[User]
Hey, I'm looking to design a keychain that helps me remember which floor I parked on in a parking garage. I've got some general ideas, but I'd like you to help me create a parametric OpenSCAD design.

Basically, the keychain will consist of a cylindrical base with numbers printed on the side, each number corresponding to a different floor. There will be a rotating top with a little car-shaped pointer. The top will have a nub that fits into a corresponding divot on the base, so you can rotate it and have it snap into position pointing to a specific floor.

Here's how I'm envisioning the parameters:

*   **`first_floor`**: The number of the lowest floor to include.
*   **`last_floor`**: The number of the highest floor to include.
*   **`radius`**: The overall radius of the cylindrical base and top.
*  **`height`**: The height of both the base and top cylinders.
*   **`snap_size`**: The radius of the small spheres on the base that form the snap points.
*   **`pin_radius`**: The radius of the pin and divot that allow the top to rotate and snap into place.
*   **`pin_length`**: The total length of the pin and divot assembly.
*   **`pin_depth`**: The depth of the divot on the base.
*   **`nub_size`**: The size of the nub that sits in the divot.
*   **`pin_thickness`**: The thickness of the walls surrounding the divot.
*   **`pin_space`**: The amount of space between the pin and its surrounding walls.

I also need a small car-shaped pointer on the rotating top, and a small loop for attaching a keyring.

I think that using the `write()` module from the `Write.scad` library to generate the numbers around the cylinder would be the easiest way to create those. Also, I will need to generate pin and pinhole geometry so I think those would be best as reusable modules.

Can you help me put together the OpenSCAD code for this?

[Assistant]
garage_car_finder.scad:
```
use <write/Write.scad>

/* [Hidden] */

$fn=20;

/* [Variables] */

layout = "print"; // ["print","top","bottom","pin"]
first_floor = 2;
last_floor = 7;

/* [Extras] */
radius = 20;
height = 15;
snap_size = 1;

n_floors = last_floor - first_floor + 1;

if(layout == "print")print();
if(layout == "top")top();
if(layout == "bottom")bottom();
if(layout == "pin")pinpeg(r=7/2,l=13,d=2.5-.1,nub=.4,t=1.8,space=.3);

module print(){
	top();

	translate([radius * 2.1,0,0])
	bottom();

	translate([radius * 3.5,0,0])
	pinpeg(r=7/2,l=13,d=2.5-.1,nub=.4,t=1.8,space=.3);
}

module bottom(){
	translate([0,0,height])
	rotate([180,0,0])
	difference(){
		cylinder(r = radius, h = height, $fn = n_floors);
		for(i = [first_floor:first_floor + n_floors - 1]){
			rotate([0,0,360 / n_floors * i])
			translate([radius * .6,0,0])
			sphere(r = snap_size);

			rotate([0,0,360 / n_floors * i + (n_floors-2)*180/n_floors/2 + 270])
			translate([sin((n_floors - 2) * 180 / n_floors / 2) * radius,0,height / 2])
			rotate([90,180,90])
			write(str(i),t=1,h=height * .8,center=true);
		}

		pinhole(r=3.5,l=13,nub=0.4,fixed=0,fins=1);

	}
}

module top(){
	translate([0,0,height])
	rotate([180,0,0])
	difference(){
		union(){
			cylinder(r = radius, h = height, $fn = n_floors);
			for(i = [first_floor:first_floor + n_floors - 1]){
				rotate([0,0,360 / n_floors * i])
				translate([radius * .6,0,0])
				sphere(r = snap_size);
			}
		}
		pinhole(r=3.5,l=13,nub=0.4,fixed=0,fins=1);

		rotate([0,0,360 / n_floors * ceil(n_floors / 2) + (n_floors-2)*180/n_floors/2 + 270])
		translate([sin((n_floors - 2) * 180 / n_floors / 2) * radius - .9,0,height / 3])
		rotate([90,0,90])
		linear_extrude(height = 1)
		scale(.5)
		car();

		//keychain
		translate([radius * 1.3, 0, height/2])
		rotate_extrude($fn = 50)
		translate([15,0])
		circle(r = 4);
	}
}

module car(){
	difference(){
		union(){
			//bottom of car
			hull(){
				//bottom left
				translate([-height * .8, height * .07, 0])
				circle(r = height * .125);
				//bottom right
				translate([height, height * .07, 0])
				circle(r = height * .125);
				//top left
				translate([-height * .8, height * .375, 0])
				circle(r = height * .125);
				//top right
				translate([height, height * .375, 0])
				circle(r = height * .125);
			}

			//top of car
			hull(){
				//bottom left
				translate([-height * .75, height * .375, 0])
				circle(r = height * .125);
				//bottom right
				translate([height / 1.25, height * .375, 0])
				circle(r = height * .125);
				//top left
				//translate([-height * .75, height * .75, 0])
				translate([-height * .5, height * .75, 0])
				circle(r = height * .125);
				//top right
				translate([height / 2.5, height * .75, 0])
				circle(r = height * .125);
			}
		}
		//left wheel
		translate([-height / 2, 0, 0])
		circle(r = height * .3);
		//right wheel
		translate([height / 2, 0, 0])
		circle(r = height * .3);
	}

	translate([-height / 2, 0, 0])
	circle(r = height * .25);

	translate([height / 2, 0, 0])
	circle(r = height * .25);
}

module pin(r=3.5,l=13,d=2.4,slot=10,nub=0.4,t=1.8,space=0.3,flat=1)
translate(flat*[0,0,r/sqrt(2)-space])rotate((1-flat)*[90,0,0])
difference(){
	rotate([-90,0,0])intersection(){
		union(){
			translate([0,0,-0.01])cylinder(r=r-space,h=l-r-0.98);
			translate([0,0,l-r-1])cylinder(r1=r-space,r2=0,h=r-space/2+1);
			translate([nub+space,0,d])nub(r-space,nub+space);
			translate([-nub-space,0,d])nub(r-space,nub+space);
		}
		cube([3*r,r*sqrt(2)-2*space,2*l+3*r],center=true);
	}
	translate([0,d,0])cube([2*(r-t-space),slot,2*r],center=true);
	translate([0,d-slot/2,0])cylinder(r=r-t-space,h=2*r,center=true,$fn=12);
	translate([0,d+slot/2,0])cylinder(r=r-t-space,h=2*r,center=true,$fn=12);
}

module nub(r,nub)
union(){
	translate([0,0,-nub-0.5])cylinder(r1=r-nub,r2=r,h=nub);
	cylinder(r=r,h=1.02,center=true);
	translate([0,0,0.5])cylinder(r1=r,r2=r-nub,h=5);
}

module pinhole(r=3.5,l=13,d=2.5,nub=0.4,fixed=false,fins=true)
intersection(){
	union(){
		translate([0,0,-0.1])cylinder(r=r,h=l-r+0.1);
		translate([0,0,l-r-0.01])cylinder(r1=r,r2=0,h=r);
		translate([0,0,d])nub(r+nub,nub);
		if(fins)translate([0,0,l-r]){
			cube([2*r,0.01,2*r],center=true);
			cube([0.01,2*r,2*r],center=true);
		}
	}
	if(fixed)cube([3*r,r*sqrt(2),2*l+3*r],center=true);
}

module pinpeg(r=3.5,l=13,d=2.4,nub=0.4,t=1.8,space=0.3)
union(){
	pin(r=r,l=l,d=d,nub=nub,t=t,space=space,flat=1);
	mirror([0,1,0])pin(r=r,l=l,d=d,nub=nub,t=t,space=space,flat=1);
}

```


[User]
Hey, I'm looking to create a parametric OpenSCAD design for a modular system, and I'm hoping you can help me generate the necessary code. I'm envisioning a base "X" module that can be customized in terms of size, thickness, and hole placement. Here’s a breakdown of what I need:

**Core Shape:**

*   The base module is essentially a cube with rounded edges.
*   There will be "inserts" or grooves cut into the top, bottom, and sides that allow for other modules to connect.
*   The module needs to have "chunks" taken out from each corner for design purposes.
*   There should be an option for screw holes that can be toggled on or off.

**Customizable Parameters:**

*   **`insertSize`**:  The size of the connecting inserts/grooves.
*   **`insertWall`**: The thickness of the outer wall of the module, for strength.
*   **`screwSize`**: The diameter of the screw holes; a value of 0 should omit screw holes.
*   **`cubeDepth`**: How deep the cube is.
*   **`cubeSize`**: How wide the cube is (width & height, since it's a cube)
*   **`cornerRadius`**: The radius of the rounded corners.
*   **`logoRadius`**: The radius of a logo depression (which I will explain next)

**Specific Design Elements:**

*   **Inserts/Grooves**: The inserts should run along the x and y axis and be of equal size.
*   **Corner Chunks**:  The corner "chunks" that are removed should be rounded and similar to how the rounded edges of the overall cube are done.
*   **Screw Holes**: If the `screwSize` is greater than 0, I want screw holes placed on each side of the X, and also on the top and bottom of each side of the X. These holes should be positioned such that they are roughly within the corners of the "chunks" taken out.
*   **Logo Area**: In the center of the module, there should be a raised (or depressed) area, with a circular depression in the center of that area. A piece of text ("m") should then be placed on the raised area at the bottom. The size of the raised area needs to be slightly bigger than the size of `insertSize`.

**Additional Requirements**

* I'd like the file to be set up with variables at the top for easier customization via OpenSCAD Customizer.

**Libraries**

I don't need any specific libraries like MCAD or BOSL.

Could you generate the necessary OpenSCAD code to create this "X" module?

[Assistant]
x_moidule.scad:
```
$fn=64*1; //make Rounted Edges smoother.

//Enter the size of the board you want to insert.
insertSize=9;

//Make outer wall thicker for added Strength
insertWall=3; //[2:10]

//Enter 0 for no screws, else put diameter of screw hole
screwSize = 4;

//how deep the pieces is
cubeDepth=50;

//how wide the piece is
cubeSize=85;

//Global Values
logoRadius = 5*1;   //Make Customizer not use as control
cornerRadius = 5*1; //Make Customizer not use as control

//Customizer craps out if all vars aren't at the top
cubeCenter = (cubeSize / 2) * -1;

insertCenterA = insertSize / 2;
insertCenterDistance = 2 + logoRadius;
insertCenterB = (cubeSize+2) / 2;

chunkSize = (cubeSize/2) + insertSize;
chunkDist = (insertSize / 2) + insertWall;

screwCenter = cubeSize / 2;
screwCenterHeight = cubeDepth / 2;
screwPos1 = (cornerRadius*2) + chunkDist;
screwPos2 = (cubeSize / 2) - (screwSize) - (screwSize/2);

logoSize = insertSize + (insertWall*2) + (cornerRadius/2);
logoCenter = (logoSize/2) * -1;

union(){
    difference(){
        //.....................................
        //Base shape to chizzle away at.
        translate([cubeCenter,cubeCenter,0]) cube([cubeSize,cubeSize,cubeDepth]);

        //.....................................
        //Inserts
        translate([-insertCenterA,-insertCenterB,3])
            cube([insertSize,cubeSize+2,cubeDepth]);

        translate([-insertCenterB,-insertCenterA,3])
            cube([cubeSize+2,insertSize,cubeDepth]);

        //.....................................
        //Remove corners chunks
        //Top-Right
        translate([chunkDist,chunkDist,-1])
            roundedCube(chunkSize,chunkSize,cubeDepth+2,cornerRadius);

        //Top-Left
        translate([-(chunkDist+chunkSize),chunkDist,-1])
            roundedCube(chunkSize,chunkSize,cubeDepth+2,cornerRadius);

        //Bottom-Right
        translate([chunkDist,-(chunkDist + chunkSize),-1])
            roundedCube(chunkSize,chunkSize,cubeDepth+2,cornerRadius);

        //Bottom-left
        translate([-(chunkDist+chunkSize),-(chunkDist + chunkSize),-1])
            roundedCube(chunkSize,chunkSize,cubeDepth+2,cornerRadius);

        //.....................................
        //Remove corners chunks
        if(screwSize > 0){
            //Top
            translate([-screwCenter,screwPos1,screwCenterHeight]) rotate([0,90,0]) cylinder(cubeSize+10,screwSize,screwSize);
            translate([-screwCenter,screwPos2,screwCenterHeight]) rotate([0,90,0]) cylinder(cubeSize+10,screwSize,screwSize);

            //Bottom
            translate([-screwCenter,-screwPos1,screwCenterHeight]) rotate([0,90,0]) cylinder(cubeSize+10,screwSize,screwSize);
            translate([-screwCenter,-screwPos2,screwCenterHeight]) rotate([0,90,0]) cylinder(cubeSize+10,screwSize,screwSize);

            //Right
            translate([screwPos1,screwCenter,screwCenterHeight]) rotate([90,0,0]) cylinder(cubeSize+10,screwSize,screwSize);
            translate([screwPos2,screwCenter,screwCenterHeight]) rotate([90,0,0]) cylinder(cubeSize+10,screwSize,screwSize);

            //Left
            translate([-screwPos1,screwCenter,screwCenterHeight]) rotate([90,0,0]) cylinder(cubeSize+10,screwSize,screwSize);
            translate([-screwPos2,screwCenter,screwCenterHeight]) rotate([90,0,0]) cylinder(cubeSize+10,screwSize,screwSize);
        }//if
    }//dif

    //.....................................
    //Center Box with Logo
    difference(){
        translate([logoCenter,logoCenter,0])
            cube([logoSize,logoSize,cubeDepth]);

        translate([0,0,cubeDepth-3])
            cylinder(4,logoRadius,logoRadius);
    }//dif

    translate([0,0,cubeDepth-3]) linear_extrude(height=3){
        text(text="m",size=7,halign="center",valign="center");
    }
}//union

module roundedCube(x,y,z,r){
    hull(){
        translate([r,r,0]) cylinder(z,r,r);
        translate([x-r,r,0]) cylinder(z,r,r);
        translate([r,y-r,0]) cylinder(z,r,r);
        translate([x-r,y-r,0]) cylinder(z,r,r);
    }//hull
}//mod
```


