[User]
Hi there! I'm looking to get an OpenSCAD design for a customizable key, kind of like the one I saw online, that can fit various polygonal shafts. I need it to be parametric so I can adjust it for different sizes and shapes.

Here's what I'm hoping to achieve:

**Key Features:**

*   **Polygonal Hole:** The key needs a hole that's a regular polygon. I need to be able to specify the number of sides (e.g., triangle, square, hexagon, etc.) and the diameter of the hole. The diameter should be the distance between parallel sides for even-sided polygons or from the middle of one side to the opposite corner for odd-sided polygons. I'd also like to specify the depth of this hole.
*   **Handle:** I need a handle for the key. I'm thinking something ergonomic. I'd like to have a choice of different handle styles, say 3 different shapes.
*   **Optional String Hole:** I would like an option for a small hole in the handle so I can attach a string or keyring to it. This should be configurable on/off.
*   **Base Thickness:** It would be great if I can also control the minimum outer diameter of the 'trunk' of the key, just to make it a little thicker if needed.
*   **Print Foot/Brim:** If the handle makes the key a bit top-heavy, it would be useful to add a small foot or brim to the base to increase bed adhesion when 3D printing.

**Parameters:**

I think I'll need these as parameters:

*   `hole_sides` (integer) : The number of sides of the polygonal hole (e.g. 3 for a triangle, 6 for a hexagon)
*   `hole_diameter` (float) : The diameter of the polygonal hole.
*   `hole_depth` (float) : The depth of the polygonal hole.
*   `string_hole` (boolean) : Option to include a hole for a string, yes/no
*   `min_outer_diameter` (float) : Minimum outer diameter for the key's 'trunk'.
*   `add_foot` (boolean) : Option to include a brim/foot for bed adhesion, yes/no.
*   `handle` (integer): A selection of handle types, e.g. 1, 2, or 3.

I think that should be all I need for now, can you help with this? I'd like the design to be easily customizable by changing these parameters in OpenSCAD. I am expecting that all the code will be in one file.

[Assistant]
Key3.scad:
```
//  - The number of sides.
hole_sides = 6; // [3:12]

//  - For an even number of sides, this is the perpendicular distance between two opposite, parallel sides. For an odd number of sides, this is the perpendicular distance from the middle of one side to the opposite corner.
hole_diameter = 5.7;

//  - The depth of the hole.
hole_depth = 8; // 4+

//  - Do you need a hole in the handle?
string_hole = 1;//[0:No, 1:Yes]

//  - Minimal outer diameter - use this to make the `trunk' of the key thicker.
min_outer_diameter = 0;

//  - Do you need to add a foot/brim to increase adhesion during printing?
add_foot = 0;//[0:No, 1:Yes]

//  - Which handle style? Numbers 2 & 3 don't look right in Customiser, but render fine!
handle = 1;//[1,2,3]

hole_height = hole_depth + hole_diameter;
w = hole_diameter/2+2;
h = hole_height + 1;

difference()
{
  union()
  {
    cyl_rad_min = diam2rad(hole_diameter, hole_sides) + 2;
    cyl_rad = max(cyl_rad_min, min_outer_diameter/2);

   // cyl_top = handle == 2 ? max(1, hole_depth / 6) : 0;
    cyl_top = handle == 1 ? 0 : (handle == 2 ? max(1, hole_depth / 6) : max(0.5, hole_depth / 8));
    cylinder(hole_height + 1, cyl_rad, cyl_rad+cyl_top, $fn = 96);

    if(add_foot)
      feet(cyl_rad);

    translate([0, 0, hole_height+1])
    if(handle == 1)
      cylinder(4, cyl_rad+cyl_top, 0, $fn = 96);
    else
      cylinder(2, cyl_rad+cyl_top, 0, $fn = 96);

    handle_thickness = min(10, max(4, hole_diameter/4+2));

    if(handle == 1)
      handle1(handle_thickness, cyl_rad);
    else if(handle == 2)
      handle2(handle_thickness, cyl_rad);
    else if(handle == 3)
      handle3(handle_thickness, cyl_rad);
  }

  if(string_hole)
    translate([0, 0, handle!=3?1.4*h+1.5:1.2*h+1.0])
      rotate([90])
        difference()
        {
          cylinder(11, 2.6, 2.6, true, $fn = 96);
          translate([0, 2.4, 0])
            cube([5.2, 0.4, 12], true);
        }

  nPrism(hole_sides, hole_diameter, hole_depth);
}

module nPrism(sides, diam, ln)
{
  l  = diam2rad(diam, sides);
  l2 = diam2rad(diam + 2, sides);

  linear_extrude(height = ln)
    polygon(points=[for(i=[0:(360/sides):360]) l*[cos(i), sin(i)]]);

  translate([0,0,ln])
    linear_extrude(height = diam, scale = 0)
      polygon(points=[for(i=[0:(360/sides):360]) l*[cos(i), sin(i)]]);

  translate([0,0,-1])
    linear_extrude(height = diam+2.5, scale = 0)
      polygon(points=[for(i=[0:(360/sides):360]) l2*[cos(i), sin(i)]]);
}

module feet(rad)
{
  difference()
  {
    union()
    {
      difference()
      {
        cylinder(0.4, rad+6, rad+6, $fn = 48);
        cylinder(1, rad+1, rad+1, $fn = 48, true);
      }

      cnt=(3.141592*rad)/4;
      for(i = [0:(180/cnt):180])
        rotate([0, 0, i])
          translate([-rad-2, -0.5, 0])
            cube([2*rad+4, 1, 0.4]);
    }

    cylinder(1, rad-0.1, rad-0.1, $fn = 48, true);
  }
}

module handle1(thickness, cyl_rad)
{
  rotate([90])
    difference()
    {
      linear_extrude(height = thickness, center=true)
        minkowski()
        {
          polygon(points = [[0, hole_depth], [w*1.6, 1.2*h-0.5], [w*1.7, 1.4*h+1.5],[cyl_rad, 1.4*h+2.0], [-cyl_rad, 1.4*h+2.0], [-w*1.7, 1.4*h+1.5], [-w*1.6, 1.2*h-0.5], [0, hole_depth]]);
          circle(min(5, hole_depth), $fn=96);
        }

      translate([0, 0, thickness/2])
      linear_extrude(height = 1.2, center=true)
        minkowski()
        {
          polygon(points = [[0, hole_depth], [w*1.6, 1.2*h-0.5], [w*1.7, 1.4*h+1.5],[0, 1.4*h+1.8], [-w*1.7, 1.4*h+1.5], [-w*1.6, 1.2*h-0.5], [0, hole_depth]]);
          circle(min(5, hole_depth)-2, $fn=96);
        }

      translate([0, 0, -thickness/2])
      linear_extrude(height = 1.2, center=true)
        minkowski()
        {
          polygon(points = [[0, hole_depth], [w*1.6, 1.2*h-0.5], [w*1.7, 1.4*h+1.5],[0, 1.4*h+1.8], [-w*1.7, 1.4*h+1.5], [-w*1.6, 1.2*h-0.5], [0, hole_depth]]);
          circle(min(5, hole_depth)-2, $fn=96);
        }
     }
 }

module handle2(thickness, cyl_rad)
{
  rotate([90])
  intersection()
  {
    rotate_extrude(angle=190, $fn = 96)
      rotate([0,0,90])
        difference()
        {
          union()
          {
           polygon(points = [[-thickness/2+1, 0], [thickness/2-1, 0],
                             [ thickness/2, 1.4*h+1.8+4],
                             [-thickness/2, 1.4*h+1.8+4]]);
           translate([0, 1.4*h+1.8+4])
             circle(thickness/2+0.0, $fn = 96*2);
          }
        }

    linear_extrude(height = thickness+2, center=true)
    {
      polygon(points = [[-cyl_rad+0.5, 0],[cyl_rad-0.5, 0],
                     [ 1.5*h+1, 2.8*h+4],
                     [-1.5*h-1, 2.8*h+4]]);
    }
  }
}

module handle3(thickness, cyl_rad)
{
  wid = w*1.7*2+min(5, hole_depth) - thickness/2;
  rd = wid*3;
  ht = 1.4*h+7.0;
  r = (w*1.7*2 + min(5, hole_depth)) / 2;
  l = r*r/ht;

  difference()
  {
    translate([0, 0, 1.2*h+1-l])
    {
      rotate([180])
        linear_extrude(height = ht-l, scale = 0)
          projection(cut = true)
            translate([0, 0, l])
              rotate([90])
                shape3D(thickness, cyl_rad);

      difference()
      {
        translate([0, 0, l])
          rotate([90])
            shape3D(thickness, cyl_rad);

        translate([-(wid+thickness+1)/2, -(thickness+1)/2, -wid])
          cube([wid+thickness+1, thickness+1, wid]);
      }
    }
    translate([0, 0, -ht/2])
      cube([wid, cyl_rad*2, ht], true);
  }
}

module shape3D(thickness, cyl_rad)
{
  wid = w*1.7*2+min(5, hole_depth) - thickness/2;
  rd = wid*3;

  rotate_extrude($fn = 96*2)
    difference()
    {
      union()
      {
        square([wid, thickness], true);
        //translate([wid/2, 0])
          //circle(thickness/2, $fn = 96);
        translate([-wid/2, 0])
          circle(thickness/2, $fn = 96);
      }

      translate([0, sqrt(rd*rd - wid*wid/4)+thickness/2])
        circle(rd, $fs = 0.5, $fa = 0.1);
      translate([0, -sqrt(rd*rd - wid*wid/4)-thickness/2])
        circle(rd, $fs = 0.5, $fa = 0.1);

      translate([0, -thickness/2])
        square([wid, thickness]);
    }
}

function diam2rad(diam, sides) = isOdd(sides) ? diam/(1 + cos(180/sides)) : diam/ (cos(180/sides) * 2);
function isOdd(t) = (t-(floor(t/2)*2));
```


[User]
I'm looking for an OpenSCAD design for a watch strap keeper. I'd like it to be parametric, so I can easily adjust it for different strap sizes.

Here's what I need:

*   **Strap dimensions:** I need to be able to specify both the strap's thickness and width. It should accommodate straps that pass through the keeper multiple times, like with NATO or Zulu straps, so the thickness setting should scale accordingly.

*   **Keeper dimensions:** The keeper itself also needs adjustable thickness and width.

*   **Edge shape:** I'd like an option to choose between having a square or a rounded edge on the keeper.

*   **Entry slit:** A configurable option to add a small slit to ease strap entry into the keeper would be great.

*   **Print orientation:** An option to orient the model for easy printing would be useful too.

I am not particularly concerned with using libraries, so whatever you think is best would be good. Could you create the necessary OpenSCAD code for this?

