[User]
Hey, I'm looking to make some custom fittings for PVC pipe, and I'd like to have an OpenSCAD library that can handle all the different sizes and schedules. I've seen a few scripts out there, but I'd like something a bit more flexible and parametric.

Specifically, I need to be able to generate:

1.  **Outside Fittings:** These are like the end of a pipe, meant to slide *into* another fitting.
2.  **Inside Fittings:** These are like a sleeve or coupling, meant to receive an *outside* fitting.
3.  **Combined Inside/Outside Fittings:** I'd like to be able to create parts that have both an inner and outer fitting on the same piece.

I need this for both schedule 40 and schedule 80 PVC. It would also be nice to be able to adjust the tightness of the fit, maybe with a parameter like "tightness" that I can set in millimeters. And of course, the pipe size should be parametric, I want to be able to use standard PVC pipe sizes like 1/2", 3/4", 1", and so on, up to at least 16". Length of the fitting should also be a parameter, as well as resolution (number of points per cylinder).

The library should include a module for each type of fitting (outside, inside, and combined), or a single parametric module that handles everything. And it needs to be designed so that boolean operations (like difference or union) can be easily used with the resulting objects.

Could you design an OpenSCAD library for me with these features? I'd like to avoid using any third party libraries if possible for now.

[Assistant]
pvc_pipe.scad:
```
// This generates geometry for creating PVC pipe fittings
// Licenced under Creative Commons: Attribution, Share-Alike
//		http://creativecommons.org/licenses/by-sa/3.0/
// For attribution you can direct people to the original file on thingiverse:
// 		http://www.thingiverse.com/thing:222574

// ================ variables

//CUSTOMIZER VARIABLES

/* [Main] */

// Rated strength
schedule=40; // [40:schedule_40,1:schedule_80]

// Nominal size ("inch")
nom_idx=0; // [0:1/2,1:3/4,2:1,3:1 1/4,4:1 1/2,5:2,6:2 1/2,7:3,8:4,9:5,10:6,11:8,12:10,13:12,14:14,15:16]

// Length in mm
length=35;

// What to generate
generate=1; // [0:outside fitting,1:outside fitting - boolean diff,2:inside fitting,3:inside fitting - boolean diff,4:inside outside,5:inside outside - boolean diff]

// Tightness of fit, in mm (0=tight 0.3=snug 0.6=loose)
tightness=0.3; // 0.0,1.0

// In points per cylinder
resolution=64;

//CUSTOMIZER VARIABLES END
/* [Hidden] */

// =============== calculated variables
$fn=resolution;

// =============== program

// ---- Data
nom_data=["1/2","3/4","1","1 1/4","1 1/2","2","2 1/2","3","4","5","6","8","10","12","14","16"];
sch40id_data=[0.622,0.824,1.049,1.38,1.61,2.067,2.469,3.068,4.026,5.047,6.065,7.981,10.02,11.938,13.124,15];
sch40od_data=[0.84,1.05,1.315,1.66,1.9,2.375,2.875,3.5,4.5,5.563,6.625,8.625,10.75,12.75,14,16];
sch40pvcweight_data=[0.16,0.21,0.32,0.43,0.51,0.68,1.07,1.41,2.01,2.73,3.53,5.39,7.55,10.01,11.8,15.43];
sch40cpvcweight_data=[0.17,0.23,0.34,0.46,0.55,0.74,1.18,1.54,2.2,-1,3.86,5.81,8.24,10.89,-1,-1];
sch80id_data=[0.546,0.742,0.957,1.278,1.5,1.939,2.323,2.9,3.826,4.813,5.761,7.625,9.564,11.376,12.5,14.314];
sch80od_data=[0.84,1.05,1.315,1.66,1.9,2.375,2.875,3.5,4.5,5.563,6.625,8.625,10.75,12.75,14,16];
sch80pvcweight_data=[0.2,0.27,0.41,0.52,0.67,0.95,1.45,1.94,2.75,3.87,5.42,8.05,12,16.5,19.3,25.44];
sch80cpvcweight_data=[0.22,0.3,0.44,0.61,0.74,1.02,1.56,2.09,3.05,-1,5.82,8.83,13.09,18,-1,-1];
thou2mm=25.4;

//---- Functions

/////////////////////////////////////////////////////////
// module create_pvc_component()
// This generates geometry for creating PVC pipe fittings.
// In general, you should use create_pvc() instead because it gives more options.
// schedule = Rated strength (40 or 80)
// nom_idx = Nominal size index as described by nom_data[]
// length - Length in mm
// generate - What to generate:
//		0="outside fitting"
//		1="outside fitting - boolean diff"
//		2="inside fitting"
//		3="inside fitting - boolean diff"
// tightness - Tightness of fit, in mm (0=tight 0.3=snug 0.6=loose)
module create_pvc_component(schedule=40,nom_idx=0,generate=0,tightness=0.02,length=35) {
	dia=
	(thou2mm*(schedule==80 ?
		(generate==0||generate==1?sch80od_data[nom_idx]:sch80id_data[nom_idx])
		:
		(generate==0||generate==1?sch40od_data[nom_idx]:sch40id_data[nom_idx])
	))
	+(generate==2||generate==3?-tightness:tightness);
	echo("========== INFO ==========");
	echo(str("for ",nom_data[nom_idx],"in (nom) pipe"));
	echo(str("created ",dia,"mm dia part"));
	echo(str("including ",(generate==2||generate==3?-tightness:tightness),"mm for fit"));
	echo("==========================");
	// now draw it
	rotate([90,0,0]) if(generate==1||generate==3){
		cylinder(r=dia/2,h=length,center=true);
	}else{
		difference() {
			cube([dia+10,dia+10,length],center=true);
			cylinder(r=dia/2,h=length,center=true);
		}
	}
};

/////////////////////////////////////////////////////////
// module create_pvc()
// This generates geometry for creating PVC pipe fittings.
// Just like create_pvc_component() only adds generate options 4 and 5
// schedule = Rated strength (40 or 80)
// nom_idx = Nominal size index as described by nom_data[]
// length - Length in mm
// generate - What to generate:
//		0="outside fitting"
//		1="outside fitting - boolean diff"
//		2="inside fitting"
//		3="inside fitting - boolean diff"
//		4="inside outside"
//		5="inside outside - boolean diff"
// tightness - Tightness of fit, in mm (0=tight 0.3=snug 0.6=loose)
module create_pvc(schedule=40,nom_idx=0,generate=0,tightness=0.02,length=35) {
	if(generate<=3){
		create_pvc_component(schedule,nom_idx,generate,tightness,length);
	}
	else if(generate==4){
		difference() {
			create_pvc_component(schedule,nom_idx,1,tightness,length);
			create_pvc_component(schedule,nom_idx,3,tightness,length*2);
		}
	}
	else{
		union() {
			create_pvc_component(schedule,nom_idx,0,tightness,length);
			create_pvc_component(schedule,nom_idx,3,tightness,length);
		}
	}
};

//---- The program
create_pvc(schedule,nom_idx,generate,tightness,length);

```


[User]
I'm looking to create a customizable bracket for mounting things to a Velleman K8200 3D printer frame. I've got some basic ideas about the shape and parameters, but I'd like an OpenSCAD file or files to generate it.

Here are the basic features:

*   The bracket should be a rectangular cuboid with a customizable length, width, and thickness.
*   It should have a flat base and a slightly raised portion in the middle.
*   There should be holes for mounting screws. The number of holes should be customizable, and their placement should depend on the bracket's length.
*   The bracket will be attached to the printer frame with M5 screws and nuts.

Here's a breakdown of the customizable parameters I have in mind:

*   `Length`: The overall length of the bracket. I'd like a reasonable range, maybe from 11 to 150 mm.
*   `Thickness`: The thickness of the bracket base. This could range from 1 to 25 mm.
*   `Width`: The width of the bracket base, perhaps from 16 to 80 mm.
*   `Holes`: The number of fixing holes (for screws). This should be configurable to 1, 2, or 3 holes.

Here's how the holes should be placed:
*   If `Holes` is 1, the hole should be centered.
*   If `Holes` is 2, the holes should be placed symmetrically, each at 1/4 of the length from each edge.
*   If `Holes` is 3, one hole should be centered and the other two should be placed symmetrically at 1/3 the length from each edge.
*  The hole depth will be equal to `Thickness + 3.2`. They should have a radius of 2.7mm.

I'd like to include the `build_plate` module from the `utils` library, which is something that I already use. I'm not sure how the library works, so I'd prefer if you handled that aspect.

Could you generate the necessary OpenSCAD code for this?

[Assistant]
K8200_frame_bracket.scad:
```
//	Customizible Frame Bracket For Velleman K8200 3D -Printer
//	for questions and comments go to http://www.thingiverse.com/donboy/message
// use M5 Screw with nut to fix bracket on frame

	include <utils/build_plate.scad>

//CUSTOMIZER VARIABLES

//	of bracket:
Length = 80;	//	[11:150]

//	of bracket base:
Thickness = 4;	//	[1:25]

// of bracket base:
Width=20;		//	[16:80]

// - max. fixing holes (if possible concerning length)
Holes = 2;	//	[1,2,3]

//CUSTOMIZER VARIABLES END

//calc hight of difference holes
$cube_z_diff = Thickness + 3.2;

//calc max no of holes
$holes = ((Length/11) < Holes) ? floor(Length/11) : Holes;//doesn't matter if 0
echo($holes);

build_plate(1,100,100);

//	build bracket
difference(){
	union() {
		translate([0,0,Thickness/2])
		cube([Length, Width, Thickness], center=true);
		translate([0,0,Thickness+0.6])
		cube([Length, 16, 1.2], center=true);
	}

	//calculate hole postion(s)
	translate([0,0,$cube_z_diff/2 -1])
	if($holes != 2){

		//centric hole
		cylinder(r=2.7, h=$cube_z_diff, center = true);

		if($holes == 3){
			translate([-Length/3,0,0])
			cylinder(r=2.7, h=$cube_z_diff, center = true);
			translate([Length/3,0,0])
			cylinder(r=2.7, h=$cube_z_diff, center = true);
		}
	} else {
		translate([-Length/4,0,0])
		cylinder(r=2.7, h=$cube_z_diff, center = true);
		translate([Length/4,0,0])
		cylinder(r=2.7, h=$cube_z_diff, center = true);
	}
}

```


[User]
I need an OpenSCAD design for a customizable angle bracket. The bracket itself should be an L-shape with configurable dimensions. I need to be able to set the overall span of each leg of the 'L', the thickness of the bracket material, and the width of the bracket (which will be the Z-height when extruded).

Additionally, I want to include triangular braces on the inner corner of the L. I need to be able to independently control whether to include a top brace, a bottom brace, or both. These braces should have their own thickness setting. I want to ensure that the brace thickness doesn't interfere with the placement of holes, so it should be constrained by the available space within the bracket.

Finally, I need to include mounting holes on each leg of the bracket. I need to control the diameter of these holes. The position of each hole should be configurable as a percentage of the distance from the inner corner to the outer edge, and I need separate controls for an inner and outer hole position for each leg. It should be possible to center these holes either based on the outer face of the bracket or on the inner face which accounts for braces if present.

Please use standard OpenSCAD libraries, if any are needed, to help with the implementation. Can you generate the OpenSCAD code for this?