[User]
I'd like to design a parametric gimbal-like structure in OpenSCAD. It'll consist of concentric rings, and the center can either be a full hemisphere or a ring like the others.

Here's what I need to be able to control:

*   **Center Type:** A boolean value (or maybe an integer, like 0 for a ring, 1 for a hemisphere) to switch between a ring or hemisphere for the center part of the gimbal.
*   **Number of Rings:** An integer controlling how many rings make up the gimbal, excluding the central part, with a minimum of 2 and a maximum of 12 rings.
*   **Gap:** The radial gap between each ring.
*   **Ring Height:** The height of all the rings.
*  **Radius Mode**: An integer determining the starting radius for the rings. If 0, the radius will be based on an internal radius parameter; if 1, it uses a minimal ring radius parameter.
*   **Internal Radius:** The starting radius of the innermost ring if Radius Mode is 0.
*   **Minimal Ring Radius:** The starting radius of the innermost ring if Radius Mode is 1.
*   **Shell Definition:**  A way to define the shell thickness for each ring. This can be controlled by either an overall 'thickness' value (a thickness is uniformly applied to the object) or an external radius (the shell is set to the total external radius divided by the number of rings.) If 'thickness' is used then every ring has this shell thickness; if 'external_radius' is used then the shell is based on the available distance to the external radius divided by the total number of rings. I imagine this would be another boolean or integer flag.

*   **Thickness:** The shell thickness for each ring if the shell definition uses a thickness method.
*   **External Radius:** The external radius of the gimbal, when using an external radius for shell definition.

Each ring should have a cylindrical profile and include small cutouts on opposing sides for a mechanical aesthetic; the innermost ring will be based on the `internal_radius` or the `minimal_ring_radius` as determined by the `radius` parameter, and each outer ring will be offset from the previous by an amount equal to `shell + gap`. The outermost ring should have the cylinder in an outer orientation, with the inner rings having cylinders in an inner orientation.

Also, I'd like to incorporate a build plate module from a library I use.  I'm using a function to create a build plate for different printer models, but for the sake of this project, just assume that there is an external library that provides a function named `build_plate()` that takes the arguments `build_plate_selector` as an integer index to pick printer type, `build_plate_manual_x` and `build_plate_manual_y` if `build_plate_selector` is set to "Manual".

I also need to be able to control the `$fa` and `$fs` parameters, with default values of 5 and 0.4.  I'd like to set a nozzle size using a parameter `nozzle_size`, defaulting to 0.4

The overall structure should be centered at the origin. It's fine if you use libraries (I'm okay with commonly used ones like MCAD or BOSL2), but please specify which ones you use so I don't have any missing dependencies.

[Assistant]
gimbal.scad:
```
//by Thingiverse user Steamgear
use <build_plate.scad>;
use <utils/build_plate.scad>;

/* [Basic] */
center = 1;//[0:Ring,1:Hemisphere]
number_of_rings = 6;//[2:12]

/* [Advanced] */
gap = 0.5;
ring_height = 5;
radius = 1;//[0:internal, 1:minimal]
internal_radius = 10;
minimal_ring_radius = 10;

Use = 0;//[0:thickness,1:exernal_diameter]
thickness = 3;
external_radius = 13;

shell = Use==0 ? thickness : external_radius/number_of_rings-gap;
minimal_radius =  radius == 0 ? internal_radius+shell : minimal_ring_radius;

/* [Printing] */

//for display only, doesn't contribute to final object
build_plate_selector = 3; //[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 = 190; //[100:400]

//when Build Plate Selector is set to "manual" this controls the build plate y dimension
build_plate_manual_y = 190; //[100:400]

nozzle_size  = 0.4;

/* [Hidden] */
$fa = 5;//Minimal angle
$fs = 0.4; //Minimal size of a fragment

//minimal_radius = internal_radius+shell;

module inner_ring(radius, height, shell){
	sphere(r = radius, center = true);
	for(i = [0:1]){
		rotate([0,0,180*i])
		translate([radius-shell/2,0,0])
		rotate([0,90,0])
		cylinder(r1 = (gap+shell)*0.8,r2 = nozzle_size, h = gap+shell, center = false);
	}

}

module middle_ring(radius, height, shell){
	rotate([0,0,90])
	for(i = [0:1]){
		rotate([0,0,180*i])
		translate([radius-shell/2,0,0])
		rotate([0,90,0])
		cylinder(r1 = (gap+shell)*0.8,r2 = nozzle_size, h = gap+shell, center = false);
	}
	difference(){
		difference(){
		sphere(r = radius);
		sphere(r = radius - shell);
		}
		for(i = [0:1]){
			rotate([0,0,180*i])
			translate([radius-shell-gap,0,0])
			rotate([0,90,0])
			cylinder(r1 = (gap+shell)*2/3,r2 = nozzle_size, h = 0.1+gap+shell/2, center = false);
		}
	}
}

module outer_ring(radius, height, shell){
	difference(){
		difference(){
			cylinder(r = radius, h = height, center = true);
			sphere(r = radius-shell, center = true);
		}
		for(i = [0:1]){
			rotate([0,0,180*i])
			translate([radius-shell-gap,0,0])
			rotate([0,90,0])
			cylinder(r1 = (gap+shell)/2,r2 = nozzle_size, h = 0.1+gap+shell/2, center = false);
		}
	}
}

translate([0,0, ring_height/2]){
	if (center == 1){							//Central part
		intersection(){
			inner_ring(minimal_radius, ring_height, shell);
			translate([0,0,-ring_height/2])
			cylinder(r = minimal_radius+(shell+gap*2), h = minimal_radius*2, center = false);
		}
	} else if (center == 0){
		intersection(){
			difference(){
				inner_ring(minimal_radius, ring_height, shell);
				cylinder(r = minimal_radius-shell, h = ring_height+1, center = true);
			}
			cylinder(r = minimal_radius+(shell+gap*2), h = ring_height, center = true);
		}
	}

	if(number_of_rings > 2){				//Middle part
		intersection(){
			for (i = [0:number_of_rings-3]){
			rotate([0,0,i*90])
			middle_ring(minimal_radius+(shell+gap)*(i+1), ring_height, shell);
			}
		cylinder(r = minimal_radius+(shell+gap)*number_of_rings, h = ring_height, center = true);
		}
	}

	if(number_of_rings % 2 == 0){			//External part
		outer_ring(minimal_radius+(shell+gap)*(number_of_rings-1), ring_height, shell);
	} else {
		rotate([0,0,90])
		outer_ring(minimal_radius+(shell+gap)*(number_of_rings-1), ring_height, shell);
	}
}

build_plate(build_plate_selector,build_plate_manual_x,build_plate_manual_y);
```


[User]
I'm looking to create a customizable shelving system, and I've got a pretty good idea of what I want. I'm envisioning modular pieces that can connect to each other to form different shelf configurations. The core of each module will be a central piece with slots or notches to hold the shelf boards.

Here are the parameters I'd like to control for each module:

*   **Number of Connectors:** I want to be able to specify how many boards can connect to a single module. This will be between 1 and 4 initially, but ideally, it should be somewhat extensible beyond that.
*   **Connector Angle:** The angle between each board connector should be customizable, starting with 90 degrees.
*   **Board Thickness:** The thickness of the boards that will be inserted into the module.
*   **Notch Length:** How long the cutout for the boards should be.
*   **Notch Depth:** How deep the cutout for the boards should be.
*   **Shell Thickness:** The overall thickness of the module walls.
*   **Inner Edge Fillet:** The fillet radius for the inner edges of the module. I'd like to be able to set this to 0 for no fillet.
*   **Bottom Part:** An option to make the module a bottom piece, which will include a foot or base.
*  **Straight 1-Connector Bottom:**  An option for the bottom part when there is only one connector; whether it should face forward or to the side.
*   **Ground Offset:** The height of the base, when creating a bottom piece.
*   **Foot Width:** The width of the base.
*   **Board Hole:** An option to include a hole in the middle of each board slot, and the hole's diameter.
*   **Brace Hole:** An option to add a hole for diagonal bracing, as well as hole size and depth.
*  **Back Parts:** How many back panels the module should support (from 0 to 4), and the hole size to attach them.
*   **Number of Spaces:** The number of rounded edge pieces, controlled by the formula `spaces = (pow(connectors_amount, 2) / 2) - (3 * connectors_amount / 2) + 2`

I think that covers all the adjustable bits. It would be fantastic if the design used OpenSCAD and was fully parametric. I'm not looking for any specific libraries but would be happy with whatever makes the most sense. The goal is to be able to input all these parameters and generate a custom module for my shelf design. Can you help me with that?