[Assistant]
watch_strap_keeper.scad:
```
//Watch Strap keeper
//by Khairulmizam Samsudin, Sept 2016
//xource@gmail.com
//"watch_strap_keeper" is licenced under Creative Commons :
//Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
//http://creativecommons.org/licenses/by-nc-sa/4.0/

//UPDATES:
//22/9/2016 - Released

/* [Options] */
// preview[view:south east, tilt:top diagonal]
// Watch strap thickness. Be sure to increase the thickness if the strap make several pass through the keeper. i.e. Nato or Zulu strap.
Strap_thickness=1.2*3.5; // [1:10]
// Width of the strap.
Strap_width=24; // [5:30]
// Thickness of the keeper.
Keeper_thickness=2; // [1:5]
// Width of the keeper.
Keeper_width=3; // [1:5]
//Shape of keeper edge.
Edge = 1; //[0:Square, 1:Round]
//Strap entry slit.
Slit = 0; //[0:No, 1:Yes]
// Position for printing.
Print=0; // [0:No, 1:Yes]

/* [Hidden] */

strapT=Strap_thickness;
strapW=Strap_width;
keeperT=Keeper_thickness;
keeperW=strapW+keeperT*2;
keeperL=Keeper_width;
keeperH=strapT+keeperT*2;
edge=Edge;
slit=Slit; //entry slit
slitAngle=0;
print=Print;
epsilon=0.1;
$fn=40;

module strap() {
    cube([strapW*3,strapW,strapT],center=true);
}

module kround(T=keeperT,e=0) {
    kR=strapT/2;
    hull() {
        translate([0,keeperW/2-kR*2,0]) rotate([0,90,0]) cylinder(r=kR+T,h=keeperL+e,center=true);
        translate([0,-keeperW/2+kR*2,0]) rotate([0,90,0]) cylinder(r=kR+T,h=keeperL+e,center=true);
    }
}

module keeper() {
    if (edge) {
        difference() {
            kround();
            kround(T=0,e=epsilon);
        }
    } else {
        difference() {
            cube([keeperL,keeperW,keeperH],center=true);
            cube([keeperL+epsilon,strapW,strapT],center=true);
        }
    }
}

rotY = print?90:0;
 rotate([0,rotY,0]) union() {
    %strap();
    difference() {
        keeper();
        if (slit) {
            rotate([0,0,slitAngle]) translate([0,0,-keeperH/2]) cube([keeperL*4,keeperW/6,keeperH],center=true);
        }
    }
}
```


[User]
Hey, I'm looking to design a watch strap buckle and I'd like to use OpenSCAD to make it parametric. I've got some ideas based on a design I saw, but I need help generating the code.

Essentially, I need a buckle that can accommodate straps of varying thicknesses and widths. The design should allow me to control the overall thickness and height of the buckle itself, and I'd like to have a few different frame shape options, including square, round, and some trapezoidal variations. It'd also be handy to have a slit for easier strap insertion and the option to have the prong either closed or slightly open. I'd like the design to have print orientation options as well, if that's not too much to ask. I'm thinking that it needs to have a pin that goes through the buckle to hold the prong.

Here are the specific parameters I think I'll need to control:

*   **Strap_thickness:**  The thickness of the watch strap.
*   **Strap_width:** The width of the watch strap.
*   **Buckle_thickness:** The overall thickness of the buckle frame.
*   **Buckle_height:** The height of the buckle frame.
*   **Slit:** A boolean (or similar) to control whether there's a slit for the strap.
*   **Frame:** An integer (or similar) to select from a list of frame shapes (square, round, square wide, round wide, trapezoid square, trapezoid round, and a couple of custom shapes).
*   **Prong_open:**  A boolean (or similar) to control if the prong is slightly open or fully closed.
*  **Print:** A boolean(or similar) to specify print orientation.

For the shapes, I'm envisioning the following:

*   **Square:** Basic rectangular frame.
*   **Round:** Rounded frame with cylindrical segments.
*   **Square wide:** A wider rectangular frame.
*   **Round wide:** A wider rounded frame.
*   **Trapezoid Square:** Square-ish with slightly angled sides on the top and bottom of the strap entry.
*   **Trapezoid Round:** Rounded with slightly angled sides on the top and bottom of the strap entry.
* **Custom 1:** Something like a rounded rectangle shape, with extra cylinders.
* **Custom 2:** Something with a "pinched" look to it, kind of like a flattened oval.

The code should also include a few internal calculations (like pin diameter based on the buckle height), and I'd like to use the `hull()` function to smooth out connections and fillets.  I'm not looking for anything too fancy in terms of tolerances – just something that's practical for 3D printing. I don't think any special libraries will be needed.

Thanks!

[Assistant]
watch_strap_buckle.scad:
```
//Watch Strap Buckle
//by Khairulmizam Samsudin, Sept 2016
//xource@gmail.com
//"watch_strap_buckle" is licenced under Creative Commons :
//Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
//http://creativecommons.org/licenses/by-nc-sa/4.0/

//UPDATES:
//4/10/2016 - Updates
//-Relax the printer tolerance requirement
//-Add strengthening fillet
//23/9/2016 - Updates
//-Code cleanup
//-Added different frame shapes
//-Added print position option
//22/9/2016 - Released

/* [Options] */
// preview[view:south east, tilt:top diagonal]
// Watch strap thickness. Be sure to increase the thickness if the strap make several pass through the keeper. i.e. Nato or Zulu strap.
Strap_thickness=1.2; // [1:10]
// Width of the strap.
Strap_width=24; // [5:30]
// Thickness of the buckle.
Buckle_thickness=3; // [3:6]
// Height of the buckle. The tip of the prong would be half of the buckle height
Buckle_height=4; // [4:6]
//Strap entry slit.
Slit = 1; //[0:No, 1:Yes]
//Frame shapes
Frame = 6; //[0:Square, 1:Round, 2:Square wide, 3:Round wide, 4:Trapezoid Square, 5:Trapezoid Round, 6: Custom 1, 7: Custom 2]
//Open the prong
Prong_open = 0; //[0:No, 1:Yes]
// Position for printing.
Print=0; // [0:No, 1:Yes]

/* [Hidden] */
strapW=Strap_width;
strapT=Strap_thickness;
buckleH=Buckle_height;
buckleT=Buckle_thickness;
buckleW=strapW+buckleT*2;
buckleL=15;
pinD=2;
pinR=pinD/2;
prongR=buckleH/2;
prongW=2;
prongRot=Prong_open;
slit=Slit;
slitAngle=0;
shape=Frame;
print=Print;
epsilon=0.1;
$fn=40;
frameL=buckleT+strapT*1.5+buckleL+buckleT;
strapX=-strapW/2-frameL/2+buckleT+strapT;
pinX=-buckleT/2+frameL/2-buckleT-strapT*1.5;

module strap() {
    cube([strapW,strapW,buckleH],center=true);
}

module fshape() {
    //%cube([frameL,buckleW,buckleH],center=true);
    posX=(shape==0 || shape==1) ? frameL/2-buckleT/2 : frameL/2 ;
    posY=(shape==0 || shape==1 || shape==2 || shape==3) ? buckleW/2-buckleT/2 : buckleW/2;
    if (shape==0 || shape==2 || shape==4) { //square
        hull() {
            translate([0.5-frameL/2,0,0]) cube([1,buckleW,buckleH],center=true);
            translate([posX,posY,0]) cube([buckleT,buckleT,buckleH],center=true);
            translate([posX,-posY,0]) cube([buckleT,buckleT,buckleH],center=true);
        }
    } else if (shape==1 || shape==3 || shape==5) { //round
        hull() {
            translate([-frameL/2+buckleT/2,buckleW/2-buckleT/2,0]) cylinder(r=buckleT/2,h=buckleH,center=true);
            translate([-frameL/2+buckleT/2,-(buckleW/2-buckleT/2),0]) cylinder(r=buckleT/2,h=buckleH,center=true);
            translate([posX,posY,0]) cylinder(r=buckleT/2,h=buckleH,center=true);
            translate([posX,-posY,0]) cylinder(r=buckleT/2,h=buckleH,center=true);
        }
    } else if (shape==6) {
        hull() {
            translate([-frameL/2+buckleT/2,buckleW/2-buckleT/2,0]) cylinder(r=buckleT/2,h=buckleH,center=true);
            translate([-frameL/2+buckleT/2,-(buckleW/2-buckleT/2),0]) cylinder(r=buckleT/2,h=buckleH,center=true);
            translate([posX-buckleT,posY,0]) cylinder(r=buckleT/2,h=buckleH,center=true);
            translate([posX-buckleT,-posY,0]) cylinder(r=buckleT/2,h=buckleH,center=true);
            translate([posX,posY-buckleT/2,0]) cylinder(r=buckleT/2,h=buckleH,center=true);
            translate([posX,-posY+buckleT/2,0]) cylinder(r=buckleT/2,h=buckleH,center=true);
        }
    } else if (shape==7) {
        hull() {
            translate([0.5-frameL/2,0,0]) cube([1,buckleW,buckleH],center=true);
            factor=4;
            translate([posX,0,0]) scale([1,factor,1]) cylinder(r=buckleW/(factor*2),h=buckleH,center=true);
        }
    }
}
module frame() {
    difference() {
        fshape();
        translate([0,0,0]) hull() {
            //cube([frameL-buckleT*2,strapW,buckleH+epsilon],center=true);
            coL=frameL-buckleT*2;
            coD=4;
            coR=coD/2;
            translate([0.5-coL/2,0,0]) cube([1,strapW,buckleH+epsilon],center=true);
            translate([-coR+coL/2,strapW/2-coR,0]) cylinder(r=coR,h=buckleH+epsilon,center=true);
            translate([-coR+coL/2,-strapW/2+coR,0]) cylinder(r=coR,h=buckleH+epsilon,center=true);
    }
        translate([-pinX,0,0]) pin(R=pinR+0.4,gap=0.3);
        translate([-pinX,0,0]) prong(gap=0.6,e=epsilon);
        if (slit) {
            rotate([0,0,slitAngle]) translate([-frameL/2+buckleT/2,0,0]) cube([buckleT+epsilon,buckleW/6,buckleH+epsilon],center=true);
        }
    }
}
module pin(R=pinR,gap=0) {
    rotate([90,0,0]) cylinder(r=R,h=buckleW-buckleT+gap,center=true);
}

module prong(gap=0,e=0) {
    hull() {
            cube([buckleT,prongW+gap,buckleH+gap],center=true);
            translate([pinX+buckleT/2/2+frameL/2-buckleT,0,buckleH/2/2]) cube([buckleT/2+gap,prongW+gap+e,buckleH/2+gap+e],center=true);
    }

    cube([buckleT,strapW-1.0,buckleH],center=true);
    pin();
}

rotX = print?180:0;
rotate([rotX,0,0]) union() {
    %translate([strapX,0,0]) strap();
    frame();
    rotY=prongRot?30:0;
    translate([-pinX,0,0]) rotate([0,-rotY,0]) prong();
}
```


[User]
I need a parametric design for a pipe foot, like the one I've attached the code for, but more robust. I'm going to be using it with different diameter pipes, so it needs to be easily adjustable, and I'd also like to be able to add a mounting hole for screws.

Essentially, it should have a cylindrical base, a cylindrical shaft to fit the pipe, and the option for a screw hole to secure it down. The base should be slightly rounded on the bottom edge for aesthetics. I think using `minkowski` like in the example code would be great for that.

I'd like to be able to control the following parameters:

*   `foot_diameter`: The diameter of the base cylinder.
*   `foot_height`: The overall height of the base.
*   `shaft_diameter`: The diameter of the shaft that fits into the pipe.
*   `shaft_height`: The height of the shaft.
*   `round_radius`: The radius for the `minkowski` rounding of the base.
*   `hole_diameter`: The diameter of the mounting hole.
*   `hole_offset`: The horizontal distance from the center of the base to the center of the hole.
*   `hole_vertical_position`: The vertical distance from the bottom of the base to the center of the hole.

I think that using the `minkowski` function in OpenSCAD for the base rounding is ideal. Would it be possible to use the BOSL2 library for this? I think that might be helpful for some of the more complex operations. I can't provide that library myself since it's a bit large, but hopefully you have access to it!

