,ShimmerH+2*delta]);
		translate([ht+delta,0+delta,6+delta]) rotate([0,90,0]) rcylinder(r=(1-delta)/2,h=ShimmerBrL+2*delta);
		translate([ht+delta,ShimmerW+delta,6+delta]) rotate([0,90,0]) rcylinder(r=(1-delta)/2,h=ShimmerBrL+2*delta);
	}
}

module rcylinder(r,h){
	union(){
		translate([0,0,r]) cylinder(r=r,h=h-2*r);
		translate([0,0,r]) sphere(r=r);
		translate([0,0,h-r]) sphere(r=r);
	}

}

module base() {
    r = CHradius1+wall;
    h = 15+ 2*wall;
    delta = 0.3;
    w = ShimmerW + delta*2;
    hh = ShimmerH + delta*2;
    union(){
        difference(){
                cylinder(r=r, h = h,$fn = 100);
                translate([-ShimmerL/2,-ShimmerW/2,wall]) shimmer(delta);
                translate([+ShimmerL/2,-ShimmerW/2,wall]) cube([r,w,hh]);
                translate([-ShimmerL,-ShimmerW/2,wall]) cube([r,w,hh]);
                //Pusher gap
                translate([+15,0,0]) cylinder(r=pushGap/2, h= wall);
                translate([+15,-pushGap/2,0]) cube([r,pushGap,wall]);
        }
        translate([0,0,h]) male_interface(t=t);
    }
}

base();
```