[Assistant]
shelf_modules.scad:
```
/* [Basics] */
//how many boards do you want to connect? (default: 1-4; experimental)
connectors_amount = 3;
//angle between connectors..(default: 90; experimental)
connectors_angle = 90;
//enter the thickness of your boards (0 for shell only, which would then be double..)
board_thickness = 9;
//how long should the cutout for the board be?
notch_lenght = 35;
//depth of the cutout
notch_depth = 30;
//thickness of the walls
shell_thickness = 2;
//inner edges fillet (0 for none, default: 7; experimental)
edges_fillet = 7; //[0:10]
/* [Bottom Part] */
//false, if no foot is required
its_a_bottom_part = "false"; //[true, false]
//false, if the 1-connector-bottom-parts slot should face to the side
straight_1_connector_bottom = "false"; //[true, false]
//how thick should the foot be?
ground_offset = 16;
//what width should the foot have? (default: 30; experimental)
foot_width = 30; //[0:100]
ground_surface = ((notch_lenght + shell_thickness) * 2 + board_thickness)* foot_width / 100;
/* [Holes] */
//true, if there should be holes in the middle of the slotpartkindofthing
insert_hole_for_board = "true"; //[true, false]
//diameter of the hole
board_hole_size = 3;
//true, if there is shold be a hole for screws for some diagonal braces
insert_hole_for_brace = "true"; //[true, false]
//size of said holes
brace_hole_size = 3;
//depth of said holes
brace_hole_depth = 20;
/* [Panels] */
//amount of back parts (default: 0-4, experimental)
back_parts_amount = 0; //[0:4]
//size of holes (default: 3)
back_part_hole_size = 3;
/* [Edge] */
// polynomial that goes through (1,1), (2,1), (3,2), (4,3) for number of spaces between rectangular notches
    //y(x) = pow(x, 2) / 2 - 3 * x / 2 + 2
spaces = (pow(connectors_amount, 2) / 2) - (3 * connectors_amount / 2) + 2;

module centerpiece(){
        if((connectors_amount < 5) && (connectors_angle == 90)){
                cube([board_thickness + shell_thickness * 2, board_thickness + (shell_thickness*2), notch_depth + shell_thickness], center = true);}
        else{
            cylinder(h = notch_depth + shell_thickness, r = board_thickness + shell_thickness, center = true);
        }
}

module brace_hole(){
    if (insert_hole_for_brace == "true"){
        difference(){
            centerpiece();
            translate([0, 0, - notch_depth / 2 - 1]) cylinder (h = brace_hole_depth + 1, r = brace_hole_size / 2, center = false, $fn=brace_hole_size + 2);
        }
    } else{
        centerpiece();
    }
}

module ground_piece(){
    if (its_a_bottom_part == "true" && connectors_amount < 4){
        translate([0, (ground_offset + board_thickness) / 2 + shell_thickness, 0])
        cube([ground_surface, ground_offset, notch_depth + shell_thickness], center = true);
    }
}

module notch(){
    difference(){
        //centerpiece();
        translate([0, (notch_lenght + board_thickness) / 2 + shell_thickness, 0])
            cube([board_thickness + shell_thickness * 2, notch_lenght + shell_thickness*0, notch_depth + shell_thickness], center = true);
        translate([0, notch_lenght / 2 + board_thickness, shell_thickness / 2 + 1])
            cube([board_thickness, notch_lenght * 2, notch_depth + shell_thickness + 0.1], center = true);
    }
}

module board_hole(){
    if (insert_hole_for_board == "true"){
        difference(){
            notch();
            translate([0, (notch_lenght + board_thickness + 2 * shell_thickness) / 2, 0])
            rotate([0,90,0]) cylinder(h=board_thickness + 2 * shell_thickness + 0.1, r = board_hole_size / 2, center = true);}
}
else{
    notch();}
}

module rounded_corner(){
    difference(){
    translate([-(board_thickness + 2 * shell_thickness + notch_lenght / edges_fillet) / 2,-(board_thickness + 2 * shell_thickness + notch_lenght / edges_fillet) / 2, 0])
        cube([notch_lenght / edges_fillet, notch_lenght / edges_fillet, notch_depth+shell_thickness], center = true);
    translate([-(board_thickness + 2 * shell_thickness + 2* notch_lenght / edges_fillet)/2,-(board_thickness + 2 * shell_thickness + 2*notch_lenght / edges_fillet) / 2, 0])
        cylinder(h = notch_depth+shell_thickness+0.1, r = notch_lenght/edges_fillet, center = true);;}

}

module main(){
    union(){
    brace_hole();
    for (i = [1 : connectors_amount]){
        rotate([0, 0, connectors_angle * i]) board_hole();}
    if (connectors_amount > 1 && connectors_amount < 8 && connectors_angle == 90){

        for (i = [1 : pow(2, connectors_amount - 2)]){
            rotate([0, 0, (i - 1) * connectors_angle]) rounded_corner();
        }
    }
    if (its_a_bottom_part == "true" && (connectors_amount == 1)){
        if (straight_1_connector_bottom == "false" && its_a_bottom_part == "true"){
        translate([(board_thickness + 2 * shell_thickness - ground_surface) / 2, 0, 0]) ground_piece();}
        else{
            translate([(ground_offset + board_thickness) / 2 + shell_thickness, 0, 0]) cube([ground_offset, board_thickness + 2 * shell_thickness, notch_depth + shell_thickness], center = true);}
    }
    if (its_a_bottom_part && (connectors_amount == 2)){
    translate([(board_thickness + 2 * shell_thickness - ground_surface) / 2, 0, 0]) ground_piece();}
    if (its_a_bottom_part && (connectors_amount == 3)){
        ground_piece();}
    }
}

module add_back_notch(){
    if (back_parts_amount > 0){
        difference(){
            union(){
                main();
                for (i = [1 : back_parts_amount]){
                    rotate([0, 0, (i - 1) * connectors_angle])
                    translate([-(board_thickness + shell_thickness * 2 + notch_lenght) / 2, -(notch_lenght + board_thickness + 2 * shell_thickness) / 2,-(notch_depth - board_thickness - shell_thickness) / 2])
                    cube([notch_lenght, notch_lenght, board_thickness + 2 * shell_thickness], center = true);
                }
            }
            for (i = [1 : back_parts_amount]){
                rotate([0, 0, (i-1) * connectors_angle])
                translate([-(board_thickness + shell_thickness * 2 + notch_lenght) / 2 - 1, -(notch_lenght + board_thickness + 2 * shell_thickness) / 2-1,-(notch_depth - board_thickness - shell_thickness) / 2])
                cube([notch_lenght+2, notch_lenght+2, board_thickness], center = true);
                rotate([0, 0, (i-1) * connectors_angle])
                translate([-(board_thickness + shell_thickness * 2 + notch_lenght) / 2, -(notch_lenght + board_thickness + 2 * shell_thickness) / 2,-(notch_depth - board_thickness - shell_thickness) / 2])
                cylinder(h = board_thickness + 2 * shell_thickness + 0.1, r = back_part_hole_size / 2, center = true);
            }

        }
}else{
    main();
}
}
//    rotate([0, -90, 90]) translate([-(notch_depth - board_thickness - shell_thickness * 2 + shell_thickness) / 2, 0, (board_thickness + notch_depth + shell_thickness)/2+shell_thickness]) board_hole();

add_back_notch();

//TODO: center board hole
//TODO:
```


[User]
Hey there! I'm looking to create some custom plant labels for my garden, and I'd love for you to design an OpenSCAD file (or files) for me. I've seen some similar designs online, and I've got a pretty good idea of what I want.

Essentially, I need a label with a rectangular base, a stick that goes into the ground, and some text on the label itself. The text should be raised for easy visibility.

Here's a breakdown of the features I'm hoping for:

**General Structure:**

*   The label should have a rectangular base with rounded corners.
*   A stick should be attached to the bottom of the rectangle, angling slightly backward.
*   The label text will be raised on the rectangular base.

**Parametric Customization:**

*   **Text:** The text on the label should be customizable. I need to be able to specify what the text says.
*   **Font:** I'd like to be able to choose the font for the text. I'd like a variety of fonts available to use for this, and I know that `write.scad` is a common one for this kind of project.
*   **Font Size:** The size of the text should be adjustable.
*   **Text Thickness:** I also need control over how far the text sticks up from the base, allowing for good visibility.
*   **Label Dimensions:**
    *   I need control over the width and height of the rectangular label base.
    *   I need control over the width and height of the stake that goes into the ground
    *   I need to be able to adjust the thickness of the label base itself.
*   **Stick Angle:** It would be great to have the option to change the angle of the stake, so it's not always straight down.

**Filament Color Change:**
*   To achieve better contrast, I plan on changing the filament during the print process, so I need to make sure that the text is a distinct, separate region of the model for printing purposes.

I think that covers it. Can you create the necessary files, including `write.scad` and the main label file? I'm excited to see what you come up with!

[Assistant]
HerbalLabelCustomizer_0.4.scad:
```
// ======================================================
// HerbalLabelCustomizer 0.4
// -------------------------
// Author: uit
//
// Thingiverse Description:
// ------------------------
// Thing Name : Herbal Label Customizer
// Description: never again lose track of your seedlings. Design and print labels for your herbs. Customize dimensions, font and text of your labels. For better contrast of your label, change your filament mid-print.
// Changelog
// ---------
// 20150316 - 0.4 - preview definition
// 20150316 - 0.3 - optional Angle
// 20150316 - 0.2 - implement write.scad
// 20150316 - 0.1 - initial Version for Customizer
// ======================================================
// Resources: http://customizer.makerbot.com/docs
// Customizer Custom Settings:
// ----------------------------
// preview[view:south,tilt:top]
// ======================================================

// for Makerbot Customizer, which uses an old Version (2013.06) of OpenSCAD
use <write/Write.scad>

/* [Text] */
// Your Text
Text_Label="Rosemary";
// Choose your Font
Text_Font      =   "orbitron.dxf"; //[orbitron.dxf,Letters.dxf,knewave.dxf,BlackRose.dxf,braille.dxf]
// [mm]
Text_FontSize  = 7;
// Height of the text in Z-Dimension [mm]
Text_Thickness    = 0.4;

/* [Dimensions] */
// [mm]
Width_Label      =   60;
// [mm]
Height_Label     =   12;
// [mm]
StickWidth      =   8;
// [mm]
StickHeight     =   60;
// [mm] (without the Text) in Z-Dimension
Thickness_Label =   0.6;
// ignore variable values
StickBaseHeight =   Thickness_Label;

/* [Optional] */
Angle_Stick=30; //[15:45]

module BuildTextCompatible(text){
    color("Yellow")
    union() write(text, h=Text_FontSize, t=Text_Thickness, font=Text_Font, center=true);
} // module BuildTextCompatible

module RoundedRectangleFilled(Width_Label,Height_Label,Thickness_Label){
    $fn=128;
    union(){
        minkowski(){
            cube([Width_Label,Height_Label,Thickness_Label/2],center=true);
            cylinder(r=2,h=Thickness_Label/2,center=true);
            }
    } // end union
} // end module

module RoundedRectangleFrame(Width_Label,Height_Label,Thickness_Label,ThicknessBorder){
    $fn=128;
    union() difference(){
       RoundedRectangleFilled(Width_Label,Height_Label,Thickness_Label);
       RoundedRectangleFilled(Width_Label-ThicknessBorder,Height_Label-ThicknessBorder,Thickness_Label);
   } // end difference
} // end module

module BasePlate(){
    color("Blue")
    union() RoundedRectangleFilled(Width_Label,Height_Label,Thickness_Label);
} // end module BasePlate

module Stick(){
    color("Blue")
    difference(){
        union(){
            translate([0,-StickHeight/2-Height_Label/2-2,0])
            cube(size=[StickWidth,StickHeight,Thickness_Label], center = true);
        }// end union

        // AngleCut
        color("Red") translate([0,-StickHeight-Height_Label/2-2,-10]) rotate(0-Angle_Stick) cube([20,20,20]);
        color("Red") translate([0,-StickHeight-Height_Label/2-2,-10]) rotate(-270+Angle_Stick) cube([20,20,20]);
    }//end difference
} // end module stick

module Label(text){
    union(){
        BasePlate();
        Stick();
        translate([0,0,Thickness_Label/2]) RoundedRectangleFrame(Width_Label-1,Height_Label-1,Thickness_Label,1);
        translate([0,0,Thickness_Label/2]) BuildTextCompatible(text);
    } // end union
} // end Label(text)

Label(Text_Label);

```


[User]
I'd like to have an OpenSCAD design for a customizable hex bit holder. I saw one on Thingiverse ([https://www.thingiverse.com/thing:784932](https://www.thingiverse.com/thing:784932)) but want to make a few changes and also generate it parametrically myself.

Here are the parameters I'm interested in controlling:

*   **Rows:** The number of rows of bit holders.
*   **Columns:** The number of columns of bit holders.
*   **Base Height:** The overall height of the base of the holder.
*   **Tolerance:** A tolerance value to adjust the hole size to account for printer variations. This can be a positive or negative value in mm.
*   **Extra Padding:** The padding between the side of the base and the bit holes, in mm.
*   **Rounded Corners:** A boolean parameter to enable/disable rounded corners on the base.
*   **Hole Through:** A boolean parameter to define if the bit holes go completely through the base or only partially.
*   **Slotted:** A boolean parameter to add slots to the walls for more flexibility, where the slots depth should be 75% of the base height.
*   **Bit Size:** The size of the bit, using 6.35 mm (1/4") as the default value.