[Assistant]
Maker_Pipe_Foot.scad:
```
foot_diameter = 28;
foot_height = 6;
shaft_diameter = 21;
shaft_height = 30;

$fn=200;

minkowski()
{
    cylinder(h = foot_height-2, d=foot_diameter-2, center = false);
    sphere(r=1);
}

    cylinder(h = foot_height, d=foot_diameter, center = false);

minkowski()
{
    cylinder(h = shaft_height-2, d=shaft_diameter-2, center = false);
    sphere(r=1);
}

```


[User]
I'd like to create a customizable monitor shelf with a hexagonal honeycomb pattern on the top surface. The shelf should be rectangular, with adjustable length, width, and height. The top surface will have the honeycomb pattern cut into it, and this pattern should also be customizable. I want to be able to adjust the size of the hexagonal cells, the thickness of the walls between the cells, and also have some control over how many cells are randomly "missing" from the pattern. I'd also like to add a back and front support and a couple of side supports, as well as holes for legs that I will be printing separately - I have the models for those from thingiverse, from Vornox. These holes should be located on the sides, near the corners.

I'm not a huge fan of the fixed random seed, so I'd like that to be adjustable. I want to control the frequency of missing cells, basically how common missing cells are. And I'd like the option to turn the honeycomb pattern on and off.

So, to summarize, I need an OpenSCAD file (or files, if it makes sense to split it up) that does the following:

*   **Shelf Dimensions:**
    *   Adjustable length, width, and height (all in mm).
    *   Adjustable thickness for the top surface where the honeycomb is cut.

*   **Honeycomb Pattern:**
    *   Adjustable cell size (diameter of the inscribed circle of each hexagon).
    *   Adjustable wall thickness between the hexagons.
    *   Adjustable random seed for missing cells.
    *   Adjustable frequency, basically how common missing cells are - can probably use a float.
    *   Option to turn the honeycomb pattern on or off.
*   **Supports:**
    *   A back and front support.
    *   Side supports (basically a small rectangular solid on each side)
*   **Leg Holes:**
    *   Holes on each side for legs (diameter will need to be parametric, but I can provide that). The hole's diameter is used as a parameter to construct this. These models will be included separately via `include` or `use` (Vornox's leg and nut models from thingiverse).
*   **Units:** All measurements in millimeters.
*   **Comments:** I'd appreciate descriptive comments in the code.

I think that's everything. Let me know if you have questions.

[Assistant]
monitor_shelf.scad:
```
// preview[tilt:top]

// (mm)
length = 170;

// (mm)
width = 80; // [20:100]

// (mm)
height = 15;

// of the top hexagonal surface
thickness = 4;   // [2:7]

inner_walls = 3; // [3:7]
outer_walls = 5; // [3:7]
cell_size = 10;  // [5:35]
seed = 1;
frequency = 10;  // [0:99]

with_holes = "yes"; // [yes:Yes, no:No]

/* [Hidden] */
hole_size = 6.5;

module honeycomb(rows, columns, cell_size, inner_walls, height) {
    missing = rands(0,100,rows*columns, seed);

    for (i = [0 : rows - 1]) {
        translate([(i % 2) * cell_size / 2, cell_size * i * sqrt(3) / 2, -height/2])
        linear_extrude(height=height) {
            for (j = [0 : columns - 1]) {
                if (missing[i*j] > frequency)
                    translate([j * cell_size, 0, 0]) rotate([0,0,30])
                    circle(r=(cell_size - inner_walls)/sqrt(3),$fn=6);
            }
        }
    }
}

difference() {
    cube([length, width, 15]);

    translate([outer_walls, outer_walls, thickness])
    cube([length - 2 * outer_walls, width - 2 * outer_walls, height - thickness]);

    // leg holes
    translate([0, outer_walls + hole_size/2 + 3, thickness + (height - thickness) / 2])
    rotate([0,90,0])
    cylinder(d=hole_size, h=length);

    // back
    polyhedron(
        [[outer_walls + 5,           0,            height / 2],
         [length - outer_walls - 5,  0,            height / 2],
         [length - outer_walls - 5,  outer_walls,  height / 2],
         [outer_walls + 5,           outer_walls,  height / 2],
         [outer_walls,               0,            height],
         [length - outer_walls,      0,            height],
         [length - outer_walls,      outer_walls,  height],
         [outer_walls,               outer_walls,  height]]
        ,
        [[0,1,2,3],  // bottom
         [4,5,1,0],  // front
         [7,6,5,4],  // top
         [5,6,2,1],  // right
         [6,7,3,2],  // back
         [7,4,0,3]]  // left
    );

    // front
    polyhedron(
        [[outer_walls + 3,           width - outer_walls,  3 * height / 4],
         [length - outer_walls - 3,  width - outer_walls,  3 * height / 4],
         [length - outer_walls - 3,  width,                3 * height / 4],
         [outer_walls + 3,           width,                3 * height / 4],
         [outer_walls,               width - outer_walls,  height],
         [length - outer_walls,      width - outer_walls,  height],
         [length - outer_walls,      width,                height],
         [outer_walls,               width,                height]]
        ,
        [[0,1,2,3],  // bottom
         [4,5,1,0],  // front
         [7,6,5,4],  // top
         [5,6,2,1],  // right
         [6,7,3,2],  // back
         [7,4,0,3]]  // left
    );

    // side
    polyhedron(
        [[0,                outer_walls + hole_size + 10,  thickness],
         [outer_walls,      outer_walls + hole_size + 10,  thickness],
         [outer_walls,      width - outer_walls,           thickness],
         [0,                width - outer_walls,           thickness],
         [0,                outer_walls + hole_size + 4,   height],
         [outer_walls,      outer_walls + hole_size + 4,   height],
         [outer_walls,      width - outer_walls,           height],
         [0,                width - outer_walls,           height]]
        ,
        [[0,1,2,3],  // bottom
         [4,5,1,0],  // front
         [7,6,5,4],  // top
         [5,6,2,1],  // right
         [6,7,3,2],  // back
         [7,4,0,3]]  // left
    );

    // side
    polyhedron(
        [[length - outer_walls,      outer_walls + hole_size + 10,  thickness],
         [length,               outer_walls + hole_size + 10,  thickness],
         [length,               width - outer_walls,           thickness],
         [length - outer_walls,      width - outer_walls,           thickness],
         [length - outer_walls,      outer_walls + hole_size + 4,   height],
         [length,               outer_walls + hole_size + 4,   height],
         [length,               width - outer_walls,           height],
         [length - outer_walls,      width - outer_walls,           height]]
        ,
        [[0,1,2,3],  // bottom
         [4,5,1,0],  // front
         [7,6,5,4],  // top
         [5,6,2,1],  // right
         [6,7,3,2],  // back
         [7,4,0,3]]  // left
    );

    if (with_holes == "yes") {
        translate([outer_walls, outer_walls, 0])
        intersection() {
            cube([length - 2 * outer_walls, width - 2 * outer_walls, thickness]);

            rows = ceil((width - 2 * outer_walls) / (cell_size * sqrt(3) / 2) + 1);
            columns =  ceil((length - 2 * outer_walls) / cell_size + 1);

            echo(rows);
            echo(columns);

            honeycomb(rows, columns, cell_size, inner_walls, 3 * thickness);
        }
    }
}

```


[User]
I'm looking for some help designing a parametric OpenSCAD file for a fabric-wrapped button. I have a specific design in mind, but I want it to be easily customizable.

The button should have the following features:

*   **Shape:** Circular
*   **Features:** The button itself will be a flat cylinder with a slight lip around the edge, designed to hold a fabric covering in place. There will be a separate retaining ring that fits inside the button to secure the fabric.
*   **Holes:** The button should have a customizable number of holes (e.g., 2 or 4) for sewing it onto a garment. These holes should be evenly spaced around the center of the button and have a customizable diameter and distance from the center.
*   **Dimensions:** The button should have customizable dimensions, including width (diameter), thickness, and the thickness of the walls.

In addition to the button and retaining ring, I'd like the OpenSCAD file to generate two optional tools:

1. **Cutting Pattern:** A flat, circular disc with a customizable diameter slightly larger than the button. This will be used as a template for cutting out the fabric to the correct size. It should also have a smaller hole in the center to help with centering it on the button.
2. **Fitting Cup:** A hollow cylinder designed to help press the fabric-covered button into the retaining ring. It should be slightly larger than the button and have a thick enough base to withstand pressure. It should have a small hole in the middle of the bottom for centering the button.

Essentially, I want to be able to easily create a set of STL files for printing a customizable fabric-wrapped button with all the necessary tools. I would like the OpenSCAD file to use the MCAD library.

Could you help me create a parametric OpenSCAD file or files that can generate these parts? Please ensure that all the parameters mentioned above are customizable.

[Assistant]
button.scad:
```

// Which one would you like to see?
part = "both"; // [button:Button Only,ring:Retaining Ring Only,both:Button and Ring, tools: Cutting Pattern and fitting cup]

holeCount = 4;

//distance in mm from centre of button
holeDistance = 3.6;

//diameter of holes in mm
holeDiameter = 2.6;

//button thickness in mm
thickness = 4;

//button diameter in mm
width = 40;

/* [Hidden] */
height = thickness;
wallThickness = 0.9;
patternWidth = (width + height * 6 + wallThickness * 6);

$fn = 90;
module button(){

    difference(){
        cylinder(h = height+wallThickness, r = width/2);

        translate([0, 0, wallThickness]){
            cylinder(h = height+0.1 - wallThickness, r = (width/2) - (wallThickness  ));
        }

        for(i = [0: 1 : holeCount-1]){
            angle = ((360 / holeCount) * i);

            rotate([0, 0, angle]){
                translate([0, holeDistance, -0.05]){
                    cylinder(h = wallThickness+0.1, r = holeDiameter/2);
                }
            }
        }

        translate([0, 0, height+0.01]){
            cylinder(h = wallThickness, r1 = width/2- (wallThickness), r2 = width/2 - (wallThickness  *2));
        }
    }
}

module retaining_ring(){
    difference(){
        cylinder(h = wallThickness * 3, r = width/2 - (wallThickness  *2));

        translate([0, 0, -0.01]){
            cylinder(h = wallThickness * 3 + 0.1, r = width/2 - (wallThickness  *5));
        }

    }
}

module fittingCup(){
    difference(){
        cylinder(h = height+wallThickness * 3, r = width/2 + wallThickness * 1.5);

        translate([0, 0, wallThickness]){
            cylinder(h = height+wallThickness* 3, r = width/2+ wallThickness * 0.5);
        }
         translate([0, 0, -wallThickness]){
            cylinder(h =wallThickness* 3, r = width/4);
        }
    }
 }

 module cuttingPattern(){

    difference(){
        cylinder(h = wallThickness, r = patternWidth/2);

        translate([0, 0, -.05]){
            cylinder(h = wallThickness+0.1, r = patternWidth/3);
        }
    }
}

module tools() {

    translate([0, width/1.8, 0]){
        fittingCup();
 }

 translate([0, -patternWidth/1.8, 0]){
      cuttingPattern();
 }
}

module both() {
    translate([-width/1.8,0,0]) button();
    translate([width/1.8,0,0]) retaining_ring();
}
print_part();

module print_part() {
	if (part == "button") {
		button();
	} else if (part == "ring") {
		retaining_ring();
	} else if (part == "cup") {
		fittingCup();
	}else if (part == "pattern") {
		cuttingPattern();
	} else if (part == "tools") {
		tools();
	} else {
		both();
	}
}
```


[User]
I need a parametric OpenSCAD design for a holder that can accommodate cups or mugs that have had their handles broken off. Essentially, I want a sleeve that a handleless cup can be placed into, providing a way to hold the cup without touching the potentially hot surface.