[Assistant]
bracket.scad:
```
// preview[view:north east, tilt:top diagonal]

/* [Dimensions] */

span = 80;

bracket_thickness = 5;

bracket_width = 25;

// Brace thickness is limited to prevent obstructing holes.
brace_thickness = 4;

// You may want to re-orient the model before printing if you change which braces are enabled.
top_brace = 0; // [0:Off, 1:On]

bottom_brace = 1; // [0:Off, 1:On]

hole_diameter = 8;

// Position  as a percentage of distance from corner to edge.
inner_hole_position = 20; // [0:100]

// Position as a percentage of distance from corner to edge.
outer_hole_position = 80; // [0:100]

// Select Inner Face to center holes in space available above/between braces.
hole_centering = 0; // [0:Outer Face, 1:Inner Face]

/* [Hidden] */

hole_radius = hole_diameter / 2;
get_bracket_width = max(bracket_width, hole_diameter);
get_brace_thickness = min(brace_thickness, bracket_width/2 - hole_radius);
get_inner_hole_spacing = inner_hole_position / 100;
get_outer_hole_spacing = outer_hole_position / 100;
hole_height = (hole_centering == 0 ? bracket_width/2 :  (bracket_width - (top_brace * get_brace_thickness) - (bottom_brace * get_brace_thickness))/2 + (bottom_brace * get_brace_thickness));

// Bracket points form an "L" shape; [0, 0] is the outer corner of the bracket.
module bracket() {
	linear_extrude(height=get_bracket_width)
		polygon(points=[[0, 0], [span, 0], [span, bracket_thickness], [bracket_thickness, bracket_thickness], [bracket_thickness, span], [0, span]]);
}

// Brace points form a triangle; [bracket_thickness, bracket_thickness] is the inner corner of the bracket.
module brace() {
	linear_extrude(height=get_brace_thickness)
		polygon(points=[[bracket_thickness, bracket_thickness], [span, bracket_thickness], [bracket_thickness, span]]);
}

module hole() {
	cylinder(h = bracket_thickness + 2, r = hole_radius, $fn = 24);
}

module left_hole(spacing) {
	translate([bracket_thickness + hole_radius + (spacing * (span - bracket_thickness - hole_diameter)), -1, hole_height])
		rotate([-90, 0, 0])
			hole();
}

module top_hole(spacing) {
	translate([-1, bracket_thickness + hole_radius + (spacing * (span - bracket_thickness - hole_diameter)), hole_height])
		rotate([0, 90, 0])
			hole();
}

difference() {
	union() {
		bracket();

		if (bottom_brace == 1) {
			brace();
		}

		if (top_brace == 1) {
			translate([0, 0, get_bracket_width - get_brace_thickness]) brace();
		}
	}

	left_hole(get_inner_hole_spacing);
	left_hole(get_outer_hole_spacing);

	top_hole(get_inner_hole_spacing);
	top_hole(get_outer_hole_spacing);
}

```


[User]
Hi, I'd like to design a customizable love lock, similar to the ones people put on bridges. I'm thinking a heart-shaped body with a shackle that clicks into place and can't be reopened. I'd also like to be able to put some personalized text on the heart.

Here are the specifics:

*   **Shape:** The main body should be a heart shape. I've got the basic polygon for it (or I can get it from a tool if needed), but I'd like it extruded to give it some thickness.
*   **Locking Mechanism:** The shackle should be a curved piece that snaps into the heart and locks permanently. I was thinking of a mechanism with two posts on the inside of the heart that the shackle clicks into once and can't be undone.
*   **Text:** I'd like to add text to the front of the heart. It should be customizable, including the text itself, its position (x,y) on the heart, size, spacing, and even the font.
*   **Parametric:** It should be fully parametric, so I can adjust things like the heart's dimensions, the shackle's size, and the text parameters.
*   **Libraries:** I will need the `write/Write.scad` library for the text functionality. I've got that one already so you don't need to provide the source for it. Please ensure your code is using this library for drawing the text.

Could you generate the OpenSCAD code for this? I'm not worried about optimizing for printability at this point, just getting the design parametric and correct. I can tweak the code for that later.

[Assistant]
padlock.scad:
```
// onetime padlock

use <write/Write.scad>

/* [Global] */

text="R+T";
position_x=20; // [-100:100]
position_y=15; // [-100:100]
text_size=18; // [5:25]
letter_space=10; //[5:20]
text_font="knewave.dxf"; //[write/knewave.dxf:Knewave,write/orbitron.dxf:Orbitron,write/Letters.dxf:Letters,write/BlackRose.dxf:BlackRose,write/braille.dxf:Braille]

module herz(h) //heart
{
  scale([1, -1, 1]) union()
  {
    linear_extrude(height=h)
      polygon([[0.000000,20.999850],[-6.291700,20.999850],[-7.666345,20.936866],[-8.461288,20.654075],[-9.072686,20.010722],[-9.896700,18.866050],[-13.123945,14.737206],[-16.349416,10.823645],[-19.318916,7.033228],[-21.778250,3.273812],[-22.737168,1.376936],[-23.473221,-0.546742],[-23.954635,-2.508740],[-24.149634,-4.520577],[-24.026445,-6.593768],[-23.553293,-8.739832],[-22.698402,-10.970287],[-21.430000,-13.296650],[-20.625525,-14.389767],[-19.659381,-15.368673],[-18.550929,-16.226612],[-17.319530,-16.956823],[-15.984543,-17.552550],[-14.565329,-18.007034],[-13.081249,-18.313516],[-11.551663,-18.465238],[-9.995930,-18.455441],[-8.433413,-18.277368],[-6.883471,-17.924259],[-5.365464,-17.389358],[-3.898753,-16.665904],[-2.502699,-15.747141],[-1.196661,-14.626309],[0.000000,-13.296650],[1.196660,-14.626309],[2.502695,-15.747141],[3.898745,-16.665904],[5.365450,-17.389358],[6.883451,-17.924259],[8.433387,-18.277368],[9.995898,-18.455441],[11.551625,-18.465238],[13.081207,-18.313516],[14.565285,-18.007034],[15.984499,-17.552550],[17.319487,-16.956823],[18.550892,-16.226612],[19.659352,-15.368673],[20.625508,-14.389767],[21.430000,-13.296650],[22.698402,-10.970271],[23.553293,-8.739804],[24.026445,-6.593731],[24.149634,-4.520534],[23.954635,-2.508696],[23.473221,-0.546698],[22.737168,1.376978],[21.778250,3.273850],[19.318916,7.033254],[16.349416,10.823659],[13.123945,14.737210],[9.896700,18.866050],[9.072686,20.010722],[8.461288,20.654075],[7.666345,20.936866],[6.291700,20.999850],[0.000000,20.999850]]);
  }
}

module luecke(h) //distance
{
  scale([1, -1, 1]) union()
  {
    linear_extrude(height=h)
      polygon([[13.930000,6.381850],[9.930000,6.381850],[9.930000,10.881850],[3.930000,10.881850],[3.930000,-9.118150],[8.930000,-14.118150],[13.930000,-14.118150],[13.930000,6.381850]]);
    linear_extrude(height=h)
      polygon([[-13.930000,6.381850],[-9.930000,6.381850],[-9.930000,10.881850],[-3.930000,10.881850],[-3.930000,-9.118150],[-8.930000,-14.118150],[-13.930000,-14.118150],[-13.930000,6.381850]]);
  }
}

module klick(h) //clickpin
{
  scale([1, -1, 1]) union()
  {
    linear_extrude(height=h)
      polygon([[-8.930000,-18.351150],[-8.930000,-14.117750],[-3.930000,-9.117750],[-3.930000,10.882250],[-6.930000,10.882250],[-6.930000,-4.117750],[-6.930000,-8.117750],[-8.930000,-6.117750],[-10.930000,-4.117750],[-8.930000,-4.117750],[-8.930000,3.882250],[-8.930000,10.882250],[-9.930000,10.882250],[-9.930000,6.382250],[-13.930000,6.382250],[-13.930000,5.882250],[-13.930000,-14.117750],[-13.930000,-18.156650],[-13.930000,-20.999850],[-8.930000,-20.999850],[-8.930000,-18.351150]]);
    linear_extrude(height=h)
      polygon([[8.930000,-20.999850],[13.930000,-20.999850],[13.930000,-18.156550],[13.930000,-14.117750],[13.930000,5.882250],[13.930000,6.382250],[9.930000,6.382250],[9.930000,10.882250],[8.930000,10.882250],[8.930000,3.882250],[8.930000,-4.117750],[10.930000,-4.117750],[8.930000,-6.117750],[6.930000,-8.117750],[6.930000,-4.117750],[6.930000,10.882250],[3.930000,10.882250],[3.930000,-9.117750],[8.930000,-14.117750],[8.930000,-18.351150],[8.930000,-20.999850]]);
  }
}

module buegel(h) //shackle
{
  scale([1, -1, 1]) union()
  {
    linear_extrude(height=h)
      polygon([[-11.054300,19.036000],[-13.630000,19.036000],[-13.630000,-20.820000],[-13.612300,-21.526000],[-13.559600,-22.218000],[-13.472900,-22.900000],[-13.353000,-23.571000],[-13.200900,-24.230000],[-13.017200,-24.877000],[-12.803000,-25.510000],[-12.558800,-26.129000],[-12.285900,-26.733000],[-11.984900,-27.320000],[-11.656800,-27.891000],[-11.302000,-28.444000],[-10.922100,-28.979000],[-10.517400,-29.493000],[-10.088900,-29.988000],[-9.637300,-30.461000],[-9.163900,-30.913000],[-8.669400,-31.341000],[-8.154500,-31.746000],[-7.619900,-32.126000],[-7.067000,-32.481000],[-6.496300,-32.809000],[-5.908700,-33.110000],[-5.304800,-33.383000],[-4.686100,-33.627000],[-4.053000,-33.841000],[-3.406400,-34.025000],[-2.746900,-34.177000],[-2.075900,-34.297000],[-1.393800,-34.384000],[-0.701600,-34.436000],[0.000000,-34.454000],[0.701300,-34.436000],[1.393500,-34.384000],[2.075500,-34.297000],[2.746600,-34.177000],[3.405700,-34.025000],[4.052500,-33.841000],[4.685600,-33.627000],[5.304600,-33.383000],[5.908200,-33.110000],[6.495800,-32.809000],[7.066500,-32.481000],[7.619600,-32.126000],[8.154000,-31.746000],[8.669000,-31.341000],[9.163600,-30.913000],[9.637200,-30.461000],[10.088400,-29.988000],[10.517000,-29.493000],[10.921600,-28.979000],[11.301700,-28.444000],[11.656200,-27.891000],[11.984500,-27.320000],[12.285500,-26.733000],[12.558600,-26.129000],[12.802500,-25.510000],[13.016800,-24.877000],[13.200500,-24.230000],[13.352800,-23.571000],[13.472500,-22.900000],[13.559300,-22.218000],[13.612000,-21.526000],[13.630000,-20.820000],[13.630000,19.036000],[11.054300,19.036000],[9.230000,17.212000],[9.230000,10.061000],[9.282500,10.086000],[9.488200,10.150000],[9.709400,10.190000],[9.943600,10.204000],[10.175600,10.190000],[10.395100,10.151000],[10.599400,10.088000],[10.786100,10.000000],[10.951700,9.886000],[11.091300,9.742000],[11.192400,9.561000],[11.229000,9.377000],[11.233300,9.215000],[9.230000,7.212000],[9.230000,-20.828000],[9.217800,-21.299000],[9.182300,-21.767000],[9.123500,-22.229000],[9.042400,-22.684000],[8.939100,-23.131000],[8.814700,-23.569000],[8.669500,-23.998000],[8.504300,-24.417000],[8.319200,-24.826000],[8.115400,-25.224000],[7.893100,-25.610000],[7.653100,-25.985000],[7.395700,-26.347000],[7.121700,-26.695000],[6.831700,-27.030000],[6.526200,-27.350000],[6.205400,-27.656000],[5.870600,-27.946000],[5.521900,-28.220000],[5.160200,-28.477000],[4.785500,-28.718000],[4.399100,-28.940000],[4.001100,-29.144000],[3.592300,-29.329000],[3.173000,-29.494000],[2.744000,-29.639000],[2.306000,-29.764000],[1.859500,-29.867000],[1.404900,-29.948000],[0.942900,-30.006000],[0.474300,-30.042000],[0.000000,-30.054000],[-0.474600,-30.042000],[-0.943200,-30.006000],[-1.405200,-29.948000],[-1.859800,-29.867000],[-2.306500,-29.764000],[-2.744400,-29.639000],[-3.173500,-29.494000],[-3.592600,-29.329000],[-4.001600,-29.144000],[-4.399700,-28.940000],[-4.786300,-28.718000],[-5.160600,-28.477000],[-5.522400,-28.220000],[-5.871000,-27.946000],[-6.205900,-27.656000],[-6.526300,-27.350000],[-6.831900,-27.030000],[-7.122000,-26.695000],[-7.396100,-26.347000],[-7.653300,-25.985000],[-7.893500,-25.610000],[-8.115800,-25.224000],[-8.319700,-24.826000],[-8.504600,-24.417000],[-8.670000,-23.998000],[-8.815100,-23.569000],[-8.939600,-23.131000],[-9.042700,-22.684000],[-9.124000,-22.229000],[-9.182600,-21.767000],[-9.218100,-21.299000],[-9.230000,-20.828000],[-9.230000,7.212000],[-11.233300,9.215000],[-11.229000,9.377000],[-11.192700,9.561000],[-11.091500,9.742000],[-10.952200,9.886000],[-10.786300,10.000000],[-10.599900,10.088000],[-10.395400,10.151000],[-10.175900,10.190000],[-9.943600,10.204000],[-9.709700,10.190000],[-9.488300,10.150000],[-9.282800,10.086000],[-9.230000,10.061000],[-9.230000,17.212000]]);
  }
}

//Body
color("red") translate([0,4.5,42.0/2.0]) rotate([90,0,0]) union()
{
difference()
	{
	translate([0,0,0]) herz(9);
	union()
		{
		translate([0,0,1]) luecke(1);
		translate([0,0,2]) klick(5);
		translate([0,0,7]) luecke(1);
		}
	}
}
color("yellow") translate([0+position_x/10,-5,42.0/2.0++position_y/10]) rotate([90,0,0]) write(text,t=1,h=text_size,font=text_font,space=letter_space/10,center=true);

//shackle
color("yellow") rotate([0,0,90]) buegel(4.3);

```


[User]
Hi, I'm looking to create a modular chessboard using OpenSCAD, and I'd like it to be parametric so I can easily adjust the size. I'm thinking it should be made of 4x4 square sections that interlock, and then I can arrange those sections to make a full board, or larger if I want.