The design should calculate the outer radius of each bit hole based on the bit size plus the tolerance. Then it should calculate the total width and depth based on the row and column values and the extra padding and the outer radius for the bit holes.

The base should be created using Minkowski sum with a cylinder to provide the rounded corners. Each bit hole should be a cylinder. A difference operation should be used to subtract the bit holes and slot cutouts from the base.

I'd like it to be in separate files like the original design, `HexBitHolder.scad` and any functions in `helper.scad`.

Thanks!

[Assistant]
HexBitHolder.scad:
```
/**
	Customisable hex bit holder
	Copyring Mykhaylo Lytvynyuk March 2015
	http://mobilemodding.info
	Released under
	Attribution - Non-Commercial - No Derivatives License

	*** March 16, 2015 Initial Version
*/

// number of rows
_row = 2;//[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15]

// number of columns
_colum = 2;//[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15]

// mm, base height
_height = 15;

// mm, printer tolerance, can be negative, required to compensate specific printer contraction/expansion during print.
_tolerance = 0.33;

//mm, between sides and bit
_extraPadding = 3;

// Rounded corners
_rounded = 1;//[1:Yes,0:No]

// Determines if hole goes compeltely through the base
_holeThrough = 1;	//[1:Yes,0:No]

// Make slot to add flex to the walls
_slotted = 1;//[1:Yes,0:No]

// mm, defines bit zise ( 6.35 is 1/4" )
_bitSize = 6.35;

/* [Hidden] */
// local vars
outerRadius = outRadius(_bitSize + _tolerance/2,6);
delta = outerRadius + _extraPadding;
width = ( _colum * (outerRadius + _extraPadding) );
depth = ( _row * (outerRadius + _extraPadding) );
minkowskiCylinderHeight = 1;

module assembly() {

difference() {
	base();
	for(yd = [1:_row]) {
		for(xd = [1:_colum]) {
				translate([(xd * delta)-(delta/2),(yd *delta)-(delta/2),_holeThrough?0:1]) hexBit();
		}
		if(_slotted){
			translate([-2,(yd *delta)-(delta/2) - 1,minkowskiCylinderHeight + _height - _height * 0.75]) cube([width + 4,2,_height*0.75],center=false);
		}
	}
}

}

module hexBit() {
	cylinder(h=_height+minkowskiCylinderHeight,r=outRadius(_bitSize/2 + _tolerance/2,6),$fn=6, center = false);
}

module base() {
	minkowski() {
		cube([width,depth,_height]);
		if(_rounded) cylinder(r=1,h=minkowskiCylinderHeight,$fn=32,center = false);
	}
}

// calculates outradious by given inradius
function outRadius(inradius, sides) = inradius / ( cos (180 / sides));

assembly();
```


[User]
I'm looking to create a customizable corner clip for holding a glass bed on a 3D printer. I've got two files, `GlassBedCorner.scad` and a slightly modified version of it. I want the AI to create a new version of these, but designed from scratch with a few specific features in mind, and including a couple options.

The base of the clip needs to have a slot to slide over a bolt on the printer's heated bed. The key is that this slot needs to be configurable, so I can adjust its diameter. Also the base should also have an adjustable base thickness, since this will impact the length of the screw I will need. I'd like a parameter for the diameter of the bolt that will be inserted into that slot. It should probably make it slightly bigger than the bolt by a fraction to allow for easy placement.

On the sides, I want upright towers or tabs that will hold the glass plate in place. There should be parameters for the height of the heated bed, and the thickness of the glass. The towers should be slightly taller than the stack of these two things. They need a parameter for overhang, which is how much they butt up against the glass plate. The overhang will vary, because I don't want the towers to go over the glass and interfere with the print head, but still hold the glass firmly enough. I have two parameters for this, one for how much the overhang pushes on the glass in the X direction, and another for the Y direction, since they may not be the same.

Finally, and this is important, I want an option to choose between having either the standard tabs which hold the glass at two edges, or a full corner. I'd like to control that with a boolean.

I'd like the code generated in a way that it is easy to understand, and if possible, please include helpful comments that explain the functions of the different sections of the code. I think this would help me learn the code more easily. Could you use the BOSL2 library for this, if possible? That seems like a good way to organize things.

[Assistant]
GlassBedCorner.scad:
```
// openscad model by markwal
// modeled on thing:613685 by jherridge
// dimensions in mm

// (mm) a thicker base requires a longer screw
base_thickness=4;

// (mm) thickness of your build platform before the glass is added (both the heater and the aluminum)
heated_bed_thickness=10;

// (mm) thickness of the glass plate
glass_thickness=2;

// (mm) width of the bolt slot
bolt_diameter=3;

// overhang is the space on each side where the aluminum plate
// is bigger than the glass plate.  Round up because that
// will just leave some air between the edge of the plate
// and the clip.  Rounding down will leave play for the glass.

// (mm) the overhang pushes on the glass to hold it in place, the smaller the glass (in x and y) the more overhang you need
overhang=2;

union() {

difference() {
	// base
	cube([24,24,base_thickness]);

	// slot
	rotate([0,0,-45])
	translate([0,8,0]) hull() {
		translate([0,18,0])
			cylinder(h=base_thickness,d=bolt_diameter, $fn=90);
		cylinder(h=base_thickness,d=bolt_diameter,$fn=90);
	}
}

// we make the towers completely overlap the base and
// the overhang in order to avoid problems generating
// the mesh when rounding may have the faces not overlap
translate([12,0,0])
	cube([12,5,base_thickness+heated_bed_thickness+glass_thickness]);
translate([12,0,base_thickness+heated_bed_thickness])
	cube([12,5+overhang,glass_thickness]);

translate([0,12,0])
	cube([5,12,base_thickness+heated_bed_thickness+glass_thickness]);
translate([0,12,base_thickness+heated_bed_thickness])
	cube([5+overhang,12,glass_thickness]);
}
```
GlassBedCorner.scad:
```
// openscad model by markwal
// modeled on thing:613685 by jherridge
// dimensions in mm

// Do you want tabs to hold the glass or a full corner?
full_corner=0;  // [0:tabs,1:full corner]

// (mm) a thicker base requires a longer screw
base_thickness=4;

// (mm) thickness of your build platform before the glass is added (both the heater and the aluminum)
heated_bed_thickness=10;

// (mm) thickness of the glass plate rounded down
glass_thickness=2;

// (mm) width of the bolt slot
bolt_diameter=3;

// overhang is the space on each side where the aluminum plate
// is bigger than the glass plate.  Round up because that
// will just leave some air between the edge of the plate
// and the clip.  Rounding down will leave play for the glass.

// (mm) the overhang pushes on the glass to hold it in place, the smaller the glass (in x and y) the more overhang you need
overhang=2;

union() {

difference() {
	// base
	cube([24,24,base_thickness]);

	// slot
	rotate([0,0,-45])
	translate([0,8,0]) hull() {
		translate([0,18,0])
			cylinder(h=base_thickness,d=bolt_diameter, $fn=30);
		cylinder(h=base_thickness,d=bolt_diameter,$fn=30);
	}
}

// we make the towers completely overlap the base and
// the overhang in order to avoid problems generating
// the mesh when rounding may have the faces not overlap
translate([12*(1-full_corner),0,0])
	cube([12*(1+full_corner),5,base_thickness+heated_bed_thickness+glass_thickness]);
translate([12*(1-full_corner),0,base_thickness+heated_bed_thickness])
	cube([12*(1+full_corner),5+overhang,glass_thickness]);

translate([0,12*(1-full_corner),0])
	cube([5,12*(1+full_corner),base_thickness+heated_bed_thickness+glass_thickness]);
translate([0,12*(1-full_corner),base_thickness+heated_bed_thickness])
	cube([5+overhang,12*(1+full_corner),glass_thickness]);
}
```


[User]
I'm looking to create a stackable card tray for board game resources, specifically something that can hold cards and also stack nicely into each other when not in use. The specific dimensions I have in mind for the card space are 80mm wide, 55mm deep, and 15mm high. I'd also like a base thickness of 3mm.

I need some internal offset within the tray so the cards don't sit flush against the walls. Let's go with 10mm for the inner offset. Then I'd want a small wall on the front of the tray, sticking up, that's 3mm wide and 17mm high, and side walls (the ones that will slide into other trays during stacking) that are 5mm thick.

The base of the tray should have a slanted bottom, from the front lip of the inner tray to the bottom back of the card holder space so cards slide out nicely.

Could you help me create a parametric OpenSCAD file that allows me to adjust these dimensions later if I need? I'm not super experienced, so I don't need anything fancy in terms of libraries.

[Assistant]
stackable_card_tray.scad:
```

	//catan - (80,55,15)

	card_x = 80;
	card_y = 55;
	card_z = 15;
	bottom_z = 3;
	inner_offset = 10;
	top_wall_x = 3;
	top_wall_z = 17;
	side_wall_y = 5;

	tanlength = sqrt(pow(card_y,2)+pow((card_z-bottom_z),2));
	module slice() {
		translate([0,0,bottom_z])  {
			rotate([atan((card_z-bottom_z)/card_y),0,0]) {
				cube([card_x,tanlength,card_z]);
			}
		}
	}
	union(){
		difference() {
			difference() {
				cube([card_x,card_y,card_z]);
				translate([inner_offset,inner_offset,0]){
					cube([card_x-(inner_offset*2),card_y-inner_offset,card_z]);
				}
			}
			slice();
		}
		difference(){
			translate([inner_offset,-side_wall_y,0]){
				cube([card_x-(inner_offset*2),side_wall_y,card_z]);
			}
			translate([0,-card_y,0]){
				slice();
			}
		}
		translate([-top_wall_x,0,0]){
			cube([top_wall_x,card_y,(top_wall_z)]);
		}
	}

```


[User]
I need a customizable spacer or shim for 3D printing. It should be a simple cylinder with a hole through the middle, and it needs to have a flat rim at the bottom. I want to be able to easily change the height and diameter of the main cylinder, the diameter of the hole, and the dimensions of the rim. I'd like to use OpenSCAD for this.

Specifically, the parameters I'd like to control are:

*   `spacer_height`: The overall height of the main cylindrical spacer.
*   `spacer_diameter`: The outer diameter of the main cylindrical spacer.
*   `inner_diameter`: The diameter of the hole through the spacer.
*   `rim_diameter`: The outer diameter of the flat rim at the bottom.
*  `rim_height`: The height of the flat rim.

Could you generate an OpenSCAD file that allows me to adjust all of these parameters? I'm not particular about libraries; whatever you think works best is fine.

[Assistant]
spacer.scad:
```
// CSG file generated from FreeCAD Export 0.1d

// variable description
spacer_height = 12; // possible values
spacer_diameter = 8; //
inner_diameter = 5; //
rim_diameter = 12; //
rim_height = 1.5;

// Cylinder
difference() {
	// Outer Cylinder
	cylinder(h = spacer_height, d= spacer_diameter, $fn=50);
	// Inner Cylinder
	cylinder(h = spacer_height, d= inner_diameter, $fn=50);
}

// RIM
difference() {
	cylinder(h = rim_height, d= rim_diameter, $fn=50);
	// Inner Cylinder
	cylinder(h = spacer_height, d= inner_diameter, $fn=50);
}

```


[User]
I'm looking to create a customizable spacer for my 3D printer spool holder, similar to the one I've been using. It's a simple disc shape, but I'd like to make it parametric so I can easily adjust the dimensions and add text to it.

Specifically, I need to be able to define:

*   **Inner Diameter:** This is the diameter of the hole in the center of the spacer, where the tube fits through. I will need to add a backlash value to this to account for tolerances.
*   **Outer Diameter:** The overall diameter of the spacer disc.
*   **Height:** The thickness of the spacer.

I'd also like to add text to the spacer in three different places:

*   **Edge Text:** Text written around the edge of the cylinder. I need to specify the text, how many times it repeats, the height of the text, and its thickness. I will also need to control how much space is between each letter.
*   **Top Text:** Text written on the top face of the spacer. I need to specify the text (two separate strings, actually), how many times each string repeats, the height of the text, and its thickness.
*   **Bottom Text:** Similar to the top text, but on the bottom face. I also need two text string options, the repeats, heights, and thicknesses.