The holder should consist of two main parts:

1. **The Cup Holder:** A cylindrical shape that can hold the cup. It should have a solid base and an open top, kind of like a cup itself. It also needs a pair of rings for structural stability, each being 1/3 of the overall height of the holder, one at the bottom and one at the top. The wall thickness should be around 2mm. The height and radius of the holder, along with the wall thickness, should be easily adjustable.
2. **The Handle:** A rectangular handle that extends from the side of the holder. The handle should be solid and have customizable dimensions for its length, width, and height. The handle should be positioned so that it doesn't interfere with the insertion of the cup.

The design needs to be fully parametric so I can easily adjust the dimensions of the cup holder and the handle. I also want the ability to change the wall thickness of the cup holder. I need this to be fully compatible with the MCAD library.

[Assistant]
tasse.scad:
```
module T1(R1,H1){

module tasse(){
cylinder(r=R1+2, h=H1/3);
}
module tasse_ringe(){
tasse();
translate([0,0,(H1/3)*2])
tasse();
}

module tasse_n(){
cylinder(r=R1, h=H1-2);
}

difference(){
tasse_ringe();
translate([0,0,2])
tasse_n();
}

module henkel(){
difference(){
cube([10,30,H1 ]);
translate([0,5,5])
cube([10, 20, H1-10]);
}
}
translate([-5,R1,0])
henkel();
}

//Change inner Radius and height here "T1(Radius,Height);" default 40,60

T1(40,60);
```


[User]
I'd like to create some refrigerator magnets in OpenSCAD, with some text on them. Each letter of the phrase will be on a separate magnet, and I want the back of each magnet to be rounded. I'm thinking of something like this:

*   A string parameter called `str` to control the phrase.
*   A number parameter called `letter_size` to control the size of the text.
*   A number parameter called `letter_height` to control the height/thickness of the letters.
*   A number parameter called `width` to control the spacing between each letter/magnet.

The letters should be extruded from a rounded base. I'm not sure how to do that, but I think it might involve a `minkowski` sum with a sphere somehow? I'd like the letters to be carved out of the base, so each letter should be subtracted from its base using a `difference` operation. I'd also like to be able to easily change the font. Monospace fonts are best since each letter will be on a separate base.

Can you help me design a parametric OpenSCAD file to generate these magnets? Thanks!

[Assistant]
PhraseMagnet.scad:
```
str="Text";
font = "Liberation Mono";
width=40.6;

letter_size = 50;
letter_height = 5;

module letter(l) {
  translate([0,0,-letter_height / 2])
  {
    linear_extrude(height = letter_height, convexity = 10) {

        text(l, size = letter_size, font = font,, $fn = 2, spacing=1);
    }
  }
}

module textOnMagnet(str)
{
    letter(str);
}

module base(str)
{
    minkowski()
    {
        textOnMagnet(str);

        intersection()
        {
            sphere(d=letter_size/2,$fn=16);
            scale(500)
            translate([-.5,-.5,0])
            cube(1);
        }
    }
}

scale(.25)
difference()
{

    for(i=[0:1:len(str)-1])
    {
        translate([i*width,0,0])
        base(str[i]);
    }

    color("red")
    for(i=[0:1:len(str)-1])
    {
        translate([0,0,-letter_height/2+.2+1])
        translate([i*width,0,0])
        scale([1,1,100])
        translate([0,0,letter_height/2])
        textOnMagnet(str[i]);
    }
}

```
PhraseMagnet.scad:
```
str="Text";
font = "Liberation Mono";
width=40.6;

letter_size = 50;
letter_height = 5;

module letter(l) {
  translate([0,0,-letter_height / 2])
  {
    linear_extrude(height = letter_height, convexity = 10) {

        text(l, size = letter_size, font = font,, $fn = 2, spacing=1);
    }
  }
}

module textOnMagnet(str)
{
    letter(str);
}

module base(str)
{
    minkowski()
    {
        textOnMagnet(str);

        intersection()
        {
            sphere(d=letter_size/2,$fn=16);
            scale(500)
            translate([-.5,-.5,0])
            cube(1);
        }
    }
}

scale(.25)
difference()
{

    for(i=[0:1:len(str)-1])
    {
        translate([i*width,0,0])
        base(str[i]);
    }

    color("red")
    for(i=[0:1:len(str)-1])
    {
        translate([0,0,-letter_height/2+.2+1])
        translate([i*width,0,0])
        scale([1,1,100])
        translate([0,0,letter_height/2])
        textOnMagnet(str[i]);
    }
}

```


[User]
I'm working on a design for a printable flat spring, and I'd like some help creating a parametric OpenSCAD file for it.

The spring is made up of a series of connected loops. Essentially, it's a bunch of "U" shapes linked together, but it needs to be printable in plastic. Each layer of the spring should be made out of continuous strands to make it strong. It's made out of a repeated set of nested semicircles that have been squared off into "U" shapes. Each loop needs to have two radii: an inner radius of 5mm and an outer radius of 7mm. I'd like the ability to change the number of loop pairs; maybe start with 5 for now, but I want to be able to adjust that later.

The overall width of the spring should be 30mm, and it should have a height of 7mm when extruded. When printing, the shell width should be set to at least half the difference between the outer and inner radius to ensure the spring is printed entirely as shells, which is important for its functionality.

I've had issues with previous designs breaking, so the focus here is on durability. I've tested printing with ABS and PETG, and they both seem to work well.

Could you help me create a parametric OpenSCAD file for this flat spring design? It would be great to have parameters for the inner and outer radii, the number of loops, the overall width, and the height. I would like to use the BOSL2 library to handle circles. Also, ensure that the number of segments in the curves can be parameterized using `$fn=20`.

[Assistant]
FlatSpring.scad:
```

// Inner radius of the loops
innerRadius = 5;

// Outer radius of the loops
outerRadius = 7;

// Width of the entire spring
width=30;

// Number of loop pairs
loops=5;

// Height of the spring
height=7;

// Number of segments in curves
$fn=20;

linear_extrude(height)
difference()
{
    union()
    {
        for(i=[0:loops])
        {
            translate([i*(outerRadius-(outerRadius-innerRadius)/2)*2,0,0])
            {
                square([outerRadius,width-outerRadius*2],center=true);
                translate([0,width/2-outerRadius,0])
                    circle(d=outerRadius);
                translate([outerRadius-(outerRadius-innerRadius)/2,-(width/2-outerRadius),0])
                    circle(d=outerRadius);
            }
        }
    }
    union()
    {
        for(i=[0:loops])
        {
            translate([i*(outerRadius-(outerRadius-innerRadius)/2)*2,0,0])
            {
                square([innerRadius,width-outerRadius*2],center=true);
                translate([0,width/2-outerRadius,0])
                    circle(d=innerRadius);
                translate([outerRadius-(outerRadius-innerRadius)/2,-(width/2-outerRadius),0])
                    circle(d=innerRadius);
                translate([outerRadius-(outerRadius-innerRadius)/2,0,0])
                    square([innerRadius,width-outerRadius*2],center=true);
            }
        }
        translate([loops*(outerRadius-(outerRadius-innerRadius)/2)*2,0,0])
        {
            translate([outerRadius,0,0])
                square([outerRadius,width],center=true);
            translate([outerRadius-(outerRadius-innerRadius)/2,-width+outerRadius,0])
                square([outerRadius,width],center=true);
        }
    }
}
```


[User]
I'm looking for a parametric OpenSCAD design for a customizable handle and sheath for a knife or other tool that's made from a hacksaw blade.

For the handle, I need to be able to adjust:

*   **Blade inner length:** This is the length of the visible part of the blade, excluding the tip. I want to subtract the tool tip length (maybe 20-25 mm for a carving knife) from the overall blade length.
*   **Handle length:** I'm thinking 150 mm is a good starting point, but I want to be able to change this.
*   **Blade width:** The width of the hacksaw blade.
*   **Blade thickness:** The thickness of the blade.
*   **Blade hole diameter:**  The diameter of the hole in the blade for the retaining pin.
*   **Blade teeth thickness** The thickness of the teeth.
*   **Blade teeth width** The width of the teeth.
*   **Handle width:** I want this to be at least 6 mm wider than the blade width.
*   **Handle height:** A comfortable height for the handle.
*   **Scale width:** I want the handle width to scale down towards the end, so I'll need a parameter to control that scaling factor.
*   **Scale height:** Same as above, but for the handle's height.
*   **Grip offset:** I want a slight recess at the base of the handle.
*   **Facet radius:** Radius of curvature for the corners of the handle.
*   **Slot angle:** The angle of the slot that holds the blade.
*   **Pin cap diameter:** The diameter of the cap on the retaining pin.
*   **Tolerance:** The tolerance for fitting parts together.

The handle should have a rounded rectangular shape with an angled slot for the blade. The width and height should scale down toward the end of the handle. It should also have a recess at the very bottom for an optional grip. There should be a hole through the handle and blade for a retaining pin, with a cap on the pin to hold it in place. Also, there should be a slide to lock the blade in place in the handle.

For the sheath, I need parameters for:

*   **Thickness:** The thickness of the blade.
*   **Length:** The length of the blade.
*   **Width:** The width of the blade (add about 2 mm to the actual width).
*   **Wall:** The thickness of the sheath walls.
*   **Pressure height:** The amount the sheath wall will be pushed out when the blade is inserted.

The sheath should be a simple, hollow shape that fits the blade snugly. It should have some pressure bars on the inside to hold the blade in place. The sheath should also have some ridges on the outside for grip. The sheath should not require support material when printing. The handle, on the other hand, should.

I'd like the OpenSCAD files to be fully parametric so I can easily adjust all these dimensions. Please use the MCAD library.