Here are the details:
*   **Board Size:** I want to specify the overall size of a single 8x8 board (e.g., 220mm), and have the individual square size calculated automatically from that. The board will consist of 4 4x4 sub-boards, which can be interlocked.
*   **Thickness:**  The board should have a specified thickness (e.g., 5mm).
*   **Interlocking:** The 4x4 sections should have an overlap so the boards lock together, like the attached example, including notches on edges.
*   **Tolerance:** I need a small tolerance (e.g. 0.5mm) built in for easy fit so it's not a super tight lockup.
*   **Monogram:** I'd also like a small monogram (doesn't need to be the exact one shown) on the corner of each of the 4x4 sub-boards for orientation purposes. It should be slightly raised from the top surface.

Could you create the necessary OpenSCAD files for me? The individual 4x4 modules will all be the same, so you don't need to create multiple modules. I'm thinking it should be designed to take in a few variables to easily adjust things: `size`, `T` (thickness), `overlap`, and `tol` (tolerance).  I'm also going to need functions or modules for the individual notches and the interlocking method you use, so I can reuse those in the future. I don't have a strong preference, but if you need a math or utility library, the BOSL library seems like it could be handy. Please include that. Thanks!

[Assistant]
chessboard.scad:
```
// chess board

// size of 8x8 chess board
size=220;
// thickness of board
T=5;
// overlap between squares
overlap=2;
// tolerance for easy fit
tol=0.5;

L=(size-overlap)/8;

translate(2*L*[-1,-1,0])4x4();
*assembly();

module assembly(){
	4x4();
	rotate([0,0,180])4x4();
	translate([-4*L,0,0])4x4();
	translate([0,-4*L,0])4x4();
}

module 4x4()
difference(){
	linear_extrude(height=T)translate(-overlap/2*[1,1])difference(){
		for(i=[0:3],j=[0:3])if((i+j)%2==0)translate([i*L,j*L])square(L+overlap);
		notches2();
		translate((L*4+overlap)*[1,1])mirror([1,1])notches2();
	}
	translate([overlap+tol,overlap+tol,T])monogram();
}

module notches2(){
	notch();
	notches();
	mirror([1,-1])notches();
}

module notches(){
	translate([2*L,0])notch();
	translate([L+overlap,0])mirror([1,0])notch();
	translate([3*L+overlap,0])mirror([1,0])notch();
}

module notch()
translate([tol/2,0])difference(){
	square(2*overlap+tol*sqrt(2),center=true);
	rotate(-45)translate([0,-2*overlap])square(overlap*4);
}

module monogram(h=1)
linear_extrude(height=h,center=true)
union(){
	difference(){
		square([4,5]);
		translate([1,1])square([2,3]);
	}
	square([6,1]);
	translate([0,2])square([2,1]);
}
```


[User]
I'm looking to design a parametric phone holder that clips into the air vent of my 2013-2014 Mazda CX-5. I've got an idea of how the pieces should fit together, but I need help generating the OpenSCAD code for it. I've previously tried to work with the Customizer, but I'm finding that I need to have all of my STL files converted before that will work. It would be great to just work with the SCAD files and avoid those steps.

Essentially, the design will have two main parts: one part that clips onto the car's vent, and another part that adjusts to hold different sized phones. The vent part will be static; the phone holding part will be parametric.

For the phone holding section, I need to be able to customize two things: the width of the phone and the thickness of the phone. The width should be adjustable between 60 and 75mm, while the thickness needs to handle phones from 5mm to 17mm.

The phone holder will have several components that are offset from each other. I'm imagining that it will be beneficial to have four separate .scad files: `mazda_vent.scad`, `phone_side_l.scad`, `phone_side_r.scad`, `phone_back.scad`. It would be great if all four of these files were parametric. I need the final product to look relatively similar to the design above. Let's call the main file `mazda_iphone_holder.scad`.

I think I will need to use a linear extrusion method to build my parts. Since the Mazda vent clip is fairly involved, could we focus first on getting the phone holder itself working with parameters for the phone width and phone thickness before worrying about the vent component?

For the phone side pieces, I'd like them to have a lip that juts inward and stops the phone from moving forward through the holder. And the phone back needs to have a matching lip. Could you also ensure the phone side pieces are doubled up for wider phones, with each of the sides shifting outward?

I'd like to use the BOSL2 library for this.

[Assistant]
Mazda_iPhone_Holder.scad:
```
// variable description
Phone_W_Input = 65; // 60 to 75mm
Phone_T_Input = 9.5; // 5 to 17mm

W_Shift = Phone_W_Input - 65;
T_Shift = Phone_T_Input - 9.5;

union(){
	translate([0,-40,0])import("openSCAD1.stl", convexity = 5);

	if (W_Shift <= 0){
		translate([23+W_Shift,-40,0])import("openSCAD2.stl", convexity = 5);
	}

	if (W_Shift > 0){
		translate([23,-40,0])import("openSCAD2.stl", convexity = 5);
		translate([23+W_Shift,-40,0])import("openSCAD2.stl", convexity = 5);
	}

	translate([33+W_Shift,-40,0])import("openSCAD3.stl", convexity = 5);
}

union(){
	translate([-60,-40,0])import("openSCAD4.stl", convexity = 5);

	if (T_Shift > 0){
		translate([-60,-40,3])import("openSCAD5.stl", convexity = 5);
	}

	translate([-60,-40,T_Shift])import("openSCAD6.stl", convexity = 5);
}

```


[User]
Hi! I'm working on a project that needs some custom o-rings, and I found this OpenSCAD script that's pretty close to what I need, but I'd like to build something similar from scratch that's more flexible and better organized for my own workflow. I'd like you to design some parametric OpenSCAD files that can generate o-rings, and also create the molds for them. Here's a breakdown of what I'm looking for, based on the script I was looking at:

**Core Functionality:**

*   **O-ring Generation:** I need to be able to specify the o-ring dimensions in a few ways. Primarily, I'd want to input either:
    *   Outside diameter and cross-sectional diameter, *or*
    *   Inside diameter and outside diameter.
    The script also has a `minionizing_cross_section` parameter for slightly lengthening the o-ring on the z-axis, which I'd also like to include.

*   **Units:** I'd like to be able to choose the units for these dimensions. The script used millimeters (mm), centimeters (cm), inches (in), and thousandths of an inch (thou). I'd like to support these options as well.

*   **Undersizing:** The script had this idea of "undersizing" the o-ring, to account for stretching. This parameter would specify the amount to undersize in the chosen units, while also recalculating the cross sectional diameter to account for volume conservation. I'd like to include this as well.

*   **Level of Detail:** The script also uses `$fn` to control the level of detail for the o-ring. This is great to have.

**Mold Generation:**

*   **Mold Halves:** The script also allows for generating molds. The mold has a bottom half, and a top half with a sprue.
*   **Mold Perimeter:** I need to be able to specify how thick the walls around the o-ring are using a `mold_perimeter` parameter.
*   **Fill/Vent Holes:** It also had mold fill/vent holes of a certain size, using a `mold_hole_size` parameter.
*   **Riser Height:** The top mold has a riser, the height of which should be adjustable through a `riser_height` parameter.
*   **Sprue Thickness:** I'd like to control the thickness of the sprue using a `sprue_thickness` parameter.
*   **Mold Key:** The script also includes a key in the mold design. I'd like to keep this.

**Modularity & Organization:**

*   I think it would be good to break this down into multiple modules.
*   A core module that takes parameters for a simple toroid (like `_o_ring_B()` in the example) would be helpful, as well as a module that can create a properly-sized o-ring based on inputs (like `_o_ring_A()`).
*   I'd like a single function that takes all the parameters, and a goal parameter to generate either the o-ring, the mold bottom or the mold top.
*   I'd like to have the same parameter options available at all levels, not having some options only available at some levels.

Essentially, I'd like to recreate the functionality of the provided script, but with more modular, more readable code. I don't need any special libraries besides the built-in OpenSCAD primitives.  Can you please create these files?