I need to be able to specify which font the text uses, and I will need to use the `write/Write.scad` library to handle the text. I'd also like to have an option to output just the text part if I want to print the text separately using dual extrusion. And finally, I should be able to control the number of fragments that the circles are rendered in.

Could you generate the OpenSCAD code for me? I'll be using the `write/Write.scad` library, so don't forget to include that in the file.

[Assistant]
spacer.scad:
```
// 'Customizable Spacer' Version 1.0 by wstein
// is licensed under the Attribution - Non-Commercial - Share Alike license.
// (c) March 2015
// please refer the complete license here: http://creativecommons.org/licenses/by-nc-sa/3.0/legalcode

use <write/Write.scad>

//Please don't forget to add a little bit backlash if you need that.
inner_diameter=33;
outer_diameter=52;
height=10;

inner_number_of_fragments=100; //[3,4,5,6,7,8,9,10,12,15,100:round]
//set always to round if you want to write text on the spacers edge!
outer_number_of_fragments=100; //[3,4,5,6,7,8,9,10,12,15,100:round]

//to show (simply ignore this setting)
part = "spacer"; // [spacer,text_only]

/* [Edge Text] */

text_font = "orbitron.dxf"; //[orbitron.dxf,Letters.dxf,knewave.dxf,BlackRose.dxf,braille.dxf]
text_space_factor = 1.1;

edge_text="32x10x10";
edge_text_repeat=3; //[1:6]
edge_height=6; //[3:9]
edge_text_thickness=1.0;

/* [Top Text] */

top_text1="PRUSA i3";
top_text2="Hephestos";
top_text1_repeat=1; //[1:6]
top_text2_repeat=1; //[1:6]
top_text_height=6; //[3:9]
top_text_thickness=0.6;

/* [Bottom Text] */

bottom_text1="3D";
bottom_text2="";
bottom_text1_repeat=6; //[1:6]
bottom_text2_repeat=1; //[1:6]
bottom_text_height=6; //[3:9]
bottom_text_thickness=0.6;

/* [Hidden] */

backlash=0.0;

if(part == "spacer")
{
	build_spacer();
}
else
{
	build_text();
}

module build_spacer()
{
	difference()
	{
		linear_extrude(height,convexity=10)
		difference()
		{
			circle((outer_diameter)/2,$fn=outer_number_of_fragments);

			circle(inner_diameter/2,$fn=inner_number_of_fragments);
		}

		build_text();
	}
}

module build_text()
{
	translate([0,0,height-top_text_thickness/2])
	assign(text_height=top_text_height/10*(outer_diameter-(inner_diameter + backlash))/2)
	{
		write_text(((inner_diameter + backlash)+outer_diameter)/4, top_text1, top_text1_repeat, text_height, top_text_thickness+.1);

		if(top_text1_repeat<=1 || top_text2_repeat<=1)
		write_text(-((inner_diameter + backlash)+outer_diameter)/4, top_text2, top_text2_repeat, text_height, top_text_thickness+.1);
	}

	translate([0,0,bottom_text_thickness/2-.1])
	rotate([180,0,0])
	assign(text_height=bottom_text_height/10*(outer_diameter-(inner_diameter + backlash))/2)
	{
		write_text(((inner_diameter + backlash)+outer_diameter)/4, bottom_text1, bottom_text1_repeat, text_height, bottom_text_thickness+.1);

		if(bottom_text1_repeat<=1 || bottom_text2_repeat<=1)
		write_text(-((inner_diameter + backlash)+outer_diameter)/4, bottom_text2, bottom_text2_repeat, text_height, bottom_text_thickness+.1);
	}

	for(a=[0:360/edge_text_repeat:359])
	rotate([0,0,a])
	writecylinder(edge_text,[0,0,0],(outer_diameter)/2,height,h=height*bottom_text_height/10,t=edge_text_thickness,bold=.5);
}

module write_text(r, text, repeat, text_height, text_thickness)
for(a=[0:360/repeat:359])
rotate([0,0,a])
writecircle(text,[0,0,0],r,h=text_height,t=text_thickness,bold=.5, font=text_font, space=text_space_factor);

```


[User]
Hey, I'm looking to design a parametric shuriken model in OpenSCAD, something that can be 3D printed. I want it to have a few features:

1.  **Adjustable Number of Points:** The shuriken should have a variable number of points, like a throwing star.
2.  **Adjustable Diameter:** The overall diameter of the shuriken should be adjustable, excluding the pin extensions.
3.  **Central Hole:** It needs a circular hole in the center that I can adjust the diameter of.
4.  **Pin Attachments:** Each point should have an attachment mechanism designed to hold standard corkboard pins. I'm thinking of a cylindrical hole for a pin, followed by a narrower section to help hold the pin more securely, though not a full screw thread or anything.
5.  **Pin Hole Placement:** The pins should be positioned at the end of each shuriken point, and should be part of the same extrusion. Not something that will be a separate, attached piece.
6.  **Pin Shape:** They should use a basic cylinder for the pin hole. No need for fancier shapes.
7.  **Tolerance:** Let's make sure that the pin holes have some tolerance, say 0.2 mm, so the real pins have a chance to fit.

I'd like the design to be fully parametric, meaning that I should be able to change all the dimensions/number of points via variables at the top of the SCAD file, and I'd prefer it if the central hole was simply subtracted from the main body. I also don't have any preference for the base shape of the blade - just keep the model looking like a traditional shuriken/throwing star. I'm not looking for anything fancy, and this should work for any standard 3d printer.

Could you generate the OpenSCAD code for this?

[Assistant]
pin_shuriken.scad:
```
//thickness of the shuriken (4mm works well)
shuriken_w = 4;
//Number of points
shuriken_points = 4;
//Shuriken diameter (without pins)
shuriken_dia = 50;
//Diameter of the middle hole
middle_hole_dia = 20;
tolerance = 0.2;
module shuriken()
{
    difference()
    {
        cylinder(r=shuriken_dia/2, h= shuriken_w, center=true);
        for(x=[0:shuriken_points -1])
        {

            rotate([0,90,360/shuriken_points*x])
             translate([0,0,shuriken_dia/2 - 9.5])
            cylinder(r=4+tolerance, h=2+tolerance*2, center=true, $fn=16);
            rotate([0,90,360/shuriken_points*x])
             translate([0,0,shuriken_dia/2 -5])
            cylinder(r1= 2.3+tolerance, r2=2.5+tolerance, h=10, center=true, $fn=16);
            rotate([0,0,360/shuriken_points * (x + 0.5)])
             translate([shuriken_dia*0.62,0,0])
            cylinder(r=shuriken_dia/shuriken_points + 5, h=10, center=true,$fn= 32);
            cylinder(r=middle_hole_dia/2,h=10,center=true,$fn= 32);
        }
    }
}
shuriken();
```


[User]
Hey, I need an OpenSCAD design for a customizable belt clip. I've got a basic idea and some dimensions, but I want it to be fully parametric so I can adjust it easily for different belts.

The basic clip shape should be a rounded rectangle. I've got a specific design in mind where the clip itself has rounded corners with a radius of 4 and it is 27.5mm wide, 15mm tall, and 1.5mm thick. I want a cutout through the rectangle to serve as a mounting hole; make that a cylinder with a 2.75mm radius and 2mm height. The cutout will need to be located 20mm over on the x-axis and 7.5mm up on the y axis from the origin (I'd prefer if the origin is set to the bottom left-hand corner of the main clip body).

I then need two rectangular cutouts that act as the clip holding area for the belt. These need to go through the base body. Both of these cutouts have 1mm rounded edges. Both cutouts have a width equal to 1 + the belt thickness and a height of 1 + the belt width. The thickness of the cutouts should be 2mm. One cutout should start 4mm over on the x-axis and 2.5mm up on the y-axis. The other cutout needs to start 12mm over on the x-axis and 2.5mm up on the y-axis.

I would like parameters for the following:
*   `clip_width`
*   `clip_height`
*   `clip_thickness`
*   `clip_corner_radius`
*   `mounting_hole_radius`
*   `mounting_hole_height`
*   `mounting_hole_x_offset`
*   `mounting_hole_y_offset`
*   `belt_cutout_width`
*   `belt_cutout_height`
*   `belt_cutout_thickness`
*   `belt_cutout_corner_radius`
*   `belt_cutout1_x_offset`
*    `belt_cutout1_y_offset`
*   `belt_cutout2_x_offset`
*   `belt_cutout2_y_offset`
*  `belt_width` (this controls the `belt_cutout_height`
*  `belt_thickness` (this controls the `belt_cutout_width`)

Could you make this for me? No need for any special libraries, just vanilla OpenSCAD.

[Assistant]
customizableBeltClip.scad:
```
//width of the belt
beltwidth = 9;
// thickness of belt
thickness = 1.75;

module roundedRect(size, radius) {
 x = size[0];
 y = size[1];
 z = size[2];

 linear_extrude(height=z)
 hull() {
	translate([radius, radius, 0])
	circle(r=radius, $fn=20);

	translate([x - radius, radius, 0])
	circle(r=radius, $fn=20);

	translate([x - radius, y - radius, 0])
	circle(r=radius, $fn=20);

	translate([radius, y - radius, 0])
	circle(r=radius, $fn=20);
 }
}

difference()
{
	roundedRect([27.5,15,1.5],4);

	translate([20,7.5,-0.25])
	cylinder(r=2.75, h=2, $fn=20);

	translate([4-2.75/2,2.5,-0.25])
	roundedRect([1+thickness,1+beltwidth,2],1);

	translate([12-2.75/2,2.5,-0.25])
	roundedRect([1+thickness,1+beltwidth,2],1);
}

```


[User]
Hey, I'm looking for some help designing a parametric spool holder for my M3D printer. I've got some basic ideas and parameters, but need OpenSCAD code that can generate the necessary parts.

Basically, it's a two-piece bracket system that sits on top of the printer. One part clips onto the printer's frame, and the other holds a horizontal axle for the spool. Two sets of these brackets are needed, one for each side of the printer. The vertical shaft should be a standard tubing size, and the top axle will also be tubing, so I need to be able to specify the diameters for those parts in the OpenSCAD design.

Here are the specific things I need to control parametrically:

*   **`part`**:  A way to select which part to render. It should have options like "clip" (the base part), "top" (the axle holder part), "both" (both parts together), and "fullset" (two complete assemblies - one mirrored).
*   **`shaft_diameter_h`**: The diameter of the horizontal axle (in mm). This is where the spool rests.
*   **`shaft_diameter_v`**: The diameter of the vertical shaft/riser (in mm).
*  **`wall_thickness_h`**: The wall thickness of the horizontal axle holder (in mm).
*   **`wall_thickness_v`**: The wall thickness of the vertical shaft (in mm). This is crucial for strength, so should be able to be adjusted separately.
*   **`wall_thickness_c`**: The wall thickness of the base clip that attaches to the printer frame (in mm).
*   **`cradle_height`**: The height of the "cradle" that supports the horizontal axle on the top part (in mm).
*   **`min_length_h`**: The minimum contact length along the horizontal axle (in mm).

The clip that goes onto the printer will need to have a sort of lip/hook shape to attach to the M3D printer's base and needs to be able to flex a bit, so that's why the wall_thickness_c is needed. The vertical riser connects to the clip at the bottom, and the horizontal axle holder connects to the top of the vertical riser.  The clip should be designed to attach to the base of the M3D printer, and I'd like it to be relatively easy to get on and off. The horizontal axle holder part just holds the tube; it doesn't need to be closed around it or anything.

I'm not looking for any sort of threading or fancy fasteners, it's all meant to be friction fit.

I think the design should be relatively straightforward, but I'm a beginner when it comes to OpenSCAD and could really use the help with this.  I don't want the code to use any external libraries. Thanks!