[Assistant]
handle.scad:
```
/* [Basic parameters] */

// Blade piece length minus blade tip (the visible part)
blade_inner_length = 107;
handle_length = 150;

/* [Extended parameters] */

blade_width = 12;
blade_thickness = 0.5;
blade_hole_diameter = 4;
blade_teeth_thickness = 1;
blade_teeth_width = 2;

// Make at least 6 mm more than Blade Width
handle_width = 18;
handle_height = 10;
// Scale width down to the end of the handle
scale_width = 0.75;
// Scale height down to the end
scale_height = 0.6;
grip_offset = 6;
facet_radius = 4;
slot_angle = 30;

pin_cap_diameter = 7;

tolerance = 0.2;

/* [Hidden] */

// Calculate some values

pin_height = handle_height*((1 - scale_height)*(handle_length-blade_inner_length+blade_width/2)/(handle_length-grip_offset)+scale_height);

$fn = 32;

module handle_shape()
{
    translate([-handle_width/2+facet_radius,-handle_height/2+facet_radius,0]) {
        minkowski() {
            square([handle_width-facet_radius*2,handle_height-facet_radius*2]);
            circle(r=facet_radius);
        }
    }
}

module slot_shape(tol=tolerance)
{
    translate([-blade_width/2,0,0])
    polygon(points=[[tol,blade_thickness/2],
            [blade_width-tol,blade_thickness/2],
            [blade_width-tol-((handle_height-blade_thickness)/2)*tan(slot_angle), handle_height/2],
            [((handle_height-blade_thickness)/2)*tan(slot_angle)+tol,handle_height/2]]);
}

module body()
{
            translate([0,0,grip_offset]) {
                linear_extrude(height=handle_length-grip_offset, scale=[scale_width,scale_height])
                    handle_shape();
                rotate([180,0,0])
                    linear_extrude(height=grip_offset, scale=[scale_width,scale_height])
                        handle_shape();
            }
}

module pin(hole=false, tol=tolerance)
{
    translate([0,0,blade_inner_length-blade_width/2]) {
        rotate([-90,0,0]) {
            cap_height = pin_height/2-(blade_thickness/2+1);

            cylinder(h=(hole ? handle_height+2 : pin_height), r=blade_hole_diameter/2-tol, center=true);

            translate([0,0,blade_thickness/2+1])
            cylinder(h=(hole ? handle_height/2 : cap_height), r=pin_cap_diameter/2-tol);
        }
    }
}

module blade(tol=tolerance)
{
    translate([0,0,blade_inner_length/2-8.5])
        cube([blade_width+tol*2,blade_thickness,blade_inner_length+16], center=true);
    translate([(blade_width-blade_teeth_width)/2+tol,0,blade_inner_length/2-8.5])
        cube([blade_teeth_width+tol,blade_teeth_thickness,blade_inner_length+16], center=true);
}

module body_with_blade()
{
    difference() {
        body();

        blade(tol=tolerance);
        pin(hole=true, tol=0);
    }
}

module slot_cutout()
{
    translate([0,0,-1])
        linear_extrude(height=handle_length+2)
            slot_shape(0);
}

module slide_cutout()
{
    difference() {
        translate([0,0,handle_length/2+0.5])
            cube([handle_width,handle_height,handle_length+2], center=true);

        translate([0,0,-1])
            linear_extrude(height=handle_length+2)
                slot_shape(tolerance);
    }
}

module body_with_slot()
{
    difference() {
        body_with_blade();
        slot_cutout();
    }
}

module slide()
{
    difference() {
        body_with_blade();
        slide_cutout();
    }
}

module show()
{
    body_with_slot();
    slide();
    #blade(tol=0);
    pin(hole=false, tol=tolerance);
}

module print()
{
    translate([handle_width/2+2,-grip_offset,0])
        rotate([atan((1-scale_height)*handle_height/2/(handle_length-grip_offset)),0,0])
            translate([0,grip_offset,0])
                rotate([90,0,0])
                    translate([0, handle_height/2, 0])
                        body_with_slot();

    translate([-handle_width/2-2,0,0])
        rotate([90,0,0])
            translate([0, -blade_thickness/2, 0])
                slide();

    translate([handle_width*3/2+4,-handle_length/2,pin_height/2])
        rotate([-90,0,0])
            translate([0,0,-(blade_inner_length-blade_width/2)])
                pin(hole=false, tol=tolerance);
}

//show();
print();

```
sheath.scad:
```
// Blade size
thickness = 0.5;
length = 32;
width = 14; // Set 2 mm wider than actual width

// Wall thickness
wall = 1;

// Inserting the blade into the sheeth will push
// the wall out by this amount.
pressure_height = 0.2;

$fn=32;

room = 0.3;

module blade_hole()
{
    // Radius of the pressure bars
    pressure_r = 1;

    union() {
        difference() {
            cube([width, thickness+room*2, length-(thickness+room*2)/sqrt(2)/2]);

            translate([width*5/16, -(pressure_r-room-pressure_height), 0])
                cylinder(r=pressure_r, h=length-width/3+1);
            translate([width*11/16, -(pressure_r-room-pressure_height), 0])
                cylinder(r=pressure_r, h=length-width/3+1);

            translate([width/2, room+thickness-pressure_height+pressure_r, 0])
                cylinder(r=pressure_r, h=length-width/3+1);

        }
        translate([0, 0, length-(thickness+room*2)/sqrt(2)/2])
            rotate([-45, 0, 0])
                cube([width, (thickness+room*2)/sqrt(2), (thickness+room*2)/sqrt(2)]);
        rotate([-45, 0, 0])
            cube([width, (thickness+room*2)/sqrt(2), (thickness+room*2)/sqrt(2)]);
    }
}

module sheath()
{
    off = wall+room+thickness/2;
    difference()
    {
        union() {
            translate([off, 0, 0])
            cube([width, 2*off, length+wall]);
            translate([off, 0, 0])
                grip();
            translate([off, 2*off, 0])
                grip();

            translate([off, off, 0])
                cylinder(r=off, h=length+wall);
            translate([width+off, wall+room+thickness/2, 0])
                cylinder(r=off, h=length+wall);
        }

        translate([off, wall, 0])
            blade_hole();
    }

}

module grip()
{
    for(i = [3:3:length+wall-6]) {
        translate([0, 0, i])
            rotate([0, 90, 0])
                cylinder(r=0.3, h=width);
    }
}

sheath();
//blade_hole();

```


[User]
I need a parametric OpenSCAD design for an open-wire spacer, which is used to maintain a consistent separation between two parallel wires in an open-wire transmission line. This is important for maintaining the characteristic impedance of the transmission line.

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

*   **Overall Shape:** The spacer should be a generally rectangular shape that connects the two wires, with rounded corners to be more aerodynamic, I guess.
*   **Wire Channels:** There should be two channels, one for each wire, running along the length of the spacer. These channels should be cylindrical, sized appropriately to securely hold the wires. The channels should pass through the center of the rectangular shape and extend past it on each side, forming rounded grooves on the top and bottom.
*   **Dimensions:**
    *   The spacing between the centers of the two wire channels should be customizable, but I'd like to have presets for 120mm (which I think corresponds to 600 Ohm impedance for a 1.75mm conductor) and 40mm (which is 450 Ohm for a 1.75mm conductor).
    *   The diameter of the wire channels should be adjustable to accommodate different wire gauges. I need it to work with wires ranging from 2mm to 6mm in diameter, with my specific wire being 2.7mm. I've found that on my printer a 3.0mm diameter hole works well for my 2.7mm wire, so that should probably be the default.
    *   The overall length of the spacer (along the direction of the wires) should be about 10mm, but it doesn't need to be customizable.
    *   The width of the spacer (perpendicular to the wires and to the spacing direction) should be about 9mm, also not customizable.
    *   The height of the spacer (perpendicular to the wires and to the width) should be around 3mm, plus the wire diameter, also not customizable.
    *   The rounded corners of the rectangular shape should have a radius of about 3mm.
*   **Mounting:** I don't need any specific mounting holes or features; the wires will just be held in place by the friction fit within the channels.

**Customizer Parameters:**

I need the following parameters to be customizable in the OpenSCAD Customizer:

1. `spacing`: The distance between the centers of the wire channels (in mm). Range: 30-200, default: 120.
2. `wire`: The diameter of the wire (in mm). Range: 2-6, default: 3.

**Additional Notes:**

*   I plan to use these spacers about every 30cm along my transmission line.
*   I'd like the design to be relatively simple and easy to print without supports.

The final design should use the MCAD library for the `roundedRect` module.

[Assistant]
Open-Wire-Spacer.scad:
```
// Customizer Foot Designer Open_Wire-Spacer
//
// REV 1.0 29/09/2016

// Standard Thingiverse Configurations:
// Range = [:] Slider
// Range = [,] Drop Down Box
// Range = None Text Box

// Start Parameters for for Customizer ----
// preview[view:south, tilt:top]

// between Wires (mm)
spacing = 120; //[30:5:200]

// Diameter (mm)
wire = 3.0; //[2:0.1:6]

difference(){
union() {
  cube([spacing-10,9,3], center=true);
  translate ([-spacing/2,0,-1.5])
    roundedRect([10, 10, 3], 3, $fn=32, center=true);
  translate ([spacing/2,0,-1.5])
    roundedRect([10, 10, 3], 3, $fn=32, center=true);
  translate ([0,(2+wire/2)/2,1+wire/2])
    rotate([90,0,0])
      roundedRect([spacing+10, 1+wire, 2+wire/2], 3, $fn=32, center=true);
}
union() {
  translate ([-spacing/2,0,0.5+wire/2])
    rotate([90,0,0])
      cylinder(20,d=wire,center=true, $fn=32);
  translate ([spacing/2,0,0.5+wire/2])
    rotate([90,0,0])
      cylinder(20,d=wire,center=true, $fn=32);
  translate ([-spacing/2-3,0,0])
    cube([12,3+wire/2,3+wire], center=true);
  translate ([spacing/2+3,0,0])
    cube([12,3.5+wire/2,3+wire], center=true);
}
}
// size - [x,y,z]
// radius - radius of corners
module roundedRect(size, radius)
{
	x = size[0];
	y = size[1];
	z = size[2];

	linear_extrude(height=z)
	hull()
	{
		// place 4 circles in the corners, with the given radius
		translate([(-x/2)+(radius/2), (-y/2)+(radius/2), 0])
		circle(r=radius);

		translate([(x/2)-(radius/2), (-y/2)+(radius/2), 0])
		circle(r=radius);

		translate([(-x/2)+(radius/2), (y/2)-(radius/2), 0])
		circle(r=radius);

		translate([(x/2)-(radius/2), (y/2)-(radius/2), 0])
		circle(r=radius);
	}
}
```


[User]
Hey, I'm looking to get a custom LED strip wall mount designed in OpenSCAD. I've got a pretty good idea of what I want, but I need help making it parametric. The basic idea is a rail that the LED strip sits in, and it gets attached to the wall with push pins.

So, here's what I'm thinking.

For the rail itself, I'll need a few parameters:
*   `thickness`: The thickness of the plastic used to print it. I'm thinking something small, like 0.0625 inches to start.
*   `strip_height`: This is the height of the LED strip itself. Lets use 0.4 inches as an example.
*   `length`: How long should the mount be? 3 inches maybe?

The mount should have a channel for the LED strip to sit in, and I want it to cradle the strip securely. A nice U-shaped channel I think, with a small base to rest on.

Next are the push pin mounts.  I need:
*   `pin_width`: The pointy end of a push pin, we'll go with .0625 inches.
*   `pin_outer_width`: The wide, flat part of the push pin, and I was thinking .375 inches to start.
*   `num_of_pins`: The total number of push pins, let's allow for 1, 2, or 3.

I want the push pin holes to fit the push pins snugly and to be centered on the base of the mount. If there are two pins, I want them evenly spaced from the middle, and if there are three, there should be one centered and one on each side, equally spaced.

It would be good to have a `fillets` boolean option for all the edges for nicer prints. On by default though I'm thinking.

Lastly, I need to be able to change my units.  So I need the following parameters:
*   `units_entered`: this is what units I am entering my other values in, for example if I set this to 25.4 all my other lengths will be in inches.
*   `desired_units_for_output`: this is the units I want OpenSCAD to use, for example if I set this to 1 then I will get millimeters.

I'm also gonna need the standard MCAD library to handle the fillets, or any other library that would be helpful.

So, to recap, I need a parametric OpenSCAD file or files to create an LED strip mount with push pin holes, taking into account the given parameters.  Can you help me out?