[Assistant]
o_ring_v1.1.scad:
```
// This generates o-rings
// Licenced under Creative Commons: Attribution, Share-Alike
//		http://creativecommons.org/licenses/by-sa/3.0/
// For attribution you can direct people to the original file on thingiverse:
// 		http://www.thingiverse.com/thing:225603
//
// For more than you ever wanted to know about O-rings, check out:
//		http://www.allsealsinc.com/ParcoO-RingSizeChart.pdf

// ================ variables

//CUSTOMIZER VARIABLES

/* [Main] */

// What do you want to create?
goal=0; // [0:"the o-ring itsself",1:"o-ring mold bottom",2:"o-ring mold top"]

// What units your measurements are in (experimental)
units=0; // [0:"mm",1:"cm",2:"in",3:"thou"]

// Please specify this and cross sectional diameter OR inside diameter NOT BOTH
outside_diameter=40;

// Please specify this OR inside diameter NOT BOTH
cross_sectional_diameter=3;

// Please specify this OR cross sectional diameter NOT BOTH
inside_diameter=-1;

// Lengthen the o ring along the z axis this much more. This is to prevent "rubber band" curling when in use.  (May mess up "undersizing" slightly when both are used.)
minionizing_cross_section=0;

// Make the o-ring diameter this much (in selected units) undersized. This is different than changing the id/od because it also accounts for streach volume.
undersizing=0;

// Level of detail. (Cranking this up makes a nice model, but makes rendering very slow!)
$fn=60; // [30:150]

/* [Mold settings] */

// How thick(mm) the walls arount the part are.
mold_perimeter=5;

// The size(mm) of the mold fill/vent holes.
mold_hole_size=4;

// The height(mm) of the inlet riser for the top mold.
riser_height=15;

// The inlet size(mm). Increase for more viscous rubber, decrease for less cleanup.
sprue_thickness=0.5;

//CUSTOMIZER VARIABLES END
module dummy() {};

// =============== program

// ---- Data
units_names=["mm","cm","in","thou"];
units_conversion=[1.0,10.0,25.4,0.0254];

//---- Functions

// converts using the global "units" value or whatever is specified
function tomm(u,t_units=-1) = u*units_conversion[t_units<0?units:t_units];
function fn_inside_diameter(inside_diameter,outside_diameter,cross_sectional_diameter) = ((inside_diameter>0)?(inside_diameter):(outside_diameter-(cross_sectional_diameter/2)));
function fn_cross_sectional_diameter(inside_diameter,outside_diameter,cross_sectional_diameter) = ((inside_diameter>0)?((outside_diameter-inside_diameter)*2):(cross_sectional_diameter));

/////////////////////////////////////////////////////////
// module _o_ring_B()
// actually generates the geometry
// use create_o_ring instead.  This is just a helper.
/////////////////////////////////////////////////////////
module _o_ring_B (outside_diameter=40,cross_sectional_diameter=3,minionizing_cross_section=0) {
	echo(str("final cross_sectional_diameter=",cross_sectional_diameter));
	rotate_extrude() translate([(outside_diameter-(cross_sectional_diameter/2))/2,0,0]) if (minionizing_cross_section>0) {
		union() {
			translate([0,minionizing_cross_section/2,0]) circle(r=cross_sectional_diameter/2);
			square([cross_sectional_diameter,minionizing_cross_section],center=true);
			translate([0,-minionizing_cross_section/2,0]) circle(r=cross_sectional_diameter/2);
		}
	} else {
		circle(r=cross_sectional_diameter/2);
	}
};

/////////////////////////////////////////////////////////
// module _o_ring_A()
// accounts for undersizing using delta-volume between stretched and relaxed state
// use create_o_ring instead.  This is just a helper.
/////////////////////////////////////////////////////////
module _o_ring_A (outside_diameter=40,cross_sectional_diameter=3,minionizing_cross_section=0,undersizing=0) {
		if(undersizing>0) {
			// Hint: volume of a torus is 2*PI^2*R*r^2
			// So for the same volume, that means: R1*r1^2=R2*r2^2
			// or, r2=sqrt(R1*r1^2/R2)
			echo(str("cross_sectional_diameter=",cross_sectional_diameter));
			_o_ring_B(outside_diameter-undersizing,
				2*sqrt(
					(((outside_diameter-(cross_sectional_diameter)/2)/2)
					*
					pow(cross_sectional_diameter/2,2))
					/
					(((outside_diameter-undersizing)-(cross_sectional_diameter)/2)/2)
				),minionizing_cross_section);
		}else{
			_o_ring_B(outside_diameter,cross_sectional_diameter,minionizing_cross_section);
		}
};

/////////////////////////////////////////////////////////
// module create_o_ring()
// units - Whether you are measuring is mm or .thou
// outside_diameter - Please specify this and cross sectional diameter OR inside diameter NOT BOTH
// cross_sectional_diameter - Please specify this OR inside diameter NOT BOTH
// inside_diameter - Please specify this OR cross sectional diameter NOT BOTH
// minionizing_cross_section - This is used for widening the o ring along the z axis to prevent twisting
// undersizing - Make the o-ring diameter this much undersize (this is different than changing the id/od because it also accounts for streach volume)
/////////////////////////////////////////////////////////
module create_o_ring (units=0,outside_diameter=40,cross_sectional_diameter=3,inside_diameter=-1,minionizing_cross_section=0,undersizing=0) {
		if(inside_diameter>0) {
			_o_ring_A(tomm(outside_diameter,units),tomm((outside_diameter-inside_diameter)/2,units),tomm(minionizing_cross_section,units),tomm(undersizing,units));
		}else{
			_o_ring_A(tomm(outside_diameter,units),tomm(cross_sectional_diameter,units),tomm(minionizing_cross_section,units),tomm(undersizing,units));
		}
};

/////////////////////////////////////////////////////////
// module o_ringer()
// same as create_o_ring() but adds the ability to create molds
// goal - [0:"the o-ring itsself",1:"o-ring mold bottom",2:"o-ring mold top"]
// units - Whether you are measuring is mm or .thou
// outside_diameter - Please specify this and cross sectional diameter OR inside diameter NOT BOTH
// cross_sectional_diameter - Please specify this OR inside diameter NOT BOTH
// inside_diameter - Please specify this OR cross sectional diameter NOT BOTH
// minionizing_cross_section - This is used for widening the o ring along the z axis to prevent twisting
// undersizing - Make the o-ring diameter this much undersize (this is different than changing the id/od because it also accounts for streach volume)
// mold_perimeter - How thick(mm) the walls arount the part are.
// mold_hole_size - The size(mm) of the mold fill/vent holes.
// riser_height - The height(mm) of the inlet riser for the top mold.
// sprue_thickness - The inlet size(mm). Increase for more viscous rubber, decrease for less cleanup.
/////////////////////////////////////////////////////////
module o_ringer(goal=0,units=0,outside_diameter=40,cross_sectional_diameter=3,inside_diameter=-1,minionizing_cross_section=0,undersizing=0,mold_perimeter=5,mold_hole_size=4,riser_height=15,sprue_thickness=0.5)
{
	if(goal==0){
		create_o_ring(units,outside_diameter,cross_sectional_diameter,inside_diameter,minionizing_cross_section,undersizing);
	}else if(goal==1){ // mold bottom half
		difference(){
			translate([0,0,-tomm(minionizing_cross_section,units)]) union() {
				translate([
					-(tomm(outside_diameter,units)+mold_perimeter)/2,
					-(tomm(outside_diameter,units)+mold_perimeter)/2,
					(-cross_sectional_diameter/2)-(fn_cross_sectional_diameter(inside_diameter,outside_diameter,cross_sectional_diameter)/2+(mold_perimeter/2))
					])
					cube([tomm(outside_diameter,units)+mold_perimeter,tomm(outside_diameter,units)+mold_perimeter,fn_cross_sectional_diameter(inside_diameter,outside_diameter,cross_sectional_diameter)+(mold_perimeter/2)+tomm(minionizing_cross_section,units)]);
				// key
				translate([0,0,tomm(minionizing_cross_section,units)]) sphere ([mold_perimeter*4,mold_perimeter*4,mold_perimeter*4]);
			}
			create_o_ring(units,outside_diameter,cross_sectional_diameter,inside_diameter,minionizing_cross_section,undersizing);
		}
	}else{ // mold top half
		rotate([180,0,0]) difference(){
			union() {
				translate([
					-(tomm(outside_diameter,units)+mold_perimeter)/2,
					-(tomm(outside_diameter,units)+mold_perimeter)/2,
					(-cross_sectional_diameter/2)+(-fn_cross_sectional_diameter(inside_diameter,outside_diameter,cross_sectional_diameter)/2+(mold_perimeter/2))
					])
					//cylinder(d=tomm(outside_diameter,units)+mold_perimeter,$fs=6);
					cube([tomm(outside_diameter,units)+mold_perimeter,tomm(outside_diameter,units)+mold_perimeter,fn_cross_sectional_diameter(inside_diameter,outside_diameter,cross_sectional_diameter)+(mold_perimeter/2)]);
				// inlet riser
				translate([(fn_inside_diameter(inside_diameter,outside_diameter,cross_sectional_diameter)/2-((mold_hole_size+fn_cross_sectional_diameter(inside_diameter,outside_diameter,cross_sectional_diameter))/2))-(mold_hole_size/2)+(mold_perimeter/2),0,0]) cylinder(r=(mold_hole_size+mold_perimeter)/2,h=riser_height);
			}
			// key hole
			sphere ([mold_perimeter*4,mold_perimeter*4,mold_perimeter*4]);
			// o-ring
			create_o_ring(units,outside_diameter,cross_sectional_diameter,inside_diameter,0,undersizing);
			// inlet hole
			translate([(fn_inside_diameter(inside_diameter,outside_diameter,cross_sectional_diameter)/2-((mold_hole_size+fn_cross_sectional_diameter(inside_diameter,outside_diameter,cross_sectional_diameter))/2)),0,-50]) cylinder(r=mold_hole_size/2,h=100);
			translate([(fn_inside_diameter(inside_diameter,outside_diameter,cross_sectional_diameter)/2-((mold_hole_size+fn_cross_sectional_diameter(inside_diameter,outside_diameter,cross_sectional_diameter))/2)),0,-sprue_thickness]) cylinder(r=(mold_hole_size+fn_cross_sectional_diameter(inside_diameter,outside_diameter,cross_sectional_diameter))/2,h=sprue_thickness);
			// vent hole
			translate([-(fn_inside_diameter(inside_diameter,outside_diameter,cross_sectional_diameter)/2-((mold_hole_size+fn_cross_sectional_diameter(inside_diameter,outside_diameter,cross_sectional_diameter))/2)),0,-50]) cylinder(r=mold_hole_size/2,h=100);
			translate([-(fn_inside_diameter(inside_diameter,outside_diameter,cross_sectional_diameter)/2-((mold_hole_size+fn_cross_sectional_diameter(inside_diameter,outside_diameter,cross_sectional_diameter))/2)),0,-sprue_thickness]) cylinder(r=(mold_hole_size+fn_cross_sectional_diameter(inside_diameter,outside_diameter,cross_sectional_diameter))/2,h=sprue_thickness);
		}
	}
}

//---- The program
o_ringer(goal,units,outside_diameter,cross_sectional_diameter,inside_diameter,minionizing_cross_section,undersizing,mold_perimeter,mold_hole_size,riser_height,sprue_thickness);
```


[User]
I'd like a parametric OpenSCAD design for a tablet stand. I've seen some designs that have a kind of cradle for the tablet to sit in, with a back support that angles backwards, and that's what I'm looking for.

Here are the parameters I'd like to be able to control:

*   **Tablet Width:** The width of the tablet that will sit in the stand.
*   **Tablet Covered Length:** The length of the tablet that will be supported by the stand. The tablet might be longer than this, with the rest extending up above the stand.
*   **Tablet Thickness:** The thickness of the tablet.
*   **Wall Thickness:** The thickness of the walls of the stand itself.
*   **Holding Disc Radius:** The radius of the "ears" at the bottom of the stand that help keep the tablet from sliding out. If set to 0, this should be automatically determined based on the tablet width.
*  **Pole Diameter:** The diameter of the pole that connects the cradle to the base. If this is 0, it should be automatically determined from the baseplate length and tablet width.
*  **Pole Position Ratio:** The position of the pole on the base plate expressed as a fraction of the base plate's length (e.g. 0.5 for the center).
*   **Angle:** The angle of the stand relative to the base, in degrees.
*   **Opening Positions and Diameters**: A list of openings on the front of the stand, each specified by its position from the center of the stand in the x-direction, and its diameter.
*   **Opening Position Pattern**: A selector which, if not set to "Self Defined (Advanced)", provides a set of common opening patterns (None, Left, Middle, Right, Left&Middle, Middle&Right, Left&Right, All), which override any custom opening positions.

The stand should have a baseplate. The dimensions of this baseplate should be determined from the projection of the tilted support.

For the openings, I'd like the ability to specify a pattern (None, Left, Middle, Right, Left&Middle, Middle&Right, Left&Right, All) or to specify the positions and diameters of the openings myself. The openings should be circles.

I'm also using a `build_plate.scad` file, which I already have, so you don't need to include that, but you can use it to display the footprint of the stand.

Could you generate the OpenSCAD code for this?