[Assistant]
Customizable_Spool_holder_brackets_for_M3D_v1.0.1.scad:
```
// M3D spool holder brackets.
//
//===========================================================================
// This spool holder was designed March 19, 2015 by Erik van de Pol.
// It's available under the terms of the Creative Commons CC-BY-SA license
// (http://creativecommons.org/licenses/by-sa/4.0/).
//
// Changelog:
// V1.0   20150319 First version
// V1.0.1 20160110 Updated to make parameters show again in customizer
//===========================================================================

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

/* [Parameters] */

// Which part would you like to see?
part = "both"; // [clip:M3D base clip only,top:Axle holder only,both:Clip and axle holder,fullset:Full set of parts]

// Horizontal axle diameter in mm. This is where the spools rest on, and needs to be 6.25" in length.
shaft_diameter_h = 12.6;
// Vertical shaft diameter in mm. These connect the top and bottom parts. These should be at least 3" in length, and can be taller to accomodate larger spool sizes.
shaft_diameter_v = 12.6;

// Wall thickness for horizontal axle in mm.
wall_thickness_h = 2; //[1.5,2,2.5,3,3.5,4]

// Wall thickness for vertical shaft in mm. This endures most of the stress, so recommended to not make this too thin.
wall_thickness_v = 3; //[1.5,2,2.5,3,3.5,4]

//Wall thickness for base clip. 1.5mm is a good starting value, as it allows for some flexibility to be able to put the clip on and off.
wall_thickness_c = 1.5; //[1,1.5,2,2.5,3]

// Cradle wall height for horizontal shaft in mm.
// This is the wall height for the horizontal axle cradle. You may want to increase this for larger axle diameters.
cradle_height = 5;

// Minimum contact area for horizontal shaft in mm.
// This can be useful for very thin horizontal axles, and ensures that there's enough area for the axle to rest on.
min_length_h = 20;

/*[Hidden]*/

// the following are computed
shaft_depth = max(wall_thickness_v * 2 + shaft_diameter_v, min_length_h);

print_part();

module print_part() {
	if (part == "clip") {
		clip_part_oriented();
	} else if (part == "top") {
		top_part_oriented();
	} else if (part == "both") {
		both();
	} else if (part == "fullset") {
		full_set();
	} else {
		both();
	}
}

module full_set()
{
  rotate([0,0,180]) both();
  both();
}

module both()
{
  translate([-12.75,wall_thickness_v + shaft_diameter_v/2 + 2.5,0]) {
    rotate([0,0,90]) clip_part_oriented();
    translate([7 + wall_thickness_c*2,0,0]) top_part_oriented();
  }
}

module clip_part_oriented()
{
  union() {
    translate([0,0,shaft_diameter_v/2 + wall_thickness_v]) {
      rotate([-90,0,0]) {
        bottom_v();
      }
    }
    bottom_contour();
  }
}

module bottom_v()
{
  difference() {
    cylinder(r=shaft_diameter_v/2 + wall_thickness_v, shaft_diameter_v, h=shaft_diameter_v,$fn=90);
    translate([0,0,-0.1]) {
      cylinder(r=shaft_diameter_v/2, shaft_diameter_v, h=shaft_diameter_v + 0.2,$fn=90);
    }
  }
}

module bottom_contour() {
  //
  //  --------_
  // |  _____  \
  // | |w b   \  \
  // | |_     r\  \
  // |___|      \  |
  //           a|  |
  //         ___|  |
  //        |______|
  // a = 15.1
  // b = 13.75
  // r = 12.75
  // w = 3.5
  //
  translate([13.75+wall_thickness_c-wall_thickness_v-shaft_diameter_v/2,-12.75-wall_thickness_c+0.01,0])
  union() {
    // lip under
    translate([-13.73-wall_thickness_c,9.25-wall_thickness_c,0]) cube([wall_thickness_c+3, wall_thickness_c,shaft_diameter_v + wall_thickness_v*2]);
    // lip side
    translate([-13.74-wall_thickness_c,9.25-wall_thickness_c,0]) cube([wall_thickness_c, wall_thickness_c*2+3.5,shaft_diameter_v + wall_thickness_v*2]);
    // top
    translate([-13.75,12.75,0]) cube([13.75,wall_thickness_c, shaft_diameter_v + wall_thickness_v*2]);
    // curve
    intersection() {
      cube([12.75+wall_thickness_c+0.2,12.75+wall_thickness_c+0.2,shaft_diameter_v + wall_thickness_v*2 + 0.2]);
      difference() {
        cylinder(r=12.75+wall_thickness_c,h=shaft_diameter_v + wall_thickness_v*2,$fn=90);
        translate([0,0,-0.1]) cylinder(r=12.75,h=shaft_diameter_v + wall_thickness_v*2 + 0.2, $fn=90);
      }
    }
    // side
    translate([12.75,-15.1,0]) cube([wall_thickness_c, 15.1, shaft_diameter_v + wall_thickness_v*2]);
    // lower lip
    translate([9.75,-15.09-wall_thickness_c,0]) cube([3+wall_thickness_c, wall_thickness_c, shaft_diameter_v + wall_thickness_v*2]);

  }
}

module top_part_oriented()
{
  rotate([180,-90,0]) {
    translate([wall_thickness_v+shaft_diameter_v/2,0,0]) {
      top_part();
    }
  }
}

module top_part()
{
  difference() {
    union() {
      top_v();
      translate([-shaft_diameter_v/2 - wall_thickness_v,0, shaft_diameter_h/2 + wall_thickness_h + shaft_diameter_v]) {
        rotate([0,90,0]) {
          top_h_out();
        }
      }
    }
    translate([-shaft_diameter_v/2 - wall_thickness_v,0, shaft_diameter_h/2 + wall_thickness_h + shaft_diameter_v]) {
      rotate([0,90,0]) {
        top_h_in();
      }
    }
  }
}

module top_v()
{
  difference() {
    union() {
      cylinder(r=shaft_diameter_v/2 + wall_thickness_v, shaft_diameter_v, h=shaft_diameter_v,$fn=90);
      translate([0,0,shaft_diameter_v]) {
        cylinder(r1=shaft_diameter_v/2 + wall_thickness_v,r2=shaft_diameter_h/2 + wall_thickness_h, shaft_diameter_v, h=wall_thickness_h+shaft_diameter_h/2,$fn=90);
      }
    }
    translate([0,0,-0.1]) {
      cylinder(r=shaft_diameter_v/2, shaft_diameter_v, h=shaft_diameter_v + 0.1,$fn=90);
    }
  }
}

module top_h_out() {
  intersection() {
    union() {
      cylinder(r=shaft_diameter_h/2 + wall_thickness_h,h=shaft_depth,$fn=90);
      scale([cradle_height, shaft_diameter_h+wall_thickness_h*2, shaft_depth]) translate([-0.5,0,0.5]) cube(1,center=true);
    }
    translate([-cradle_height,0,0]) scale([shaft_diameter_h/2 + wall_thickness_h + cradle_height,shaft_diameter_h + wall_thickness_h*2,shaft_depth]) translate([0,-0.5,0]) cube(1);
  }
}

module top_h_in()
{
  translate([0,0,wall_thickness_h]) {
    union() {
      cylinder(r=shaft_diameter_h/2,h=shaft_depth,$fn=90);
      scale([cradle_height+0.1, shaft_diameter_h, shaft_depth+0.1]) translate([-0.5,0,0.5]) cube(1,center=true);
    }
  }
}

```


[User]
Hey, I've got an idea for a 3D printed puzzle business card, and I'd like you to help me create the OpenSCAD files for it. It's based on a cross puzzle, where the pieces are all contained within the same outline as the business card itself. The card has text on it and some optional support structures. I've got some specific design details:

*   **Card Dimensions:** The base card dimensions are adjustable - height, width, and thickness. There should also be an adjustable thickness for the outline of the card and a gap between the puzzle pieces.
*   **Puzzle Pieces:** The puzzle consists of four corner pieces and two middle pieces that can be arranged to form a cross. The size of the puzzle pieces should be derived from the card's width so they are contained within the card.
*   **Card Text:** I need four lines of customizable text on one side of the card, along with an optional longer line below that. The font size should adjust automatically based on the available space, and I'd like the option to invert the text, creating holes instead of raised letters.
*   **Support Structures:** There should be an option to add thin support structures during printing to help with the floating parts of the design. The height and width of these should be adjustable. I'd like an option to double the width of these supports as well.
*   **Build Plate:** It would be helpful to have a visualization of the build plate for different printer types, but I do not need the build plate to be part of the final output. The build plate size should be adjustable if a user has a custom printer.
*   **Solution:** As a debug feature for myself, I'd like a way to visualize the solved puzzle as well, but this should not be printed in the final design.

I'd like the design to be parametric, allowing me to change these parameters easily.

Here's a summary of the specific parameters I need to control:

*   `cardHeight`: Height of the business card.
*   `cardWidth`: Width of the business card.
*   `cardThickness`: Thickness of the business card.
*   `cardWall`: Thickness of the card's outline.
*   `gap`: Size of the gaps between puzzle pieces.
*   `cardText1` to `cardText4`: The four lines of text on the card.
*   `longLine`: A yes/no option for whether to include a long text line.
*   `longLineText`: Text of the long line.
*   `invertText`: A yes/no option for inverting text.
*  `layerHeight`:  The height of the supports
*   `wideSupports`: A yes/no option to double the width of the supports
*   `build_plate_selector`: A dropdown to select different printer types or manual selection.
*   `build_plate_manual_x`: Adjustable X dimension for the build plate if the manual setting is selected.
*   `build_plate_manual_y`: Adjustable Y dimension for the build plate if the manual setting is selected.
*   `doYouReallyWantToCheat`: A debug feature that reveals the solution if set to "yes".

I'd like the OpenSCAD files to include all of the necessary modules and logic to generate this design and include the use of the `write/Write.scad` library. Also, please generate a `utils/build_plate.scad` file for the build plate visualization. Could you provide me with those OpenSCAD files?