[Assistant]
led_strip_push_pin_wall_mount.scad:
```
//BEGIN CUSTOMIZER VARIABLES
/* [Slot] */

//thickness
thickness = .0625;

//strip_height
strip_height = .4;

//length
length = 3;

/* [Push Pin] */

//pin_width, the pointy end
pin_width = .0625;

//pin_outer_width, need to name better
pin_outer_width = .375;

//num_of_pins
num_of_pins = 2;//[1:3]

/* [Advanced] */
//if you don't want fillets turn this off
fillets = true;

/* [Unit adjustment] */
//Basically are you using american units or real units
units_entered = 25.4;//[1:mm, 10:cm, 1000:meter, 25.4:inch, 304.8:foot]

//default is mm for most printers
desired_units_for_output = 1;//[1:mm, .1:cm, 0.001:meter, 0.0393701:inch, 0.00328084:foot]

//END CUSTOMIZER VARIABLES

unit_conversion_factor = units_entered*desired_units_for_output;

module rail(){
	difference(){
		cube([thickness*3,length,strip_height+thickness*2]);
		translate([thickness*1.5,-.005,thickness*1.5]){
			rotate([-90,0,0]){
				linear_extrude(length+.01)
				{
					hull(){
						circle(thickness/2,$fn=42);
						translate([0,-strip_height+thickness]){
							circle(thickness/2,$fn=42);
						}
					}
					translate([thickness*.5,thickness*1.5-strip_height]){
						square([thickness+.01,strip_height-thickness*2]);
					}
				}
			}
		}
	}
}

module push_pin_spot(){
	translate([0,0,(pin_outer_width+thickness*2)/2]){
		rotate([0,90,0]){
			difference(){
				linear_extrude(thickness*2){
					translate([(pin_outer_width+thickness*2)/4,0]){
						square([(pin_outer_width+thickness*2)/2,pin_outer_width+thickness*2],center=true);
					}
					circle((pin_outer_width+thickness*2)/2,$fn=42);
				}
				translate([0,0,thickness+0.005]){
					linear_extrude(thickness+.01){
						circle(pin_outer_width/2,$fn=42);
					}
				}
				translate([0,0,-0.005]){
					linear_extrude(thickness*2+.01){
						circle(pin_width/2,$fn=42);
					}
				}
			}
		}
	}
}

scale(unit_conversion_factor){
	rotate([90,-90,0]){//for display purposes
		translate([0,-length/2,0]){
			rail();
		}
		if(num_of_pins%2==1){
			translate([0,0,strip_height+thickness*2]){
				push_pin_spot();
			}
			if(num_of_pins==3){
				translate([0,-length/2+pin_outer_width-thickness*2,strip_height+thickness*2]){
					push_pin_spot();
				}
				translate([0,length/2-pin_outer_width+thickness*2,strip_height+thickness*2]){
					push_pin_spot();
				}
			}
		}
		else{
			translate([0,-length/4,strip_height+thickness*2]){
				push_pin_spot();
			}
			translate([0,length/4,strip_height+thickness*2]){
				push_pin_spot();
			}
		}
	}
}

```


[User]
I need a custom battery spacer designed for 18650 batteries, primarily to eliminate rattling in flashlight housings. I'm working off of a design concept I found on Thingiverse (thing:1801936) but I need to be able to customize the dimensions for different flashlights.

Here’s what I envision:

*   **Basic Shape:** The spacer should be cylindrical with a thin wall, sort of like a hollow tube, and a slightly thicker base to act as a rim. It should have fins on the outer wall for a snug fit inside the flashlight body and to reduce movement.
*   **Customizable Dimensions:**
    *   `length`: The overall length of the spacer.
    *   `outer_diameter`: The outer diameter of the spacer, including the fins.
    *   `inner_diameter`: The inner diameter of the spacer, should be designed to fit an 18650 battery snugly.
    *  `wall`: The thickness of the main cylindrical wall. Should be relatively thin for a bit of spring.
    *   `spring_diameter`: The diameter of the base's inner hole, designed to seat the spring contact in the flashlight.
    *   `fins`: The number of fins around the outer diameter.
    *   `fin_width`: The width of each fin, that is, how far they extend from the jacket.
    *   `twist`: An optional twist angle along the length. This is mostly aesthetic, not critical.
    *   `base`: The thickness of the base rim.

*   **Functionality:** The rim on the base will increase adhesion inside of the flashlight housing. The fins will grip the internal sides of the flashlight, holding the spacer securely in place.

I'd like the design to be easily adjustable using the above parameters. I need it to be generated as an OpenSCAD file (or set of files, if more modular) so that I can modify and generate the models myself. I want to be able to use it with a range of different 18650 flashlights, hence all the customisation.

[Assistant]
insert.scad:
```
/*
Battery spacer, http://www.thingiverse.com/thing:1801936
v0.01   2016oct01, ls (http://www.thingiverse.com/Bushmills)
		initial version
v0.02   2016oct01, ls   added twist, some factoring.
v0.03   2016oct02, ls   fixed fin positions on jacket, made thickness of base with rim customisable
v0.04   2016oct02, ls   fin position calculation compacted and simplified
v0.05   2016oct03, ls   simplified punching intersected parts (dropped "difference()"
*/

// ******************************
// *** customisable variables ***
// ******************************

length = 66;			// [10:200]

// jacket+fins
outer_diameter = 27;		// [11:0.1:32]

// jacket-fins
inner_diameter = 18.6;		// [10:0.1:30]

// keep thin for springiness
wall = 0.8;			// [0.4:0.1:5]

// - resulting bottom rim increases adhesion
spring_diameter = 10;		// [2:0.1:20]

fins = 3;			// [3:12]

// should probably be thicker than wall
fin_width = 1;			// [0.4:0.1:3]

// not sure whether this is useful - it may contribute to an interesting look, though.
twist = 60;

// thickness of rim layer. Shortens battery recess depth.
base = 0.9;			// [0:0.1:2]

// *************************
// *** derived variables ***
// *************************

outer_radius = outer_diameter/2;
inner_radius = inner_diameter/2;
jacket_radius = (inner_radius+outer_radius)/2;
spring_radius = spring_diameter/2;
rim = jacket_radius-spring_radius;
fins_angle = 360/fins;
little = 0+0.01;
$fn = 0+90;

// *****************
// *** factoring ***
// *****************

module ring(radius, wall)  {
	difference()  {
		circle(radius+wall/2);
		circle(radius-wall/2);
	}
}

// ****************
// *** the beef ***
// ****************

linear_extrude(base)
ring(jacket_radius-rim/2, rim);							// first layer: rim, hole for spring
linear_extrude(length, twist=twist)  {
	ring(jacket_radius, wall);						// jacket
	intersection()  {
		ring(jacket_radius, outer_radius-inner_radius);
		for (angle=[little:fins_angle:360], orientation=[0, 1])  {
			rotate([0, 0, angle+orientation*fins_angle/2])
			translate([jacket_radius*(orientation+0.5), 0])
			square([jacket_radius, fin_width], center=true);	// fins
		}
	}
}

```


[User]
Hi! I'm looking for an OpenSCAD design for a customizable glass bed clip for a 3D printer. I've got a good idea of what I need, but I'm struggling to write the code myself.

Basically, I need a clip that can be mounted over the existing nuts on the printer's build plate, using another nut to secure it from underneath. The clip will hold a glass plate in place, with tabs that press against the glass but do not extend over the top of it. The tabs should have adjustable length and thickness so that the glass can be centered and held firmly, but without being clipped. The clip itself is not rectangular, there is a "front" and a "back", and a "left" and a "right", and the lengths of each of these can vary to accommodate different printer setups. I need to be able to adjust almost everything about the clip.

Here's a breakdown of the parameters I need:

*   **`doOppositeCorners`**: A boolean (0 or 1) that toggles the clip between being for the front-left/back-right corners and front-right/back-left corners. This is because I want to use two unique sets of dimensions for the clip. When set to 0, the base and wall dimensions named `Back` and `Right` are used. When set to 1, the `Back` and `Right` dimensions are swapped to produce a mirror image for the opposite corner.

*   **`baseThickness`**: The thickness of the base of the clip, where it rests on the build plate (in millimeters).

*   **`wallThickness`**: The thickness of the walls of the clip (in millimeters).

*   **`plateThickness`**: The thickness of the build plate without the glass (in millimeters). This is used to calculate the wall height.

*   **`glassThickness`**: The thickness of the glass plate (in millimeters). This is used to calculate the tab height.

*   **`baseBack`**: The length of the base along the "back" side (X-axis) of the clip (in millimeters).

*   **`baseRight`**: The length of the base along the "right" side (Y-axis) of the clip (in millimeters).

*   **`wallBack`**: The length of the wall along the "back" side of the clip (in millimeters). This might be less than the base length if you want an open corner.

*   **`wallRight`**: The length of the wall along the "right" side of the clip (in millimeters). This might be less than the base length if you want an open corner.

*   **`tabBackLength`**: The length of the tab along the "back" side (X-axis) of the clip (in millimeters).

*   **`tabRightLength`**: The length of the tab along the "right" side (Y-axis) of the clip (in millimeters).

*   **`tabBackThickness`**: The space between the edge of the glass and the wall of the clip along the "back" side (in millimeters). This is technically the extra thickness of the tab, and not the tab's position.

*   **`tabRightThickness`**: The space between the edge of the glass and the wall of the clip along the "right" side (in millimeters). This is technically the extra thickness of the tab, and not the tab's position.

*   **`slotLength`**: The length of the slot for the mounting bolt (in millimeters).

*  **`boltDiameter`**: The diameter of the bolt hole (in millimeters).

*   **`nutDiameter`**: The diameter of the nut recess in the base (in millimeters).

*   **`nutHeight`**: The depth of the nut recess in the base (in millimeters).

I need the following:

*   The clip should consist of a rectangular base with walls on two sides, plus the two tabs to hold the glass.
*   The tabs should be level with the top of the glass, or slightly below, to avoid interfering with the print head.
*   There should be a slot for an M3 bolt (which uses the specified `boltDiameter`) and room for the original nut in the printer base and a second nut underneath the clip. The slot should have two cylindrical cutouts at each end to make it easier to print and should not extend outside of the overall footprint of the clip base.

I'd also like a note in the code that ABS is recommended for the print as it will be used on a heated print bed.

I don't want any additional libraries, this is a simple shape that can be created in OpenSCAD.

Can you help me with that?