[Assistant]
TabletStand.scad:
```
/*************************************************************************************************/
/* TabletStand - Copyright 2014 by ohecker                                                       */
/* This file is licensed under CC BY-SA 4.0 (http://creativecommons.org/licenses/by-sa/4.0/deed) */
/*************************************************************************************************/

use <utils/build_plate.scad>
/* [Basic] */

// The width of the tablet in millimeters (including 1-2 additional millimeters as tolerance).
tablet_width=119; // [50:200]

// Length of the tablet that should be supported by the stand (in millimeters). Normally the tablet will be longer than this and the upper part of the tablet will rise above the stand.
tablet_covered_length=140; // [50:200]

// The thickness of the tablet (millimeters). Add approximately 1 millimeter as tolerance.
tablet_thickness=13; // [5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20]

// Pattern of the openings on the front side. If you choose "Self Defined (Advanced)" then you can define the positions and diameters manually in the "Advanced" Tab.
openings_position_pattern = 1; //[0:__________ None,4:OOO_______ Left,2:___OOOO___ Middle,1:________OOO Right,6:OOOOOOO___ Left&Middle,3:___OOOOOOO Middle&Right,5:OOO____OOO Left&Right,7:OOOOOOOOOO All,8:Self Defined (Advanced) ]

/* [Advanced] */

// The thickness of the walls of the stand (millimeter).
wall_thickness=2; // [2,2.5,3,4]

// The radius of the quarter circles ("ears") at the bottom which prevent the tablet from slipping out of the stand. If set to 0 then the radius will be automatically determined (1/6 of the tablet width).
holding_disc_radius=0;

// The (outer) diameter of the large pole (millimeter). If set to 0 then the diameter will be automatically determined (taking the smaller value of 1/2 of the length of the baseplate and 1/3 of the tablet width).
pole_diameter=0;

// The position of the center of the pole given as fraction of the length of the base plate
pole_position_ratio=0.6; // [0.4:0.6]

// The angle of the stand in degrees. Note that lower angles might be difficult to print.
angle=55; // [45,50,55,60,65]

// Position and diameters of openings on the front side (e.g. sound: loudspeaker and microphone) if "Self Defined (Advanced)" is selected. Each opening is defined by two values: 1. the position of the opening (in millimeters in x-direction, where 0 is the symmetry plane of the stand; left side = negative values) 2. the diameter of the opening (in millimeters)
opening_positions_and_diameters=[[15,7],[25,7],[35,7],[45,7]];

/* [Build Plate] */

//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]

/* [Hidden] */
$fn=100;
big = 500;	// "big" dimension for creating helper object for boolean operations; do not customize
epsilon=0.01;	// "small" value for shifting/extending objects to ensure correct boolean operations; do not customize

// the dimensions of the baseplate are defined by the projection of the stand itself
baseplate_length = (tablet_covered_length+wall_thickness)*cos(angle);

// block needs to be lifted by some amount to create space for the openings for sound
lift = tablet_thickness * ( 1-cos(angle));
// the effective diameter of the pole (given by rule or advanced configuration)
pole_diameter_effective = (pole_diameter == 0 ) ? min( baseplate_length / 2, tablet_width / 3) : pole_diameter;
// the effective radius of the holding discs ("ears"; given by rule or advanced configuration)
holding_disc_radius_effective = (holding_disc_radius == 0 ) ? tablet_width / 6 : holding_disc_radius;

// thickness of the main block
block_thickness = tablet_thickness+wall_thickness;
// length of the main block
block_length = tablet_covered_length+wall_thickness+block_thickness;
// width of the main block
block_width = tablet_width+2*wall_thickness;

/******************************* the main object ***************************/
// The main object: Create the stand and move it to the center...
translate([0,-(baseplate_length-block_thickness*sin(angle))/2,0]) stand();
// the build plate (for display only)
build_plate(build_plate_selector,build_plate_manual_x,build_plate_manual_y);

/******************************* decomposition of the stand ****************/
// The stand consists of three main components:
// - the "holder" which is the encasement of the tablet (tilted by the given angle)
// - the baseplate
// - the pole between the back part of the holder and the baseplate
module stand() {
	difference() {
		union() {
			intersection() {
				translate([0,0,lift]) rotate([angle,0,0]) holder();
				only_pos_z();   	// cut off all parts which are below the surface after tilting the holder
				translate([0,-block_thickness*sin(angle),0]) only_pos_y();	// cut off all parts which protrude to the front
			}
			baseplate();
			translate([0,0,epsilon]) pole();	// pole is solid here
 		}
		pole_hollow_portion();		// make pole hollow
	}
}

// The holder (which is the encasement of the tablet) consist of
// - the basic block where
// - the cutout for the tablet is subtracted
// - the optional "openings for sound" (loudspeaker, microphone) are subtracted
// - plus the two "ears" which prevent the tablet from slipping out
module holder() {
	union() {
		difference() {
			block();
			cutout_for_tablet();
			all_openings_for_sound();
		}
		ears();
	}
}

/******************************* the (main) block  ********************************/
/*                                                                                */

// The block is a cube. Its dimensions are mainly given by the dimension of the tablet plus thickness of the walls.
// The block is extended in y-direction for the same value as its thickness.
// This additional space is needed to form the connection to the base plate and allow to integrate the
// optional openings for sound.
module block () {
    translate([-(tablet_width+2*wall_thickness)/2,-block_thickness,0])
	cube(size=[block_width,block_length,block_thickness]);
}

// The opening in the base for the tablet is simply defined by the given dimensions of the tablet
module cutout_for_tablet () {
	translate([-tablet_width/2,wall_thickness,wall_thickness])
	cube(size=[tablet_width,tablet_covered_length+epsilon,tablet_thickness+epsilon]);
}

/******************************* the openings for sound ***************************/
/*                                                                                */

module all_openings_for_sound() {
	if(openings_position_pattern == 8 ) {
		all_openings_for_sound_advanced();
	} else {
		all_openings_for_sound_pattern();
	}

}

// The positions of the "openings for sound" are given by a vector of two dimensional vectors in this case.
// Each of these two dimensional vectors holds
// - the position of the opening (in millimeters in x-direction, where 0 is the symmetry plane of the stand;
//    left side = negative values)
// - the diameter of the hole (in millimeters)

module all_openings_for_sound_advanced() {
	for( b = opening_positions_and_diameters ) {
		opening_for_sound(b[0],b[1]);
    }
}

// If the positions of the "openings for sound" are given by a pattern then the openings are equally spaced
// over the whole front and grouped into three sections: left, middle and right. Only the openings in acticated
// sections will be produced.
module all_openings_for_sound_pattern() {

	holes_left = (floor(openings_position_pattern/4) % 2 == 1);
	holes_middle = (floor(openings_position_pattern/2) % 2 == 1);
	holes_right = (openings_position_pattern % 2 == 1);

	diameter_opening = tablet_thickness * 0.6;
	square_opening = tablet_thickness * 0.9;
	number_of_openings = floor( tablet_width / square_opening );
	increment = tablet_width / number_of_openings;
	start_position_left = -tablet_width/2 + increment/2; /*+ square_opening/2*/;

	number_openings_on_side = ceil( number_of_openings / 3 );

	for( i = [0:number_of_openings-1] ) {
		assign(current_position = start_position_left+i*increment) {
			if( i < number_openings_on_side-1 ) {
				if(holes_left) {
					opening_for_sound(current_position,diameter_opening);
				}
			} else if ( i >= number_of_openings-number_openings_on_side+1 ) {
				if(holes_right) {
					opening_for_sound(current_position,diameter_opening);
				}
			} else {
				if(holes_middle) {
					opening_for_sound(current_position,diameter_opening);
				}
			}
		}
	}
}

// Each "opening for sound" is modeled by (part of) a torus. This torus results in a circular opening at the front of the stand
// as well as in the (tilted) bottom part of the holder. The center of the torus is the upper front edge of the baseblock.
module opening_for_sound(pos,dia) {
	translate([pos,wall_thickness,block_thickness])
	rotate([0,90,0])
	rotate_extrude(convexity = 20,$fn=40)
	translate([tablet_thickness/2, 0, 0])
	circle(r = dia/2,$fn=10);
}

/******************************* the "ears"  **************************************/
/*                                                                                */

// Two "ears" (one left, one right)
module ears() {
   ear();
   mirror([1,0,0]) ear();
}

// The left ear is a quarter of a flat cylinder
module ear() {
	translate([-(tablet_width+2*wall_thickness)/2,0,tablet_thickness+wall_thickness])
		intersection() {
			cylinder(h=wall_thickness,r=holding_disc_radius_effective, center=true);
			cube(holding_disc_radius_effective+epsilon);
   		}
}

/******************************* the baseplate  ***********************************/
/*                                                                                */

module baseplate() {
	translate([-(tablet_width+2*wall_thickness)/2,-lift/tan(angle),0])
	cube(size=[tablet_width+2*wall_thickness,baseplate_length+lift/tan(angle),wall_thickness]);
}

/************************* objects for creating the (hollow) pole  ****************/
/*                                                                                */

// The relative position of the pole on the baseplate is given by a ratio
pos_pole=pole_position_ratio*baseplate_length;

// The pole (not hollow yet) is a cylinder which only extends below the base.
module pole() {
	intersection() {
		translate([0,pos_pole,0]) cylinder(h=tablet_covered_length,r=pole_diameter_effective/2);
		translate([0,0,lift]) rotate([angle,0,0]) only_neg_z();
	}
}

module pole_hollow_portion() {
	translate([0,pos_pole,-epsilon]) cylinder(h=tablet_covered_length,r=pole_diameter_effective/2-wall_thickness);
}

/*************************** helper objects for boolean operations ****************/
/* Actually it would be much easier to use cubes with larger dimensions ("big")   */
/* for boolean operations. Unfortunately in the Thingiverse Customizer the preview*/                                                                                /* will be scaled so that obviously all objects are within view. This seems to    */
/* also include these helper objects which results in a too small preview.        */
/* Making the following objects as small as possible avoids this. (But is error   */
/* prone.)                                                                        */

// helper object (cube above the surface) for boolean operations
module only_pos_z() {
	translate([0,0,(block_length+epsilon)/2])
	cube([block_width+epsilon,2*baseplate_length+epsilon,block_length+epsilon],center=true);
}

// helper object ("big" cube below the surface) for boolean operations
module only_neg_z() {
	translate([0,(block_length+block_thickness+epsilon)/2,-(block_length+epsilon)/2])
	cube([block_width+epsilon,(block_length+2*block_thickness+epsilon),block_length+epsilon],center=true);
}

// helper object ("big" cube with positive x-coordinates) for boolean operations
module only_pos_y() {
	translate([0,(block_length+epsilon)/2,block_length/2])
	cube([block_width+epsilon,block_length+epsilon,block_length+epsilon],center=true);
}

```


[User]
I'm looking to create a customizable set of clothes hooks shaped like space invaders, and I'd like to be able to control a few things. I want to specify which space invader design to use (I have a few in mind, but it should be easy to add more), the size of the individual "pixels" that make up the invader, the overall thickness of the hook, and the size of the hole for mounting it. I'd also like options to choose whether to actually include a hole or a hook portion, or just the base space invader shape, and I need to be able to adjust the connection strength of the pixels.

Could you generate an OpenSCAD file that does all of this? I'm looking for a parametric design where I can easily tweak all those parameters. I'm not using any special libraries, just straight OpenSCAD functions.