[Assistant]
crossPuzzleCardCustomizer2.scad:
```
use <utils/build_plate.scad>

/* [Card Size] */
// Dimensions of your business card (default is NZ size)
cardHeight = 90;
cardWidth = 55;
// Extra dimensions you can adjust
cardThickness = 2; // How thick the card is
cardWall = 2; // The thickness of the outline of the card
gap = 2; // The size of the gaps between the puzzle pieces
/* [Card Text] */

// There are four lines of text. Make it your own!
cardText1 = "Use these";
cardText2 = "pieces";
cardText3 = "to make";
cardText4 = "a cross";

// Include a long line of text at the bottom (the solution image will shrink)
longLine = "no"; //[yes,no]

longLineText = "I_Rock@me.com";
/* [Extras] */
// Invert text. Text comes out as a hole in the card rather than lumps on top. Helpful if your printer can't handle the thin lines in the text
invertText = "no"; //[yes,no]

// The height of the thin supports
layerHeight = 0.4;

// Doubles the width of the supports
wideSupports = "no"; // [yes,no]

/* [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]

build_plate(build_plate_selector,build_plate_manual_x,build_plate_manual_y);

/* [Cheat] */
// If you are really desperate for the solution I'll give it to you
doYouReallyWantToCheat = "no"; //[no, niet, yes, kao, 不对, nage, nei, nein]

/* [Hidden] */
// All done. Customizer doesn't need to see all this
use <write/Write.scad>

// If you need to cheat!
if (doYouReallyWantToCheat == "yes"){
translate([0,0,cardThickness*3])solution();
}

puzzleBlockSize = (cardWidth -5* gap )*2*sqrt(2)/(sqrt(2)+2);
block = puzzleBlockSize/2;
suppH = layerHeight;
suppW = wideSupports == "yes" ? gap : gap/2; //choose the support size

puzzleWidth = sqrt(8)*block;
cardoffset = puzzleWidth/2+gap-cardHeight/2;

blockDiag = sqrt(block*block/2);

translate([0,0,cardThickness/2]){
puzzle();
translate ([cardoffset*2 + - puzzleWidth/2 - gap,-cardWidth/2,-cardThickness/2]) nameplate();
translate([cardoffset,0,0])cardborder();
translate([0,0,+suppH/2-cardThickness/2])supports();
}
module supports(){
    //the four edge corners
    translate([blockDiag*1.8,blockDiag*1.5+gap*2.99,0])cube([suppW, gap, suppH], center = true);
    translate([blockDiag*1.8,-(blockDiag*1.5+gap*2.99),0])cube([suppW, gap, suppH], center = true);
    translate([-blockDiag*1.8,-(blockDiag*1.5+gap*2.99),0])cube([suppW, gap, suppH], center = true);
    translate([-blockDiag*1.8,blockDiag*1.5+gap*2.99,0])cube([suppW, gap, suppH], center = true);
    //The two middle bits
    translate([0,blockDiag*.5,0])cube([gap, suppW, suppH], center = true);
    translate([0,-blockDiag*.5,0])cube([gap, suppW, suppH], center = true);
    //The four bits connecting the big pieces to the little ones in the middle
    translate([block/2,-(block/2+gap/2),0])cube([suppW, gap, suppH], center = true);
    translate([-block/2,-(block/2+gap/2),0])cube([suppW, gap, suppH], center = true);
    translate([-block/2,(block/2+gap/2),0])cube([suppW, gap, suppH], center = true);
    translate([block/2,(block/2+gap/2),0])cube([suppW, gap, suppH], center = true);
    //The two diagonals between the triangles
    translate([block/2,0,0]){
        translate([block*.4,block*.38,0])rotate([0,0,45])translate([0,-gap/2,0])cube([suppW, gap, suppH], center = true);
        translate([-block*.31,-block*.33,0])rotate([0,0,45])translate([0,-gap/2,0])cube([suppW, gap, suppH], center = true);
    }
    translate([-block/2-gap*2,0,0]){
        translate([block*.4,block*.38,0])rotate([0,0,45])translate([0,-gap/2,0])cube([suppW, gap, suppH], center = true);
        translate([-block*.31,-block*.33,0])rotate([0,0,45])translate([0,-gap/2,0])cube([suppW, gap, suppH], center = true);
    }
}
module nameplate(){
    nameplateH = cardHeight - (puzzleWidth+2*gap);
   	if (invertText == "yes") {
        difference(){
            cube([nameplateH,cardWidth,cardThickness]);
            translate([0,0,cardThickness/2])textAndCross(nameplateH);
        }
	} else {
        cube([nameplateH,cardWidth,cardThickness/2]);
        textAndCross(nameplateH);
    }
}
module textAndCross(nameplateH){
//Work out sizes of text and cross
    textWidth = 0.685; //Text width (mm) per fontsize per char
    cross1 = longLine=="yes" ? nameplateH/5 : nameplateH/4;
    cross2 = (cardWidth-25)/4;
crossSize = cross1 < cross2 ? cross1 : cross2; //choose the smallest size
    //crossSize = nameplateH/4;
    //crossSize = (cardWidth-25)/4;

// Work out text sizes
    textWidth = 0.75; //mm per char per mm height
    font1 = nameplateH/8; //Vertical spacing
    font2 = (cardWidth-crossSize*4)/textWidth/9; // Horizontal spacing, 9 chars;
    fontH = font1 < font2 ? font1 : font2;
    echo (fontH);

// Leave space for the longline if needed
longLineGap = longLine=="yes" ? fontH*1.5 : 0;
translate([longLineGap,0,0]){
// Draw Cross
        translate([crossSize*2,cardWidth-crossSize*2,0]){
        for (i= [0:4])rotate([0,0,i*90])translate([crossSize/2,-crossSize/2,0])cube  ([crossSize,crossSize,cardThickness]);
            translate([-crossSize/2,-crossSize/2,0])cube([crossSize,crossSize,      cardThickness]);}

// Draw text
            translate([crossSize*3,cardWidth-crossSize*4,0])
                rotate([0,0,-90])write(cardText1, t = 2, h = fontH);
            translate([crossSize*3-fontH*1.5,cardWidth-crossSize*4,0])
                rotate([0,0,-90])write(cardText2, t = 2, h = fontH);
            translate([crossSize*3-fontH*3,cardWidth-crossSize*4,0])
                rotate([0,0,-90])write(cardText3, t = 2, h = fontH);
            translate([crossSize*3-fontH*4.5,cardWidth-crossSize*4,0])
                rotate([0,0,-90])write(cardText4, t = 2, h = fontH);
            if (longLine=="yes"){
                    translate([crossSize*3-fontH*6,cardWidth,0])
                rotate([0,0,-90])write(longLineText, t = 2, h = fontH);
            }
    }
}
module cardborder(){
//translate([cardoffset,0,0])
    difference(){
cube([cardHeight,cardWidth,cardThickness], center = true);
cube([cardHeight-cardWall,cardWidth-cardWall,cardThickness*2], center = true);
}
}

module puzzle(){
translate([-(block+gap)/2,0,0]){
corner();
translate([block+2*gap,0,0])corner();
translate([block+gap,0,0])rotate([0,0,180])corner();
translate([-gap,0,0])rotate([0,0,180])corner();
}
translate([0,(block*sqrt(2)+block)/2+gap,0])
translate([0,-sqrt(block*block/2),0])rotate([0,0,135])middle();
rotate([0,0,180])translate([0,(block*sqrt(2)+block)/2+gap,0])
translate([0,-sqrt(block*block/2),0])rotate([0,0,135])middle();
}

module corner(){
rotate([0,0,45])
difference(){
rotate([0,0,45])cube([block,block,cardThickness],center = true);
translate([-block,0,-cardThickness])cube([2*block,2*block,2*cardThickness]);
}
}
module middle(){
difference(){
translate([.5*block, -.5*block,0])cube([2*block,2*block,cardThickness], center = true);
union(){
rotate([0,0,45])translate([-3*block,0,-cardThickness])cube([6*block,6*block,2*cardThickness]);
translate([5*block,-4.5*block,0])rotate([0,0,45])translate([-3*block,0,-cardThickness])cube([6*block,6*block,2*cardThickness]);
}
}
}

module solution(){
color("red")translate([block,0,0.01])rotate([0,0,90])corner();
color("red")translate([-block,0,0.01])rotate([0,0,-90])corner();
color("red")translate([0,block,0.01])rotate([0,0,90])corner();
color("red")translate([0,-block,0.01])rotate([0,0,-90])corner();

color("green")translate([0,0,0.02])rotate([0,0,90])middle();
color("yellow")rotate([0,0,270])middle();

}
```


[User]
Hey, I'm trying to design a target for target practice, and I've got a rough idea of how I want it to work, split into two main parts. I'm not great at OpenSCAD so I need some help.

The first part, which I'm calling `Top_Target.scad`, is basically a flat circular target with a rectangular base extending out from one side to act as a sort of support. It should be a cylinder for the target part with a height of `target_thickness` and radius of `target_size/2`. I was thinking the support base would be a rectangular prism extending out from the edge of the target, that's `bottom_length` long, 30 wide, and the same `target_thickness` tall. I want to make sure that the support is a little offset on the X and Y. I want it to be `target_size/2.5` on the X and `-15` on the Y. I also want a hole through both.

The second part, `Bottom_Part_of_Target.scad`, is more of a base or stand, it's also going to have a slot to hold the `Top_Target.scad`. This one's a little trickier for me. I'd like the overall base to be made of two rectangular prisms merged together. The first should be positioned at [-75,-30,0], with dimensions `length` long, `width` wide, and `total_height/5` tall. The second should be positioned at [-45,-25,0] with a length `length - 50`, a width of `width-10` and a height of `total_height/1.25`. Then, on one side of the combined shape I need a slot cut out of it so the rectangular support of the first part can slide in. The slot needs to be rotated on the Y axis by 90 degrees and translated along X to -105, Y to -15 and Z to -30, It should be a rectangle that's `total_height*4` long, `width/1.98347107` wide and a height of `hole_thickness`. The hole should go all the way through.

I'd like the design to be parametric, so that `target_size`, `target_thickness`, `bottom_length`, `width`, `length`, `total_height`, and `hole_thickness` can all be easily adjusted via variables. And remember, I want the hole dimensions in `Bottom_Part_of_Target` to stay consistent with `target_thickness` in `Top_Target`. I plan on using the same `hole_thickness` in this file as a parameter. I need you to generate both files in OpenSCAD for me. I want to make sure that the top target fits into the base and if the width of the rectangular support from `Top_Target` is altered it changes the hole size in `Bottom_Part_of_Target`. I would like the circle part to have a high number of facets.

[Assistant]
Top_Target.scad:
```
$fn=100;
target_size=80;
target_thickness=5;
bottom_length=100;
difference()
{
union()
{
cylinder(h=target_thickness,r=target_size/2);
translate([target_size/2.5,-15,0])cube([bottom_length,30,target_thickness]);
}
}

```
Bottom_Part_of_Target.scad:
```
$fn=100;
width=60;//dont change unless you change the width of the part that goes into this slot
length=80;
total_height=25;
hole_thickness=5.25;//dont change these if your using my other design part unless you change the other part the same
difference()
{
union()

{

translate([-75,-30,0])cube([length,width,total_height/5]);
translate([-45,-25,0])cube([length-50,width-10,total_height/1.25]);
}

rotate([0,90,0])translate([-105,-15,-30])cube([total_height*4,width/1.98347107,5.25]);
}

```


[User]
Hey, I'm looking to design a gun target that I can stick in the ground. It should have a circular target face with a pointed spike extending from the back. The target face should have a slight bevel, like a cone shape, where it gets thinner toward the center and then a spike comes out. I'd also like to be able to adjust the target size, the thickness of the target face, the length of the spike, and the thickness of the base of the spike.

I want a parametric OpenSCAD file for this, so I can easily change those dimensions. I'm looking for the following parameters specifically: `target_size`, `target_thickness`, `spike_length`, and `spike_bottom_thickness`.

It'd be great if you could generate the code for me. Let me know if you have any questions.

[Assistant]
Spike_Gun_Target.scad:
```
$fn=100;
target_size=50;
target_thickness=2;
spike_length=60;
spike_bottom_thickness=.5; //the point of spike
difference()
{
union()
{
cylinder(r1=target_size,r2=target_size/1.1,h=target_thickness);
rotate([90,0,90])translate([0,0,target_size-10])cylinder(r1=target_thickness*2.5,r2=spike_bottom_thickness,h=spike_length);
translate([target_size-10,0,0])sphere(r=target_thickness*2.5);
}
translate([-100,-100,-100.1])cube([1000,1000,100]);//IGNORE THIS this is just to cut the spike in half and make it printable
}

```


[User]
Hey, I'd like to design a tool that helps me figure out the right hole and stud sizes for my 3D printer. I've noticed that sometimes what I design in CAD doesn't quite match what comes off the printer, especially when things need to fit snugly together. For example, a 2mm hole might print slightly smaller, and a 2mm stud might print slightly larger. I want to create a gauge with a series of holes and corresponding studs that I can use to dial in the correct size adjustments for my specific printer and material.

Here's what I'm thinking for the design:

*   **Hole and Stud Range:** I'd like to specify a starting diameter for the holes and studs, an ending diameter, and the increment between each size. For example, I might want to go from 2mm to 2.5mm, in 0.1mm steps.
*   **Spacing:** The distance between each hole/stud pair should be adjustable. I'm thinking something like a 20mm pitch should work well.
*   **Plate Thickness:** I need to set the thickness of the base plate that the holes and studs are on. This will help make sure that the tool is rigid enough.
*   **Holes:** I need to be able to turn holes on and off for generating the design.
*   **Studs:** Same as holes - I want to be able to generate studs, and turn them off if needed. The stud height should also be adjustable.
*   **Labels:** It would be great if each hole and stud were labeled with its size. These labels would need to be on the base plate, and their size and thickness should be adjustable too, so I can turn them on or off, or make them more or less prominent as needed.
*   **Parametric Design:** It's really important that everything is parametric. I'd like to be able to easily change these dimensions and re-render the model for different use cases.

I'm hoping you can help me create this as an OpenSCAD model. I'm not looking for anything too fancy - I'm mainly concerned about the functionality. I'm also not too worried about using libraries, so just use whatever you think is appropriate for this design. I don't think I need any special libraries here.