[Assistant]
glassClipBackRightFrontLeft.scad:
```
// OpenSCAD model by tselling
// based on OpenSCAD thing:726983 by markwal
// dimensions in mm

// Allows you to modify almost everything on the clip
// In general the Back Right corner and the Front Left
// corner use the same clip so just duplicate it unless
// you need something different.  I wanted my side
// walls to be shorter than the back/front walls to avoid
// hitting my custom filament spool holder on the inside
// of my Dreamer.  You can just make the back & right lengths
// the same for a square piece if you don't need a shorter
// side.

// Just change this variable for opposite corners (1 vs 0)
doOppositeCorners=0;

// (mm) thickness of the base of the clip
//   (too thick may require longer screw)
baseThickness=5;

// (mm) adjust thickness of the wall of the clip
wallThickness=4;

// (mm) thickness of build plate without glass (round up)
// This will be the wall height.
plateThickness=10;

// (mm) thickness of the glass plate (round down)
// This will be the tab height.
glassThickness=5;

// (mm) how long at the back (X-Axis)
baseBack=27;

// (mm) how long on the side (Y-Axis)
baseRight=20;

// (mm) length of back wall (shorten if you want open corner)
wallBack=27;

// (mm) length of right wall (shorten if you want open corner)
wallRight=20;

// Back tab length
tabBackLength=12;

// Right tab length
tabRightLength=9;

// (mm) space in back/front of glass plate (when centered)
tabBackThickness=1.8;

// (mm) space on the left/right side of glass plate (when centered)
tabRightThickness=2.6;

// (mm) slotLength for bolt
slotLength=12;

// (mm) width of the bolt slot
boltDiameter=3.2;

// (mm) allows you to leave  original nut attached to build
// plate and add wingnut to the bottom.
nutDiameter=7;
nutHeight=2.5;

difference() {
union() {

total_height = baseThickness+plateThickness+glassThickness;

baseX = doOppositeCorners ? baseRight : baseBack;
baseY = doOppositeCorners ? baseBack : baseRight;
wallX = doOppositeCorners ? wallRight : wallBack;
wallY = doOppositeCorners ? wallBack : wallRight;
tabX = doOppositeCorners ? tabRightLength : tabBackLength;
tabY = doOppositeCorners ? tabBackLength : tabRightLength;
tabX_thickness = doOppositeCorners ? tabRightThickness : tabBackThickness;
tabY_thickness = doOppositeCorners ? tabBackThickness : tabRightThickness;

// base
cube([baseX,baseY,baseThickness]);

// Wall on X Axis
translate([baseX-wallX,0,0])
    cube([wallX,wallThickness, total_height]);

// Tab on X Axis
translate([baseX-tabX,0,baseThickness+plateThickness])
	cube([tabX,wallThickness+tabX_thickness,glassThickness]);

// Wall on Y Axis
translate([0,baseY-wallY,0])
	cube([wallThickness,wallY,total_height]);

// Tab on Y Axis
translate([0,baseY-tabY,baseThickness+plateThickness])
	cube([wallThickness+tabY_thickness,tabY,glassThickness]);
}

    //remove the slots
    rotate([0,0,-45]) {
        translate([0,wallThickness+boltDiameter,0]){

            // bolt slot
            hull() {
                cylinder(h=baseThickness,d=boltDiameter);
                translate([0, slotLength,0])
                    cylinder(h=baseThickness,d=boltDiameter);
            }

            // nut slot
            translate([0,0, baseThickness-nutHeight]) hull() {
                cylinder(h=nutHeight,d=nutDiameter);
                translate([0, slotLength, 0])
                    cylinder(h=nutHeight,d=nutDiameter);
            }
        }
    }
}

```


[User]
I'm looking to create a customizable corner connector for shelves, kind of like a bracket. I need it to be parametric so I can adjust it to different board thicknesses. The main idea is a cube with extensions outwards for the shelves to slot into. I want to control how many of these extensions there are.

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

*   **BoardThickness:** The thickness of the shelf boards (e.g., 15mm).
*   **ThicknessSizeRatio:** A ratio determining the length of the shelf extensions, relative to the `BoardThickness`.
*   **CornerThickness:** The thickness of the cube corner itself.
*   **PrinterXYErrorMargin:** A small margin to compensate for printer imprecision, probably added to the `BoardThickness` internally.
*  **CornerNumber:** The number of shelf extensions coming out of the corner piece (between 0 and 4).
*   **DecorationPattern:** Type of decorative pattern to add (None, Lines, Grid, or Hex).
*   **DecorationThickness:** Thickness of the decoration elements.
*   **DecorationSpacing:** Spacing between decoration elements.
*   **DecorationOffsetX, DecorationOffsetY:** Offsets for the decoration pattern.
*   **DecorationRotation:** Rotation of the decoration pattern.
*   **DecorationSize:** Size of the decorative element (lines, grids, etc).
*   **BackText:**  Text to be embossed on the back of the connector.
*   **BackTextSize:** Size of the back text.
*   **BackTextOffsetX, BackTextOffsetY:** Offset of the back text.

The core design should be a cube with the appropriate dimensions plus the `PrinterXYErrorMargin`, and then a number of shelf extensions attached to it, each with a slot cut out for the board to slide into. The extensions should be at 90-degree angles, and their number should be controlled by the `CornerNumber` parameter. I would like it if setting `CornerNumber` to 0 will result in a connector with 3 exits (all but the one directly opposite the back text). When `CornerNumber` is above 4, I want there to only be 4 exits.

I’d like the decoration pattern to be subtracted from the corner. If the pattern is a grid or line pattern, I would like the decoration to be inside of the corner piece. If the pattern is hex, I want it to be outside of the corner.

For the text, I'd like it on the back of the connector, extruded and facing outwards, so it's embossed.

Could you please create this as a parametric OpenSCAD file? I don't think I'll need any special libraries for this.

[Assistant]
Shelf.scad:
```
BoardThickness = 15;
// Ratio between the board thickness and the corner
ThicknessSizeRatio = 2;
CornerThickness = 1.25;
PrinterXYErrorMargin = 0.4;
// "0" to 180º
CornerNumber = 4;

DecorationPattern = "Grid"; // [None, Lines, Grid]
DecorationThickness = 0.3;
DecorationSpacing = 1.68;
DecorationOffsetX = 0.75;
DecorationOffsetY = 0.85;
DecorationRotation = 0;
DecorationSize = 0.2;

BackText = "RE";
BackTextSize = 9;
BackTextOffsetX = -1;
BackTextOffsetY = 0;

/* [HIDDEN] */
decSize = DecorationSize>0.5?0.5:DecorationSize;
/* Do Stuff */

if(DecorationPattern == "Hex"){
    difference(){
        CuboCorner(CornerNumber);
        translate([0,DecorationSize])
            decoration();
    }
}else{
    CuboCorner(CornerNumber);
    if(DecorationPattern == "Lines" || DecorationPattern == "Grid"){
        translate([0,-decSize,0]) intersection(){
            CuboCorner(CornerNumber);
            decoration();
        }
    }
}
module CuboCorner(ExitsNumber){
    bt = BoardThickness+PrinterXYErrorMargin;

    translate([-bt/2-CornerThickness,0,-bt/2-CornerThickness])
        cube([bt+CornerThickness,bt,bt+CornerThickness*2]);
    if(len(BackText)>0) textStuff();

    qtd = (ExitsNumber == 0 ? 3 : (ExitsNumber > 4 ? 4 : ExitsNumber));
    angle = 90;
    for(e=[0:qtd-1]){
        if(!(e == 1 && ExitsNumber == 0)){
            rotate(a=[0,angle*e,0]) translate([bt/2,0,-bt/2-CornerThickness])
            difference(){
                cube([bt*ThicknessSizeRatio,bt,bt+CornerThickness*2]);
                translate([CornerThickness,CornerThickness,CornerThickness])
                    cube([bt*ThicknessSizeRatio,bt,bt]);
            }
        }
    }
}
module textStuff(){
    translate([(len(BackText)*BackTextSize/2)-1-BackTextOffsetX,
               BoardThickness-0.2,
               BackTextOffsetY-BackTextSize/2]){
        rotate(a=[90,0,180]) linear_extrude(height=1)
            text(BackText,size=BackTextSize);
    }
}
module decoration(){
    size = (floor(BoardThickness*(ThicknessSizeRatio+3)));
    translate([DecorationOffsetX,0,DecorationOffsetY]) rotate(a=[0,DecorationRotation]){
        if(DecorationPattern == "Lines" || DecorationPattern == "Grid"){
            decorationLines(size);
        }
        if(DecorationPattern == "Grid"){
            rotate(a=[0,90]) decorationLines(size);
        }
        if(DecorationPattern == "Hex"){
            step = DecorationSpacing;
            size = (floor(BoardThickness*(ThicknessSizeRatio+3)));
            interactions = size/step;
            rotate(a=[90,0]){
                for(y=[-interactions/2:interactions/2+1]){
                    for(x=[-1-interactions/2:interactions/2+1]){
                        add = (floor(y)%2==0) ? 0 : step/2;
                        yPos = y*(step-0.3);
                        xPos = x*step+add;
                        if((xPos < BoardThickness && xPos > -BoardThickness) ||
                           (yPos < BoardThickness && yPos > -BoardThickness)){
                            translate([yPos,xPos]) // trocado pois rotaciona
                                cylinder(d=DecorationSpacing*1.1-DecorationThickness,h=0.5,$fn=6);
                        }
                    }
                }
            }
        }
    }
}
module decorationLines(size){
    step = (DecorationThickness+DecorationSpacing);
    for(i=[-1:size/step+1]){
        translate([0,0,i*step-size/2])
            cube([size*1.2,1,DecorationThickness],center=true);
    }
}

```


[User]
Hey there, I'm looking to have an OpenSCAD file made that will let me generate tapered adapters for dust collection. I often need to connect different power tools to my shop vac, and the ports and hoses don't always match up.

The basic shape I need is a hollow frustum, like a cone with the top chopped off. I'd like to be able to specify the following parameters:

*   `nozzle`: This is the printer nozzle diameter, for setting tolerances. Should default to 0.3.
*   `tap_height`: This is the height of the tapered section.
*   `bot_in_dia`: The inner diameter of the wider end of the taper.
*   `top_in_dia`: The inner diameter of the narrower end of the taper.
*   `bot_out_dia`: The outer diameter of the wider end of the taper.
*   `top_out_dia`: The outer diameter of the narrower end of the taper.
*   `is_flange`: A boolean (1 or 0) to enable a flange at the wider end. Should default to 1.
*   `flange_dia`: The diameter of the flange.
*   `flange_height`: The thickness of the flange.
* `quality`: A value that specifies the circle quality, for example, 360, should default to 360.

The adapter should be hollow, with a wall thickness defined by the difference between the inner and outer diameters. If the flange is enabled, it should be a flat disc, centered at the base of the taper.

I think this can be done in a single `.scad` file, and I'd like to use the $fn parameter for all of the circle generations, not fragments for the cylinders.  Let me know if you have any questions!

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

//Printer nozzle diameter (choose 0.3 if unknown)
nozzle = 0.3;

//Taper height
tap_height=35;

//Bottom inner diameter
bot_in_dia = 23;

//Top inner diameter
top_in_dia = 21;

// Bottom outer diameter
bot_out_dia = 32.5;

//Top outer diameter
top_out_dia = 29;

//Do you want a flange?
is_flange = 1; //[1:Yes, 0:No]

//Flange diameter
flange_dia = 37;

//Flange height
flange_height = 5;

// Quality
quality = 360;

difference(){
	union() {
		cylinder(d=bot_out_dia, d2=top_out_dia, h=tap_height,$fn=quality);
        if (is_flange==1){
            translate([0,0,-flange_height]) cylinder(d=flange_dia,h=flange_height, $fn=quality);
        }
	}
    if (is_flange==1){
	translate([0,0,-flange_height]) cylinder(d=bot_in_dia+nozzle, d2=top_in_dia+nozzle, h=tap_height+flange_height+0.01, $fn=quality);
    } else {
	translate([0,0,-0.01]) cylinder(d=bot_in_dia+nozzle, d2=top_in_dia+nozzle, h=tap_height+0.01, $fn=quality);
    }
}

```


[User]
Hey, I'm looking to get a custom pen needle holder designed for BD Ultra-Fine pen needles. I've got some dimensions for the needles themselves and the holder I want, and I want to be able to adjust the number of rows and columns. I'd like this to be done in OpenSCAD, and I'm hoping you can create a parametric design.

Here are the basic dimensions I'm working with for the needles, including a small fudge factor to ensure a good fit:

*   **Rim Width:** 15.5 + wfudge
*   **Rim Height:** 1.3
*   **Base Width (bottom):** 13.7 + wfudge
*   **Base Width (top):** 13.5 + wfudge
*   **Base Height:** 10 - rim_h
*   **Cone Width (bottom):** 11.5 + wfudge
*   **Cone Width (top):** 8.25 + wfudge
*   **Cone Height:** 4.3
*   **Tip Width (bottom):** 7.35 + wfudge
*   **Tip Width (top):** 6.2 + wfudge
*   **Tip Height:** 16

Where `wfudge` is a fudge factor I'm currently setting to 0.45.

The holder itself should have a rim, a base, a cone, and the tip parts to hold the needle. I also want to add some fins at the base of the cone, for extra support. These fins should be 2mm tall and 1mm wide.

The overall design should be a case that holds an array of these individual needle holders, arranged in rows and columns, and I would like the holders to alternate between upright and upside down in a checkerboard pattern. I need to be able to specify the number of rows and columns.

For the case itself, I'd like it to be a box shape, and it should have a small buffer space around the array of needle holders, say 1mm. I would like the case to only cover the portion of the needle from the base to the top of the cone, and to leave the rim and tip portions exposed.

Can you generate an OpenSCAD file or files for me that will do this? I don't need any specific external libraries. And it's okay if the needle holders are not actually "in place" for the generated STL, as long as the geometry is correct.

[Assistant]
Pen_Needle_Holder.scad:
```
/* Created by Allon Stern
   A holder for BD Ultra-Fine™ Pen Needles.
   Please let me know of any adjustments you find that need to be made!
   Thanks.