[Assistant]
hook_generator.scad:
```
/* ********************************************************************
 * Space Invader Hooks
 *
 * Generate your own cloth hooks. Tweak parameters, create your own
 * hooks or use the predefined modules.
 *
 * ******************************************************************** */

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

// ------------------------------------------------------------------
// --- parameter ----------------------------------------------------
// ------------------------------------------------------------------

/* [Global] */

/* [Basic] */

// choose a space invader
spaceInvader = 5; // [1,2,3,4,5,6,7,8,9,10]

// pixel size
edgeLength = 4;

// thickness of the hook
strength = 4;

// radius of the hole
holeRadius = 1.0;

// adjust the strength of the connections of otherwise unconnected pixel
pixel_connection_strength = 0.4;

/* [Advanced] */

// resolution
$fn=50;

// make a hole or not
make_hole = "yes"; // [yes,no]

// make a hook or just the base space invader
make_hook = "yes"; // [yes,no]

// use to avoid loonely pixel
// minkowski_factor=10;

/* [Hidden] */

// ------------------------------------------------------------------
// --- space invader versions ---------------------------------------
// --- a vector of 2d coordinates; hole and hook position -----------
// ------------------------------------------------------------------

// space invader 1 parameter
si_1=[[0,0,1,0,1,0,0],[0,1,1,1,1,1,0],[0,1,0,1,0,1,0],[1,1,1,1,1,1,1],[1,0,1,0,1,0,1],[1,0,0,0,0,0,1]];
si_1_hole=[3,2];
si_1_hook=[3,4];

// space invader 2 parameter
si_2=[[0,0,1,0,1,0,0],[0,1,1,1,1,1,0],[0,1,0,1,0,1,0],[1,1,1,1,1,1,1],[1,0,1,1,1,0,1],[1,0,0,1,0,0,1]];
si_2_hole=[3,3];
si_2_hook=[3,5];

// space invader 3 parameter
si_3=[[0,0,1,0,1,0,0],[0,1,1,1,1,1,0],[0,1,0,1,0,1,0],[1,1,1,1,1,1,1],[1,0,1,1,1,0,1],[1,0,0,1,0,0,1],[0,0,0,1,0,0,0]];
si_3_hole=[3,3];
si_3_hook=[3,6];

// space invader 5 parameter
si_4=[[0,0,1,0,1,0,0],[0,1,1,1,1,1,0],[0,1,0,1,0,1,0],[1,1,1,1,1,1,1],[1,0,1,1,1,0,1],[1,0,0,1,0,0,1],[1,1,0,1,0,1,1]];
si_4_hole=[3,3];
si_4_hook=[3,6];

// space invader 5 parameter
si_5=[[0,0,1,1,0,1,1,0,0],[0,1,1,1,1,1,1,1,0],[0,1,0,0,1,0,0,1,0],[1,1,0,0,1,0,0,1,1],[1,1,1,1,1,1,1,1,1],[0,0,1,1,1,1,1,0,0],[0,1,1,0,1,0,1,1,0],[1,1,0,0,0,0,0,1,1]];
si_5_hole=[4,4];
si_5_hook=[4,6];

// space invader 6 parameter
si_6=[[0,0,1,0,0,0,0,0,1,0,0],[0,0,0,1,0,0,0,1,0,0,0],[0,0,1,1,1,1,1,1,1,0,0],[0,1,1,0,1,1,1,0,1,1,0],[1,1,1,1,1,1,1,1,1,1,1],[1,0,1,1,1,1,1,1,1,0,1],[1,0,1,0,0,0,0,0,1,0,1],[0,0,0,1,1,0,1,1,0,0,0]];
si_6_hole=[5,3];
si_6_hook=[5,5];
si_6_cons=[[0,0,2,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,1,0,0,0],[0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0],[0,0,2,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,1,0,0,0]];

// space invader 7 parameter
si_7=[[0,0,0,1,1,0,0,0],[0,0,1,1,1,1,0,0],[0,1,1,1,1,1,1,0],[1,1,0,1,1,0,1,1],[1,1,1,1,1,1,1,1],[0,1,0,1,1,0,1,0],[1,0,0,0,0,0,0,1],[0,1,0,0,0,0,1,0]];
si_7_hole=[3.5,3];
si_7_hook=[3.5,5];
si_7_cons=[[0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0],[0,0,0,0,0,0,2,0],[3,0,0,0,0,0,0,0],[0,0,0,0,0,0,1,0]];

// space invader 8 parameter
si_8=[[0,0,0,1,1,0,0,0],[0,0,1,1,1,1,0,0],[0,1,1,1,1,1,1,0],[1,1,0,1,1,0,1,1],[1,1,1,1,1,1,1,1],[0,1,0,1,1,0,1,0],[1,0,1,0,0,1,0,1],[0,1,0,1,1,0,1,0]];
si_8_hole=[3.5,3];
si_8_hook=[3.5,5];
si_8_cons=[[0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0],[0,2,0,0,2,0,2,0],[3,0,3,0,0,3,0,0],[0,1,0,0,1,0,1,0]];

// space invader 9 parameter
si_9=[[0,0,0,0,1,1,1,1,0,0,0,0],[0,1,1,1,1,1,1,1,1,1,1,0],[1,1,1,1,1,1,1,1,1,1,1,1],[1,1,1,0,0,1,1,0,0,1,1,1],[1,1,1,1,1,1,1,1,1,1,1,1],[0,0,1,1,1,0,0,1,1,1,0,0],[0,1,1,0,0,1,1,0,0,1,1,0],[0,0,1,1,0,0,0,0,1,1,0,0]];
si_9_hole=[5.5,2];
si_9_hook=[5.5,4];
si_9_cons=[[0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,2,0,0,0,0,0,0,0],[0,0,0,0,0,0,1,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0]];

si_10=[[0,0,0,0,0,1,1,1,1,1,1,0,0,0,0,0],[0,0,0,1,1,1,1,1,1,1,1,1,1,0,0,0],[0,0,1,1,1,1,1,1,1,1,1,1,1,1,0,0],[0,1,1,0,1,1,0,1,1,0,1,1,0,1,1,0],[1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1],[0,0,1,1,1,0,0,1,1,0,0,1,1,1,0,0],[0,0,0,1,0,0,0,0,0,0,0,0,1,0,0,0]];
si_10_hole=[7.5,3];
si_10_hook=[7.5,5];
si_10_cons=[];

// ------------------------------------------------------------------
// --- programm -----------------------------------------------------
// ------------------------------------------------------------------

if (spaceInvader == 1) {
	complete_hook(si_1, [], si_1_hole, si_1_hook);
} else if (spaceInvader == 2) {
	complete_hook(si_2, [], si_2_hole, si_2_hook);
} else if (spaceInvader == 3) {
	complete_hook(si_3, [], si_3_hole, si_3_hook);
} else if (spaceInvader == 4) {
	complete_hook(si_4, [], si_4_hole, si_4_hook);
} else if (spaceInvader == 5) {
	complete_hook(si_5, [], si_5_hole, si_5_hook);
} else if (spaceInvader == 6) {
	complete_hook(si_6, si_6_cons, si_6_hole, si_6_hook);
} else if (spaceInvader == 7) {
	complete_hook(si_7, si_7_cons, si_7_hole, si_7_hook);
} else if (spaceInvader == 8) {
	complete_hook(si_8, si_8_cons, si_8_hole, si_8_hook);
} else if (spaceInvader == 9) {
	complete_hook(si_9, si_9_cons, si_9_hole, si_9_hook);
} else if (spaceInvader == 10) {
	complete_hook(si_10, si_10_cons, si_10_hole, si_10_hook);
}

// ------------------------------------------------------------------
// --- modules ------------------------------------------------------
// ------------------------------------------------------------------

module complete_hook(matrix, cons, hole, hook) {
	difference() {
		union() {
			hook_base(matrix);
			connections(cons);
			if (make_hook == "yes") {
				hook(hook[0], hook[1]);
			}
		}
		if (make_hole == "yes") {
			hook_hole_positive(hole[0], hole[1], 1);
		}
	}
}

module hook_base(data) {
	for (y = [0:len(data)]) {
		for(x = [0:len(data[y])]) {
			pixel(x,y,data[y][x]);
		}
	}
}

module connections(data) {
	for (y = [0:len(data)]) {
		for(x = [0:len(data[y])]) {
			if (data[y][x] > 0) {
				pixel_connection(x,y,data[y][x]);
			}
		}
	}
}

// builds a cube at specified position
//
module pixel(x, y, h) {
	translate([x*edgeLength, -y*edgeLength, 0]) {
		if (h > 0) {
			cube([edgeLength, edgeLength, strength*h]);
			/*
			minkowski()
			{
				cube([edgeLength, edgeLength, strength*h-(strength/5)]);
 				cylinder(r=strength/10,h=strength*h-(strength/5));
			}
			*/
		}
	}
}

// build a connection
module pixel_connection(x,y,direction) {
	translate([(x+0.5)*edgeLength,-(y-0.5)*edgeLength,0]) {
		if (direction == 3) {
			union() {
				hull() {
					cylinder(r=pixel_connection_strength, h=strength);
					translate([edgeLength,edgeLength,0]) {
						cylinder(r=pixel_connection_strength, h=strength);
					}
				}
				hull() {
					cylinder(r=pixel_connection_strength, h=strength);
					translate([edgeLength,-edgeLength,0]) {
						cylinder(r=pixel_connection_strength, h=strength);
					}
				}
			}
		}
		hull() {
			cylinder(r=pixel_connection_strength, h=strength);
			if (direction == 1) {
				translate([edgeLength,edgeLength,0]) {
					cylinder(r=pixel_connection_strength, h=strength);
				}
			}
			if (direction == 2) {
				translate([edgeLength,-edgeLength,0]) {
					cylinder(r=pixel_connection_strength, h=strength);
				}
			}
		}
	}
}

// make the positives for the holes
//
module hook_hole_positive(x,y,h) {
	translate([x*edgeLength+edgeLength/2, -y*edgeLength+edgeLength/2, 0]) {
		cylinder(h=strength*h, r=holeRadius);
		hull() {
			translate([0, 0, strength*h-holeRadius]) cylinder(h=0.1, r=holeRadius);
			translate([0, 0, strength*h]) cylinder(h=holeRadius/2, r=holeRadius*1.8);
		}
	}
}

// builds the hook at specified position
//
module hook(x, y) {
	translate([x*edgeLength, -y*edgeLength, 0]) {
		union() {
			cube([edgeLength, edgeLength, 0.5*edgeLength+strength]);
			hull() {
				translate([0, 0, 0.5*edgeLength+strength]) {
					cube([edgeLength, edgeLength, 0.5*edgeLength]);
				}
				translate([0, 0.5*edgeLength, 0.5*edgeLength+2*strength]) {
					cube([edgeLength, edgeLength, 0.5*edgeLength]);
				}
			}
		}
	}
}

```


[User]
Hey, I'm looking to design a telescoping tube system in OpenSCAD, and I want it to be parametric so I can easily adjust the size and number of segments. I have a basic idea of how I want it to work, and I'd like the AI to generate the SCAD code for me.

Essentially, it's a series of hollow, truncated cones that nest inside each other. Each cone section will have a small lip at the wider end that slots into a groove on the narrower end of the next section when extended. The lip and the groove will act as a stopper to prevent the tube from coming apart. I'm thinking it should be designed so that when fully extended, the sections are locked into place.

Here are the parameters I'd like to control:

*   **`ct`**: The wall thickness of the tube, which should be constant for all sections.
*   **`ang_h`**: The height of the sloped (conical) portion of each section.
*   **`ang_diff`**: The difference in radius between the top and bottom of the conical portion of each section.
*   **`stopper_w`**: The width of the stopping tab/groove feature that prevents the sections from coming apart.
*   **`outer_height`**: The height of the straight portion of the outermost (first) section.
*   **`num_pieces`**: The number of telescoping sections.
*   **`outer_r`**: The radius of the widest end of the outermost section.
*   **`fudge`**: A small spacing value to ensure that parts do not interfere with one another.
*   **`pd`**: The additional height added to each level beyond the first one.

I'd like the design to support two different locking mechanisms that can be toggled by a variable. The first will use a small, almost key-like tab that extends out from the lip and locks into a matching cutout on the interior of the next section. The second design will use a screw mechanism. This would involve a small screw-shaped piece with a ramp or angled surface that twists into a groove to lock the sections. Both designs should be controlled by the `screw` variable, where `screw=0` is the tab design and `screw=1` is the screw design.

I think that should cover everything. I'm not using any special libraries for this project, so you can use the standard OpenSCAD language features. Could you generate the code for this?

[Assistant]
telescope.scad:
```
$fn = 100 + 0;

// wall thickness
ct = 2.0; // thickness
ang_h = 3.25 + 0; // height of angled part
ang_diff = 1.25 + 0; // r diff of angled part
stopper_w = 4 + 0;
// height of straight part of outside wall
outer_height = 8;
// number of pieces
num_pieces = 3;
// radius of outermost piece
outer_r = 25;
// tab vs. screw design
screw = 1; // [0: tab, 1: screw]
// minimum spacing between pieces
fudge = 0.3;

pd = ang_h; // additional height of each level

module hollow_cone(cr, ch, diff){
	difference(){
		cylinder(r1=cr, r2=cr - diff, h= ch);
		translate([0,0,-0.005])
			cylinder(r1=cr-ct, r2=cr - ct - diff, h= ch + .01);
	}
}

module piece(rx, mh, outer, inner){
	hollow_cone(rx, ang_h, ang_diff);
	translate([0,0,0])
		hollow_cone(rx - ang_diff, mh + ang_h, 0);
	if (!inner){
//		rotate([0,0,90 * screw])
			difference(){
				translate([0,0,mh + ang_h])
					hollow_cone(rx - ang_diff, ang_h, ang_diff);
				if (!screw){
					union(){
						cube([stopper_w + 1,400, 400], center=true);
						cube([400, stopper_w + 1, 400], center=true);
					}
				}
				if(screw){
					translate([0,0,(mh + pd + ang_h * 2) / 2])
						linear_extrude(height = mh + pd + ang_h * 2, center = true, convexity = 10, twist = -90, $fn = 50)
						translate([(rx - ang_diff - ct - fudge) - (ang_diff + 0) / 2, 0, 0])
						square([ang_diff + fudge * 2,6], center=true);
					rotate([0,0,180])
						translate([0,0,(mh + pd + ang_h * 2) / 2])
						linear_extrude(height = mh + pd + ang_h * 2, center = true, convexity = 10, twist = -90, $fn = 50)
						translate([(rx - ang_diff - ct - fudge) - (ang_diff + 0) / 2, 0, 0])
						square([ang_diff + fudge * 2,6], center=true);
				}
			}
	}
	translate([0,0,mh + ang_h])
		hollow_cone(rx - ang_diff, ang_h, 0);
	translate([0,0,mh + ang_h])
		hollow_cone(rx - ang_diff, ang_h, -ang_diff);
	if (!outer){

		if (!screw){
			intersection(){
				translate([0,0,ang_h])
					hollow_cone(rx - ang_diff, ang_h, -ang_diff);
					union(){
						cube([stopper_w ,200, 200], center=true);
						cube([200, stopper_w , 200], center=true);
					}
			}
		}
		if (screw){
			intersection(){
				union(){
					translate([0,0, ang_h + ang_diff + 0.5])
						cylinder(r=rx, h=mh + ang_h * 2);
					translate([0,0, ang_h + 0.5])
						cylinder(r1 = rx - ang_diff, r2=rx, h=ang_diff);
				}
				union(){
					translate([0,0,(mh + pd + ang_h * 1) / 2])
						linear_extrude(height = mh + ang_h * 2, center = true, convexity = 10, twist = -90, $fn = 50)
						translate([rx - ang_diff / 2, 0, 0])
						square([ang_diff,4], center=true);
					rotate([0,0,180])
						translate([0,0,(mh + pd + ang_h * 1) / 2])
						linear_extrude(height = mh + ang_h * 2, center = true, convexity = 10, twist = -90, $fn = 50)
						translate([rx - ang_diff / 2, 0, 0])
						square([ang_diff,4], center=true);
				}
			}

		}
	}
}

module pieces_non_rec(){
	for (i = [1:num_pieces]){
		piece(outer_r - (ang_diff + ct + fudge) * (i - 1), outer_height + pd * (i - 1), i == 1, i == num_pieces, i == 1);
	}
}

pieces_non_rec();

```


[User]
I'd like to design some rolling pin discs for a Joseph Joseph adjustable rolling pin. The pin itself has a 45mm diameter, and the discs attach via an 18mm diameter hole. I'm aiming for a disc thickness of 5mm, and the discs should be designed to set the dough thickness. Specifically, I need to be able to create discs of varying thickness, such as 1/8", 1/4" and so on. Ideally, the disc would have both metric and Imperial measurements embossed on opposite sides. The rolling pin discs themselves are circular with a flat edge, so they sort of look like a cylinder with a flat bevel cut out of one edge. I think there's also a bevel along the outer edge of the hole. So, to recap, the key dimensions are:

*   **Pin diameter:** 45 mm
*   **Hole diameter:** 18 mm
*   **Disc thickness:** 5 mm (this is the physical thickness of the disc)
*   **Dough thickness:** variable (this is the amount the disc will lift the rolling pin, determining the thickness of the dough)

The design should also include a function to emboss the measurements on the disc, in both metric and imperial. For this, I want to use the Write.scad library.