[Assistant]
hole_gauge.scad:
```
/* [General] */

// Diameter of first item, in mm
diameter_first = 2.0;

// Diameter of last item, in mm
diameter_last = 2.5;

// Diameter increment, in mm
diameter_increment = .1;

// Distance between holes/studs, in mm
pitch = 20;

// Plate thickness, in mm
plate_thickness = 1;

/* [Holes] */

// Make holes?
make_holes = "yes";  // ["yes", "no2"]
make_more_holes = true; // [true, false]
make_even_more_holes = true; // [true: "yes", false: "no"]
tired_of_making_holes = false; // [yes:true, no:false]
tired_of_making_holes_q = false; // ["yes":true, "no":false]
enough_holes = false; // [maybe:"not really", notachance:"yes"]
whataboutholes = 42; // [0, 4]

/* [Studs] */

// Make studs?
make_studs = true;  // ["yes": true, "no": false]

// Stud height in mm, if enabled.  Zero also turns off studs.
stud_height = 10;

/* [Labels] */

// Make Labels? Even if true, setting either the text height
// or the text thickness to 0 turns off labels.
make_labels = true;  // ["yes": true, "no": false]

// Text size in mm, if enabled. 8mm is about 18pt
text_height = 8;

// Text thickness (how raised the letters are).
text_thickness = 1;

hole_gauge(
  first=diameter_first,
  last=diameter_last,
  increment=diameter_increment,
  distance=pitch,
  thickness=plate_thickness,
  make_holes=make_holes,
  stud_height=(make_studs ? stud_height : 0),
  text_height=(make_labels ? text_height : 0),
  text_thickness=(make_labels ? text_thickness : 0));

module hole_gauge(
  first,              // diameter of first element
  last,               // diameter of last element
  increment=.1,       // step
  distance=20,        // distance between elements
  thickness=1,        // plate thickness
  make_holes=true,
  stud_height=0,      // if non-zero, print studs as well
  text_height=0,      // if 0, omit text altogether
  text_thickness=0) { // defaults to thickness/2

  // I don't like how $fn, $fa, and $fs interact.
  // Rolling my own, with a segment size of .1mm
  function _mkfn(d, s=.1) = ceil(3.14 * d / s);

  real_last = last + increment / 2;  // deal with rounding errors

  if (make_holes) {
    for (x = [first : increment : real_last]) {
      difference() {
        translate([distance * (x - first) / increment, 0, 0]) {
          cube([distance, distance, thickness]);
        }
        translate([distance * (x - first) / increment + distance / 2,
                   distance / 2,
                   0]) {
          cylinder(r=(x / 2), h=thickness, $fn=_mkfn(x));
        }
      }
    }
  }

  if (stud_height > 0) {
    stud_offset = make_holes ? distance : 0;
    for (x = [first : increment : real_last]) {
      union() {
        translate([distance * (x - first) / increment, stud_offset, 0]) {
          cube([distance, distance, thickness]);
        }
        translate([distance * (x - first) / increment + distance / 2,
                   stud_offset + distance / 2,
                   0]) {
          cylinder(r=(x / 2), h=stud_height, $fn=_mkfn(x));
        }
      }
    }
  }

  if (text_height > 0 && text_thickness > 0) {
    // the base
    for (x = [first : increment : real_last]) {
      translate([distance * (x - first) / increment, -distance, 0]) {
        cube([distance, distance, thickness]);
      }
    }
    // Linear extrusion is a faster if done all at once.
    translate([0, 0, thickness]) {
      linear_extrude(height=text_thickness) {
        for (x = [first : increment : real_last]) {
          translate([distance * (x - first) / increment + distance / 2,
                     -distance / 2,
                      0]) {
            text(str(x), size=text_height, halign="center", valign="center");
          }
        }
      }
    }
  }
}

```


[User]
Hey, I'm looking to get some OpenSCAD files designed for a bike seat post adapter. I recently changed my seat post and need to fill the gap between the frame and the smaller diameter post.

Basically, I need a cylindrical ring with a gap cut out of the side. I want to define parameters for the inner diameter, outer diameter, the width of the gap in the ring, and the height of the main cylinder. I also need a small "lip" or overhang at the top that's a bit wider than the main cylinder to help keep it from sliding down. This top portion should also be a cylinder with a gap cut out.

Here's the specific breakdown:

*   **Inner Diameter:**  This will be the diameter of the smaller seat post - I'll need to adjust this to different sizes, but it's 27.2 mm for now.
*   **Outer Diameter:** This will match the frame's seat tube inner diameter. Currently, it's 31.5mm.
*   **Gap Width:** The width of the cut-out section of the cylinder, to allow insertion. I am starting with 3mm.
*   **Main Height:** The height of the main cylindrical ring which for now will be 70mm.
*  **Top Lip Height:** The thickness of the lip which I am defining as 1mm.
*   **Lip Overhang:** How much the lip extends out from the main cylinder's outer diameter which will be 2mm.

I'd like the files to be parametric so I can easily adjust these dimensions later, and it should all be in one file. I'm not particularly concerned about performance or the use of specialized libraries beyond the standard OpenSCAD library. I'd be really grateful if you could help me generate this!

[Assistant]
opvul_ring.scad:
```
$fa = .05;
$fn = 200;

// Inner diameter
InnerDiameter = 27.2;

// Outer diameter
OuterDiameter = 31.5;

//Width of the Gap
OpenGap = 3;

// Heigth
Heigth = 70;
HeigthTop = 1;
TopOverHang = 2;

//=============START===================

InnerRadius = InnerDiameter/2;
OuterRadius = OuterDiameter/2;

openCyl(Heigth,InnerRadius,OuterRadius, OpenGap);

translate([0,0,Heigth/2])
openCyl(HeigthTop,InnerRadius,OuterRadius+TopOverHang, OpenGap);

module openCyl(CylHeigth,CylInnerRadius, CylOuterRadius, CylOpengap){
	difference(){
		cylinder(CylHeigth,CylOuterRadius,CylOuterRadius, true);
		cylinder(CylHeigth+1,CylInnerRadius,CylInnerRadius, true);

		rotate([0,0,90])
		translate([100,0,0])
		cube([200,CylOpengap,CylHeigth+1], true);

	}
}
```


[User]
I'd like to design a customizable box using OpenSCAD, similar to the one I've been using but starting from scratch with a few specific requirements and a different way of implementing the lid fit.

The core idea is a rectangular box with a separate lid that has a friction fit. I need to be able to control all the dimensions, thicknesses, and corner radii parametrically.

Here are the key parameters I need:

*   **Inner Dimensions:**
    *   `x_width`: The internal width of the box.
    *   `y_width`: The internal depth of the box.
    *   `bottom_height`: The internal height of the bottom part of the box.
    *   `lid_height`: The internal height of the lid.
*   **Wall Thickness:**
    *   `thickness`: The thickness of the box and lid walls.
*   **Lid Fit:**
    *   `lip_height`: The height of the lip on the lid that fits into the bottom. This should be located on the outside of the lid.
    * `lip_overlap_height`: The amount the lid's lip goes down into the bottom section of the box.
    *   `lip_thickness`: The thickness of the lid's lip.
    *   `looseness_offset`: An offset to adjust how tight or loose the friction fit is.
*   **Aesthetics**
    *   `radius`: Corner radius for all edges, including the lip.

Additionally, I want these features:

*   I need to be able to independently enable or disable generating either the box bottom or the lid. This means I'd like parameters `generate_box` (1 or 0) and `generate_lid` (1 or 0) to control this.
*   I'd like the lid to fit on the bottom by going inside of the top of the bottom piece. There should be no overlap between the two parts beyond what the lid lip allows.

For clarity, the `lip_height` parameter should extend _beyond_ the top edge of the box, and `lip_overlap_height` should be the amount that the inside of the lid lip descends _below_ the top edge of the box. There should be no outer lip on the bottom piece of the box.

I'm not using any custom libraries, but I'm familiar with OpenSCAD's built-in functions. I don't need any unusual shapes; just cubes, cylinders, minkowski sums, and differences. I will provide an example to the AI. I think you can use the example code provided for general structure.

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

// in mm. Dimensions of space inside of container. Final outside box height & width depends on wall & lip thickness.
x_width = 149.0;
y_width = 87.0;

// The height of both the bottom and lid is the total height of the space inside the container.
bottom_height = 140.0;
lid_height = 85.0;

// Wall thickness in mm. This adds to the outside dimensions of the box.
thickness = 1.8;

// Height of lip above box top, used for the friction fit.
lip_height = 8;

// Height of the lip going below and attached to bottom. Default works well.
lip_overlap_height = 2.0;

// Wall thickness of the attachment lip.
lip_thickness = 0.8;

// Lip outer dimension offset. The larger the number the looser the friction fit.
looseness_offset = 0.15;

// Corner radius in mm (0 = sharp corner).
radius = 5;

// Generate the bottom.
generate_box = 1; // [0:no,1:yes]

// Generate a lid.
generate_lid = 1; // [0:no,1:yes]

//CUSTOMIZER VARIABLES END

// resolution
$fn=100;

x_width_outside = x_width + thickness*2 + lip_thickness*2 + looseness_offset*2;
y_width_outside = y_width + thickness*2 + lip_thickness*2 + looseness_offset*2;
bottom_height_outside = bottom_height + thickness;
lid_height_outside = lid_height + thickness;

corner_radius = min(radius, x_width/2, y_width/2);

// Adjust for cube size after minowski corner union is taken into account
xadj = x_width_outside - (corner_radius*2);
yadj = y_width_outside - (corner_radius*2);

// ---- Generate bottom
box_height_total = bottom_height_outside + lip_height;
lip_overlap_cut_total = bottom_height - lip_overlap_height;

if (generate_box == 1 ) {
	translate([-((x_width_outside/2+2) * generate_lid), 0, 0]) difference()
	{
		union()
		{
            // Outer body
            translate([0,0,bottom_height_outside/4]) minkowski()
            {
                cube([xadj,yadj,bottom_height_outside/2],center=true);
                cylinder(r=corner_radius,h=bottom_height_outside/2);
            }

            corner_lip = max(0.1, corner_radius - thickness - looseness_offset);

            // Inner body that forms lip
			translate([0,0,box_height_total/4]) minkowski()
			{
			 cube([x_width_outside - thickness*2 - corner_lip*2 - looseness_offset*2,
                   y_width_outside - thickness * 2 - corner_lip*2 - looseness_offset*2,
                   box_height_total/2],
                   center=true);
			 cylinder(r=corner_lip,h=box_height_total/2);
			}
		}

		// Cut out inside
		union()
		{
            inside_lip_radius = max(0.1, corner_radius - thickness - lip_thickness - looseness_offset);

			translate([0,0,(box_height_total)/4 + thickness]) minkowski()
			{
			 cube([x_width - inside_lip_radius*2,
                   y_width - inside_lip_radius*2,
                   (box_height_total)/2],
                   center=true);
			 cylinder(r=inside_lip_radius,h=box_height_total/2);
			}

            c_radius = max(0.1, corner_radius - thickness);
			// cut out even more to make connector lip only go so deep
			translate([0,0,((lip_overlap_cut_total)/4)  + thickness  ]) minkowski()
			{
			 cube([x_width_outside - thickness*2 - c_radius*2,y_width_outside - thickness*2 - c_radius*2, lip_overlap_cut_total/2],center=true);
			 cylinder(r=c_radius,h=lip_overlap_cut_total/2);
			}

		}
	};
}

// Generate the lid
if (generate_lid==1) {
	translate([(x_width_outside/2+1) * generate_box, 0, lid_height_outside/4]) {
		difference()
		{
			// Body
			minkowski()
			{
			 cube([xadj,yadj,lid_height_outside/2],center=true);
			 cylinder(r=corner_radius,h=lid_height_outside/2);
			}

            corner_inner = max(0.1, corner_radius - thickness);

            // Cut out inside
			translate([0,0,thickness]) minkowski()
			{
			 cube([x_width_outside-corner_inner*2-thickness*2,y_width_outside-corner_inner*2-thickness*2,lid_height/2],center=true);
			 cylinder(r=corner_inner,h=lid_height/2);
			}
		}
	};
}

```