Could you generate the OpenSCAD files for this? Thanks!

[Assistant]
RollingPinDisc.scad:
```
// Rolling Pin Disc
// for the Joseph Adjustable Rolling Pin
//
// This rolling pin comes with interchangable discs that let you roll exactly
// a desired thickness. Notoriously, it doesn't come with a 1/8" disc, the size
// we always seem to need! This is that disc, though you can customize it to
// make other sizes.
//
// Remember to print two!

use <write/Write.scad>

/* [Size] */

// Dough thickness is this times the unit below
count = 1; // [1:16]

// for Thickness
base_unit = 80; // [ 254:mm, 160:16th inch, 80:8th inch ]

/* [Rolling Pin] */

// Wooden pin diameter, in mm
pin_diameter = 45;

// Disc hold diameter, in mm
hole_diameter = 18;

// Disc thickness, in mm
thickness = 5;

/* [Hidden] */
bevel = 1/2;
ten_inches_in_mm = 254;
unit = ten_inches_in_mm / base_unit;
dough = count * unit;

module disc_text(n_mm, num_inch, denom_inch) {
	text_height = 7;
	text_depth = 1/4;
	spacer = 2;
	baseline = hole_diameter / 2 + spacer + text_height / 2;

	translate([0, baseline, thickness])
		write(str(n_mm, "mm"),
			  t=text_depth*2,h=text_height,center=true);

	rotate(a=[0,180,0])
		translate([0, baseline, 0])
			write(str(num_inch,"/",denom_inch,"\""),
				  t=text_depth*2,h=text_height,center=true);

}

module nice_disc_text(depth) {
	n_mm = round(depth);
	d = 16;
	u = ten_inches_in_mm / (d*10);
	n = round(depth/u);
	if (n % 8 == 0) {
		disc_text(n_mm, n / 8, d / 8);
	} else if (n % 4 == 0) {
		disc_text(n_mm, n / 4, d / 4);
	} else if (n % 2 == 0) {
		disc_text(n_mm, n / 2, d / 2);
	} else {
		disc_text(n_mm, n / 1, d / 1);
	}
}

module rolling_disc(depth) {
	width = (pin_diameter - hole_diameter) / 2 + depth;
	height = thickness;

	difference() {
		rotate_extrude($fn=150) {
  			translate([hole_diameter / 2 + bevel, bevel, 0]) {
				minkowski() {
					circle(r=bevel, $fn=24);
					square([width - 2 * bevel, height - 2 * bevel]);
    				}
			}
		}

		nice_disc_text(depth);
	}
}

rolling_disc(dough);

// Debugging code //

/*
for ( i = [ 2 : 4 : 10 ] ) {
	translate([0,0,thickness*i/4])
		rolling_disc(i);
}
*/

/*
rolling_disc(10);
color([0, 1, 0, 0.25]) {
	cylinder(h=20,r=10+45/2,center=true,$fn=150);
}
color([1, 0, 0, 0.25]) {
	cylinder(h=30,r=18/2,center=true,$fn=150);
}
*/
```


[User]
Okay, I'd like to create a parametric model of a Wild West-style U.S. Marshal badge using OpenSCAD. It'll need to have a few key features, like a five-pointed star in the center, a raised ring around the star, and text both on top and bottom. I want to be able to change the badge diameter, height, ring thickness, and the text.

Specifically, the badge should have a general shape like a circle, with a five-pointed star at its center, extruded up, and be somewhat dome-shaped. The star should be embedded in the body of the badge. Around the star, there should be a raised circular ring that’s somewhat wide, and this ring should have space for text on both the top and bottom edges. I need to be able to control the size of the badge, the height, how thick the ring is, how far in it is from the edge, and what the top and bottom text say. I'd also like to control how much of a dome the badge has. Finally, I want a flat back, and it needs to be able to have a small rectangular cutout on the back for a pin.

I’m thinking the design should utilize the `write/Write.scad` library for the text, because it makes it so that the text is actually raised, not just an extrusion, but otherwise, it shouldn't rely on external libraries. Let's try to make this clean and parametric so I can easily adjust things later.

[Assistant]
Badge_Marshal.scad:
```
// Marshal badge:
use <write/Write.scad>;

TopText="U.S.";
BottomText="MARSHAL";
$fn=60;

/* [Hidden] */
BADGE_DIAMETER=25.4*1.5; //mm
BADGE_HEIGHT=4.5; //mm
RING_OUTER_DIAMETER=1.2; //percentage
RING_INNER_DIAMETER=0.9; //percentage
RING_OFFSET=0; //mm

module star_5_point(radius=10){
 polygon(points=[
  from_polar(radius, 0),
  from_polar(radius, 72),
  from_polar(radius, 72*2),
  from_polar(radius, 72*3),
  from_polar(radius, 72*4)],
  paths=[[0,2,4,1,3]]);
}

function from_polar(r=1,theta=60) = [r*cos(theta),r*sin(theta)];
rotate([0,0,-90]){
intersection(){
 //star
 rotate([0,0,180]) linear_extrude(height=BADGE_HEIGHT) star_5_point(BADGE_DIAMETER/2);

 translate([0,0,-2*BADGE_DIAMETER+BADGE_HEIGHT]) rotate([0,90,0]) sphere(r=BADGE_DIAMETER*2);
}
difference(){
 intersection(){
  //ring
  difference(){
   cylinder(r=BADGE_DIAMETER/2*RING_OUTER_DIAMETER,h=BADGE_HEIGHT);
   cylinder(r=BADGE_DIAMETER/2*RING_INNER_DIAMETER, h=BADGE_HEIGHT);
  }
  translate([0,0,-2*BADGE_DIAMETER+BADGE_HEIGHT+RING_OFFSET]) sphere(r=BADGE_DIAMETER*2);
 }

 rotate([0,0,90]) scale([1,1,BADGE_HEIGHT*2]) writecylinder(BottomText,[0,0,0],(BADGE_DIAMETER*RING_OUTER_DIAMETER)/2+1,0,face="top",ccw=true);
 rotate([0,0,90]) scale([1,1,BADGE_HEIGHT*2]) writecylinder(TopText,[0,0,0],(BADGE_DIAMETER*RING_OUTER_DIAMETER)/2+1,0,face="top",ccw=false);
}

intersection(){
 translate([0,0,-1])
  intersection(){
   //ring
   difference(){
    cylinder(r=BADGE_DIAMETER/2*RING_OUTER_DIAMETER,h=BADGE_HEIGHT);
    cylinder(r=BADGE_DIAMETER/2*RING_INNER_DIAMETER, h=BADGE_HEIGHT);
   }
   translate([0,0,-2*BADGE_DIAMETER+BADGE_HEIGHT+RING_OFFSET]) sphere(r=BADGE_DIAMETER*2);
  }
translate([-BADGE_DIAMETER*0.6, -BADGE_DIAMETER*0.6]) cube(BADGE_DIAMETER*1.2);
}
}
```


[User]
Alright, I'm looking to create a parametric design for an axe head that I can 3D print on a metal printer. I've got a basic idea of the shape, but I need to be able to adjust a bunch of different parameters.

Specifically, I want these things to be adjustable:

*   **Overall Size:** I need to be able to control the size of the "back" of the axe head (the part opposite the blade). I'm thinking of this in terms of a radius `r`, where the main body of the axe is essentially a cylinder with this radius. Let's call this the `axe_back_radius`.
*   **Resolution:** I also want to control how many segments are used for the cylindrical parts, like the number of facets used when rendering circles. I'd call this the `resolution` value.
*   **Axe Head Height:** This should be a variable I can adjust, let's call it `axe_height`. It will control the vertical size of the main block of the axe.
*   **Handle Hole:** I need a hole for the axe handle, and this should be defined by its radius, `handle_hole_radius`.
*  **Blade lip offset** I would like to be able to control the amount that the blade lip extends past the back of the axe. I'm thinking of it as an offset, and would call this `blade_lip_offset`.
* **Blade Roundness** I want to be able to control how rounded the blade is at the end. I want to call this `blade_roundness`.
*  **Scale Factor:** I want to include a scale factor variable that scales the entire model, `scale_factor`.

The axe head should generally have the following shape: a roughly rectangular block (the back of the axe) with a cylindrical addition in the middle on the back and a smooth blade extending from the front. The handle hole should go through the rectangular block. The shape should be made using a hull, which I would like to have automatically calculate the appropriate offset from the `axe_back_radius` to the front of the axe.

Also, I would prefer if you could generate this without relying on any external libraries other than built-in OpenSCAD functions. I'm not really looking for anything too fancy, just something that generates a usable 3D model.

Let me know if you have any questions or if this is clear enough for you to start working on it.

[Assistant]
axe_head.scad:
```
// Customizable simple axe head

//Customizer Variables

//axe head back
r= 70; //[1:200]

//resolution
n=100; //[1:200]

//axe head height
h=100; //[1:500]

// handle hole radius
x=25; //

//scale
s=140; //

// blade lip
l=50;//

// roundness
a=20;//

module chuck(){
	union(){
translate([0,-0.1*r,0])cube([r,0.7*r,h], center = true);
translate([0,0.6*r/2,0])cylinder(h = h, r1 = r/2, r2 = r/2, center = true, $fn=n);
}
}

module chunk(){
hull(){
chuck();
translate([0,s,l/2])cylinder(h = h+l, r1 = 0.1, r2 = 0.1, center = true, $fn=n);
				}
}

module axehead(){
	difference(){
	chunk();
	translate([0,x*.1,0])cylinder(h = h+l+1, r1 = x, r2 = x, center = true, $fn=n);
	translate([-x,-x*.9,-h/2-1])cube([2*x, x,h+l+1,]);
	}
					}
axehead();

```


[User]
I'd like to have an OpenSCAD design for custom door handles that I can 3D print. I need to be able to choose between an L-shaped handle and a round handle. For both types, there should be a cylindrical connector that goes into the door mechanism, and I need to be able to specify the length and diameter of this connector. I also need to be able to define the size of the square hole that the operating shaft of the door mechanism goes into, as well as the depth of that hole.

For the L-shaped handle, I need to be able to control the total length of the handle, its starting and ending height (which allows for a tapered design), and the overall thickness of the handle.  It should also be possible to choose whether the ends of the L-shaped handle are rounded or square. I would like to be able to emboss text onto the side of the L-shaped handle.

For the round handle, I need to be able to define the diameter of the handle and the height. I would also like to be able to emboss text onto the side of the round handle.

For both handles, I also need to be able to choose if there are screw holes, and specify the diameter and offset from the end of the cylindrical connector, and be able to choose between vertical and horizontal screw holes.

Finally, I would like to define the text to be embossed on the handles as well as the height and thickness of the embossed text.

I'm also expecting a `Write.scad` file will be required to handle the embossing of text.

[Assistant]
door_handle.scad:
```

/* Project to generate door handles for 3D printing
*/

/* [Global] */

// Define the type of handle required
//
// Type of doorhandle required
handle_type = "l";	// [l:L-shaped,r:Round]

// Define whether or not screw holes are required
//
// Is a vertical securing screw required?
vertical_screw = "y"; // [y:Yes,n:No]

// Is a horizontal securing screw required?
horizontal_screw = "y"; // [y:Yes,n:No]

// Length of the side of the square operating shaft
shaft_side= 8;

// Depth of the square hole into the handle
shaft_depth= 20;

// Diameter of the hole needed for the securing screws
screw_diameter= 3;

// Offset for screw hole from end of connector
screw_offset= 10;

// Diameter of the connector between the handle and the shaft
connector_diameter = 20;

// Length of the connector between the handle and the shaft
connector_length = 15;

// Height of text
text_height = 15;

// Thickness of text
text_thickness = 3;

// Text to be embossed
text_data = "Bathroom";

// Variables specific to the round doorhandle
//
// Diameter of the round door handle
round_diameter = 70;

// Height of the handle
round_height = 30;

// Variables specific to the L shaped door handle
//

// Total length of the handle
l_length = 180;

// Width of the handle at the start
l_start_height = 35;

// Width of the handle at the end
l_finish_height = 20;

// Thickness of the handle
l_thickness = 8;

// Select whether or not handle ends are rounded
l_rounded = "n"; // [y:Yes,n:No]

/* [Hidden] */

// Margin to ensure that cut-outs penetrate through surfaces
margin = 1;

// Calculate other values as needed
//
round_offset = connector_length + round_height/2;
l_offset = connector_length + margin;
l_angle = atan((l_start_height-l_finish_height)/(2*l_length));
connector_radius = connector_diameter / 2;
shaft_offset = shaft_side/ 2;
screw_length = connector_diameter / 2 + margin;
screw_radius = screw_diameter/ 2;

use <Write.scad>

difference() {

	union () {

		// Check for the type of handle required
		//
		if (handle_type  == "l") {

			// Draw the flat handle
			//
			if (l_rounded == "y") {

				// Draw flat handle with rounded ends
				//
				hull() {
					translate([l_offset,0,0])
						rotate(a=90,v=[0,1,0])
							cylinder(h=l_thickness,r=l_start_height/2);

					translate([l_offset,l_length-(l_finish_height/2),0])
						rotate(a=90,v=[0,1,0])
							cylinder(h=l_thickness,r=l_finish_height/2);

				} // End hull
				writecube(text=text_data, where=[l_offset+(l_thickness/2),(-l_start_height*0.5)+(l_length/2),0], size=[l_thickness,l_length,l_start_height], face="right", h=text_height, t=text_thickness);

			}
			else
			{
				// Draw flat handle with square corners
				//
				difference() {
					translate([l_offset,-l_start_height*0.5,-l_start_height*0.5])
						cube(size=[l_thickness,l_length,l_start_height]);

					translate([l_offset,-l_start_height*0.5,l_start_height*0.5])
						rotate(a=-l_angle,v=[l_offset,0,0])
							cube(size=[l_thickness,l_length*1.5,l_start_height]);

					translate([l_offset,-l_start_height*0.5,-l_start_height*1.5])
						rotate(a=l_angle,v=[l_offset,0,0])
							cube(size=[l_thickness,l_length*1.5,l_start_height]);

				} // End difference
				writecube(text=text_data, where=[l_offset+(l_thickness/2),(-l_start_height*0.5)+(l_length/2),0], size=[l_thickness,l_length,l_start_height], face="right", h=text_height, t=text_thickness);

			} // End if

			// Draw the cylindrical connector
			//
			rotate(a=90,v=[0,1,0])
				cylinder(h=l_offset,r=connector_radius);

		} // End if handle_type  == l

		if (handle_type  == "r") {

			// Draw the round handle
			//
			translate([round_offset,0,0])
				resize(newsize=[round_height,round_diameter,round_diameter]) {
					sphere(r = 10);
					writesphere(text=text_data, where=[0,0,0], radius=10, east=90, h=text_height, t=text_thickness);
			}

			// Draw the cylindrical connector
			//
			rotate(a=90,v=[0,1,0])
				cylinder(h=round_offset,r=connector_radius);

		} // End if handle_type  == "r"

	} // End union

	// Draw the cout-out for the square shaft
	//
	translate([-margin,-shaft_offset,shaft_offset])
		rotate(a=90,v=[0,1,0])
			cube(size=[shaft_side,shaft_side,shaft_depth+margin]);

	// Draw the horizontal cylindrical screw hole
	//
	if (horizontal_screw == "y")
		translate([screw_offset,0,0])
			rotate(a=90,v=[1,0,0])
				cylinder(h=screw_length,r=screw_radius);

	// Draw the vertical cylindrical screw hole
	//
	if (vertical_screw == "y")
		translate([screw_offset,0,0])
			rotate(a=180,v=[1,0,0])
				cylinder(h=screw_length,r=screw_radius);

} // End difference

```


[User]
I'm trying to create a sort of animation effect where a shape morphs from one form to another. I have two sets of 3D points, `points_01` and `points_02`, and corresponding triangle lists, `triangles_01` and `triangles_02`, that define two polyhedra. I want to generate a sequence of polyhedra that transition smoothly between these two shapes by interpolating the vertex positions.

Essentially, the vertices of the final shape would be calculated by a linear interpolation of the original points (`points_02`) and the difference vector (`vectors` = `points_01`-`points_02`), controlled by a parameter that goes from 0 to 1. The interpolation formula would be `points_02 + vectors * t`.

I'd like a slider to control this interpolation `t`.  It would be great if this were a parametric design where I can control the number of steps used in the morphing sequence, let's call that `steps`, with an adjustable parameter. I'm thinking of displaying this as a row of objects, each displaying a point on the transformation. So if I set steps to 10 I would see the first shape, 9 intermediate shapes and finally the second shape.

I need this to be a parametric SCAD file and I'd like it to be clear what each value does. It would be nice if there were a text description of the parameter as well. Could you help me create an SCAD file for this?

[Assistant]
attempt1.scad:
```
/* [Global] */

pvalue = 20; // [10.0:20.0]
pvalue_text = "blah blah blah";

/* [Hidden] */

points_01 = [[-0.048376, -0.463729, 0.131425], [0.463729, -0.048376, 0.131425], [-0.463729, 0.048376, 0.131425], [0.048376, 0.463729, 0.131425], [-0.5, 0.5, -0.5], [0.5, 0.5, -0.5], [-0.5, -0.5, -0.5], [0.5, -0.5, -0.5], [-0.341008, 0.035574, 0.131425], [0.035574, 0.341008, 0.131425], [0.36768, 0.36768, -0.5], [-0.36768, 0.36768, -0.5], [-0.36768, -0.36768, -0.5], [0.36768, -0.36768, -0.5], [0.341008, -0.035574, 0.131425], [-0.035574, -0.341008, 0.131425]];
triangles_01 = [[8, 9, 11], [11, 9, 10], [12, 13, 15], [15, 13, 14], [13, 10, 14], [14, 10, 9], [15, 8, 12], [12, 8, 11], [2, 4, 3], [3, 4, 5], [6, 0, 7], [7, 0, 1], [3, 5, 1], [1, 5, 7], [4, 2, 6], [6, 2, 0], [2, 3, 8], [8, 3, 9], [5, 4, 10], [10, 4, 11], [6, 7, 12], [12, 7, 13], [1, 0, 14], [14, 0, 15], [7, 5, 13], [13, 5, 10], [3, 1, 9], [9, 1, 14], [0, 2, 15], [15, 2, 8], [4, 6, 11], [11, 6, 12]];

points_02 = [[-0.185412, -0.01639, 0.776613], [0.01639, -0.185412, 0.776613], [-0.01639, 0.185412, 0.776613], [0.185412, 0.01639, 0.776613], [-0.5, 0.5, -0.5], [0.5, 0.5, -0.5], [-0.5, -0.5, -0.5], [0.5, -0.5, -0.5], [-0.012052, 0.136344, 0.776613], [0.136344, 0.012052, 0.776613], [0.36768, 0.36768, -0.5], [-0.36768, 0.36768, -0.5], [-0.36768, -0.36768, -0.5], [0.36768, -0.36768, -0.5], [0.012052, -0.136344, 0.776613], [-0.136344, -0.012052, 0.776613]];
triangles_02 = [[9, 10, 8], [8, 10, 11], [13, 14, 12], [12, 14, 15], [14, 13, 9], [9, 13, 10], [12, 15, 11], [11, 15, 8], [4, 5, 2], [2, 5, 3], [0, 1, 6], [6, 1, 7], [1, 3, 7], [7, 3, 5], [6, 4, 0], [0, 4, 2], [2, 3, 8], [8, 3, 9], [5, 4, 10], [10, 4, 11], [6, 7, 12], [12, 7, 13], [1, 0, 14], [14, 0, 15], [7, 5, 13], [13, 5, 10], [3, 1, 9], [9, 1, 14], [0, 2, 15], [15, 2, 8], [4, 6, 11], [11, 6, 12]];

vectors = points_01 - points_02;

for (i = [0:10]){
translate([i, 0, 0])
polyhedron(points=points_02+vectors*(i/pvalue), triangles=triangles_02);
}

```


[User]
I'm trying to create a shape that morphs from one form to another, sort of like a blendshape animation in 3D software. I've got two sets of points and triangles, `points_01` and `triangles_01` which define the start shape and `points_02` and `triangles_02` which define the end shape. I also have a list of vectors that represent the change between those two shapes. I want to create an animation effect, or really a series of shapes, that interpolate between the two.

I'd like an OpenSCAD design that takes a parameter, let's call it `pvalue`, that controls the number of "frames" or intermediate shapes. The `pvalue` should have a range between, say, 10 and 20. It'll probably be an integer, the number of steps to go through in the interpolation. So the smaller `pvalue` is, the coarser the steps will be.
Then, for each "frame" or intermediate shape from 0 to `pvalue`, I'll want to see the blended shape rendered. The blend should linearly interpolate the positions of the points from `points_01` to `points_02` based on the current frame divided by `pvalue`. If the frame is 0, you'll see the start shape. If the frame is `pvalue`, you'll see the end shape. All of the intermediate shapes will be made of `triangles_02`.

I'd also like each rendered shape to be offset in the x-direction, so I can see each of them side-by-side in the rendered output. I'm thinking to offset them by their `frame` number.

I need the code to be fully parametric and also I need to be able to easily change the underlying point/triangle data. It would be easiest if this were all in one file, since there's not a ton going on.

No special libraries are needed for this project.

[Assistant]
attempt1.scad:
```
//Start with Dimensions
pvalue = 20; // [10.0:20.0]
/* [Hidden] */

points_01 = [[-0.048376, -0.463729, 0.131425], [0.463729, -0.048376, 0.131425], [-0.463729, 0.048376, 0.131425], [0.048376, 0.463729, 0.131425], [-0.5, 0.5, -0.5], [0.5, 0.5, -0.5], [-0.5, -0.5, -0.5], [0.5, -0.5, -0.5], [-0.341008, 0.035574, 0.131425], [0.035574, 0.341008, 0.131425], [0.36768, 0.36768, -0.5], [-0.36768, 0.36768, -0.5], [-0.36768, -0.36768, -0.5], [0.36768, -0.36768, -0.5], [0.341008, -0.035574, 0.131425], [-0.035574, -0.341008, 0.131425]];
triangles_01 = [[8, 9, 11], [11, 9, 10], [12, 13, 15], [15, 13, 14], [13, 10, 14], [14, 10, 9], [15, 8, 12], [12, 8, 11], [2, 4, 3], [3, 4, 5], [6, 0, 7], [7, 0, 1], [3, 5, 1], [1, 5, 7], [4, 2, 6], [6, 2, 0], [2, 3, 8], [8, 3, 9], [5, 4, 10], [10, 4, 11], [6, 7, 12], [12, 7, 13], [1, 0, 14], [14, 0, 15], [7, 5, 13], [13, 5, 10], [3, 1, 9], [9, 1, 14], [0, 2, 15], [15, 2, 8], [4, 6, 11], [11, 6, 12]];

points_02 = [[-0.185412, -0.01639, 0.776613], [0.01639, -0.185412, 0.776613], [-0.01639, 0.185412, 0.776613], [0.185412, 0.01639, 0.776613], [-0.5, 0.5, -0.5], [0.5, 0.5, -0.5], [-0.5, -0.5, -0.5], [0.5, -0.5, -0.5], [-0.012052, 0.136344, 0.776613], [0.136344, 0.012052, 0.776613], [0.36768, 0.36768, -0.5], [-0.36768, 0.36768, -0.5], [-0.36768, -0.36768, -0.5], [0.36768, -0.36768, -0.5], [0.012052, -0.136344, 0.776613], [-0.136344, -0.012052, 0.776613]];
triangles_02 = [[9, 10, 8], [8, 10, 11], [13, 14, 12], [12, 14, 15], [14, 13, 9], [9, 13, 10], [12, 15, 11], [11, 15, 8], [4, 5, 2], [2, 5, 3], [0, 1, 6], [6, 1, 7], [1, 3, 7], [7, 3, 5], [6, 4, 0], [0, 4, 2], [2, 3, 8], [8, 3, 9], [5, 4, 10], [10, 4, 11], [6, 7, 12], [12, 7, 13], [1, 0, 14], [14, 0, 15], [7, 5, 13], [13, 5, 10], [3, 1, 9], [9, 1, 14], [0, 2, 15], [15, 2, 8], [4, 6, 11], [11, 6, 12]];

vectors = points_01 - points_02;

for (i = [0:10]){
translate([i, 0, 0])
polyhedron(points=points_02+vectors*(i/pvalue), triangles=triangles_02);
}

```