*/

wfudge=0.45*1;        // fudge factor for outside diameters to fit original part

rim_w=15.5+wfudge;
rim_h=1.3*1;
base_wb=13.7+wfudge;
base_wt=13.5+wfudge;
base_h=10-rim_h;
cone_wb=11.5+wfudge;
cone_wt=8.25+wfudge;
cone_h=4.3*1;
tip_wb=7.35+wfudge;
tip_wt=6.2+wfudge;
tip_h=16*1;

total_h=rim_h+base_h+cone_h+tip_h;

fin_h=2*1;  // 1.25;
fin_w=1*1;  // 0.75;

Rows=3;     // [1:12]
Cols=4;     // [1:12]

$fn=50*1;

module needleunit() {
cylinder(rim_h, rim_w/2, rim_w/2);
translate([0,0,rim_h]) cylinder(base_h, base_wb/2, base_wt/2);
translate([0,0,rim_h+base_h]) cylinder(cone_h, cone_wb/2, cone_wt/2);
translate([0,0,rim_h+base_h+cone_h]) cylinder(tip_h, tip_wb/2,tip_wt/2);

translate([0,0,rim_h+base_h]) {
    intersection() {
    cylinder(cone_h, (cone_wb+fin_h)/2, (cone_wt+fin_h)/2);
    for (r=[0:3])
        rotate([0,0,45*r])
            translate([-(cone_wb/2+fin_h),-fin_w/2, 0]) cube([cone_wb+(2*fin_h),fin_w,cone_h]);
}
}
}

module every_other_flipped(rows,cols)
{
    for (r=[0:rows-1]) {
        translate([0,(tip_wb+rim_w)/2*r,0])
        for (c=[0:cols-1])
        {
            translate([(tip_wb+rim_w)/2*c,0,(total_h)*((c+r)%2)])
            rotate([0,180*((c+r)%2),0])
            needleunit();
        }
    }
}

module case(rows, cols) {
    buffer=1;

    difference() {
        translate([-(buffer+(rim_w)/2),-rim_w/2,rim_h+base_h])
            cube([(tip_wb+rim_w)/2*(cols)+tip_wb/2+(2*buffer),
                    (tip_wb+rim_w)/2*(rows)+tip_wb/2+(2*buffer),
                    cone_h+(total_h/2)-base_h-0.45]);
        every_other_flipped(rows,cols);
    }
}

case(Rows,Cols);

```


[User]
I need a parametric OpenSCAD design for a flexible scope cover. The cover should be printable in a flexible filament like Ninjaflex.

The design should consist of two main parts: a cap and a connector.

**Cap:**

*   The cap should be a cylindrical shape with a hollow interior to fit over the scope lens.
*   The exterior of the cap should have a slightly larger diameter than the interior to create a lip that will grip the scope.
*   There should be a thin, solid floor at the base of the cap's interior.
*   The top and bottom edges of the cap should have rounded rims.
*   There should be a single decorative band around the exterior of the cap.

**Connector:**

*   The connector should be a rectangular piece that attaches the cap to the scope body.
*   One end of the connector should be attached to the side of the cap.
*   The other end of the connector should be wide enough to accommodate text indicating the diameter of the scope.

**Parameters:**

The design should be fully parametric, allowing the user to adjust the following:

*   `Diameter_slider`: The diameter of the scope lens (default: 46.5mm, range: 20-100mm).
*   `Bell_Length_slider`: The length of the scope's bell housing (default: 36mm, range: 20-50mm).
*   `Resolution_slider`: The resolution of the curved surfaces (default: 50, range: 20-80).

**Additional Notes:**

*   The design should use the `rotate_extrude` and `linear_extrude` functions where appropriate.
*   The text on the connector should be centered and use the "Liberation Sans Narrow" font if available.
*   The design should be well-commented and easy to understand.
*   The design should avoid unnecessary complexity and aim for a clean, efficient implementation.

Please generate the OpenSCAD file(s) for this design, utilizing the **MCAD** library.

[Assistant]
Scope_Cover_Basic.scad:
```
// Created by Manny DelaCruz
// Copyright 2016 - All Rights Reserved
// Commercial Duplication Prohibited

Diameter_slider=46.5;  // [20:0.1:100]
Bell_Length_slider=36;  // [20:50]
Resolution_slider = 50;  // [20:80]
sh = Bell_Length_slider/2;
shf = sh*1.6;
//dia = 56.8;
            text = Diameter_slider;
            font = "Liberation Sans Narrow";

dia=Diameter_slider-0.4;

translate([100,0,0]){
    union(){
        difference(){
            //EXTERIOR
            cylinder(h=sh,r=((dia/2)+2.5),$fn=Resolution_slider);
            //INTERIOR HIDDEN - ACTUAL WIDTH
            translate([0,0,-1]){
            cylinder(h=sh+2,r=(dia/2),$fn=Resolution_slider);
            }
        }
        union(){
            //UPPER & LOWER RIM
            union(){
                rotate_extrude(convexity = 10, $fn = Resolution_slider){
                    translate([((dia/2)+1.2), 0, 0]){
                        circle(r=1.3, $fn = Resolution_slider);
                    }
                }
                translate([0,0,(sh-0.2)]){
                    rotate_extrude(convexity = 10, $fn = Resolution_slider){
                        translate([((dia/2)+1.2), 0, 0]){
                            circle(r=1.3, $fn = Resolution_slider);
                        }
                    }
                }
            }
            //OUTER BANDS
            union(){
                rotate_extrude(convexity = 10, $fn = Resolution_slider){
                    translate([((dia/2)+1.2), 0, 0]){
                        square(size=2);
                    }
                }
//                translate([0,0,(sh-2)]){
//                    rotate_extrude(convexity = 10, $fn = Resolution_slider){
//                        translate([((dia/2)+1.2), 0, 0]){
//                            square(size=2);
//                        }
//                    }
//                }
            }
        }
    }

//CAP
translate([0,0,-1.4]){
    translate([((shf*1.8)+Diameter_slider),0,1.4])
        union(){
            union(){
                difference(){
                    //EXTERIOR
                    cylinder(h=sh,r=((dia/2)+2.5),$fn=Resolution_slider);
                    //INTERIOR HIDDEN - ACTUAL WIDTH
                    cylinder(h=sh+1,r=(dia/2),$fn=Resolution_slider);
                }
                //FLOOR
                translate([0,0,-1.4]){
                    cylinder(h=2,r=((Diameter_slider/2+1)),$fn=Resolution_slider);
                }
            }
            union(){
            //UPPER & LOWER RIM
            union(){
                rotate_extrude(convexity = 10, $fn = Resolution_slider){
                    translate([((dia/2)+1.2), 0, 0]){
                        circle(r=1.3, $fn = Resolution_slider);
                    }
                }
                translate([0,0,(sh-0.2)]){
                    rotate_extrude(convexity = 10, $fn = Resolution_slider){
                        translate([((dia/2)+1.2), 0, 0]){
                            circle(r=1.3, $fn = Resolution_slider);
                        }
                    }
                }
            }
            //OUTER BANDS
            union(){
                rotate_extrude(convexity = 10, $fn = Resolution_slider){
                    translate([((dia/2)+1.2), 0, 0]){
                        square(size=2);
                    }
                }
//                translate([0,0,(sh-2)]){
//                    rotate_extrude(convexity = 10, $fn = Resolution_slider){
//                        translate([((dia/2)+1.2), 0, 0]){
//                            square(size=2);
//                        }
//                    }
//                }
            }
        }

        }
        translate([(Diameter_slider/2),(((sh/2)/2)*-1),0]){

            union(){
                cube([(shf*1.8),9,2]);
                translate([((shf*1.8)/2), 1, 0]) {
                    linear_extrude(height = 4) {
                        text(text = str(text,"mm"), font = font, size = 6, halign="center");
                    }
                }
            }
        }
    }

}

```


[User]
I'm looking to design a decorative cave torch pin, something that can replace a standard thumbtack, for my office. I'd like the design to have a separate handle and flame, which can be printed separately and then attached. The flames should use a perlin noise function to give them a natural, flickering look.

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

**Flame:**
*   I want the flame to have multiple "axes" or panels to give it a 3D look, and I need to be able to control how many of these there are (e.g., 3 panels would be a good start).
*   Each axis should have its own perlin noise seed, to allow for variations between them.
*   I want a constant base height for the flames, along with a variable height to create the flame peaks - so that I can make the flames taller and more wild if I want.
*   I want to be able to control how much the flames rotate around the center.
*   I also would like to be able to generate holes in the flames, with control over the number and random seeds for those holes, if I decide to use them.
*   Finally, I need a connector at the base of the flame that will interface with the handle. This connector should have some tolerance built in.

**Handle:**
*   The handle should have a base with a given width and length and a square top.
*   The main body of the handle should be a pyramid shape.
*  It should have a circular rim near the top and a rectangular wallplate to attach the flames to.
*   The height of the handle, and also the dimensions of the rim and wallplate should be adjustable.

**Overall:**
*   I'd like to be able to control the base width, length and height of both the flame and the handle.
*  I'd like to be able to adjust the wallplate offset from the base.

I'd also prefer that the code be well-commented.

I expect that I'll need a `perlin_flames.scad` file containing a `perlin_flames` module, which I assume will generate the flames using a 1D perlin noise function and any necessary utilities. I will also need a `torch_pin_flames_generator.scad` that utilizes this `perlin_flames.scad` file.

Let me know if you need any other information to get started. Thanks!

[Assistant]
torchpin_flames_generator.scad:
```
use <perlin_flames.scad>

/*[Flame]*/
//Number of flame axes (panels) to generate
num_axis = 3;

//Random seeds for the flames, one seed per axis is required
flame_seeds = [58344,34422,5345];

//Constant base height for each flame
flame_base_height = 3;

//Height for variation of flame peaks, higher values for more wild flames
flame_variation_height = 7;

//Amount rotation (degrees) of flame around the center of the base
flame_rotation = 10;

/*[Hidden]*/

//Width of the wallplate
wall_plate_width = 5;

//Height of the wallplate
wall_plate_length = 5;

//Z position offet for wallplate
wall_plate_z_offset = 0;

//Number of holes randomly generated in the flames
num_holes = 0;

//Needs not to be specified if no holes are used
hole_seeds = [584937,42343,34334,333];

//Height tolerance for connector to hole
flame_base_connector_height_tolerance = 0.5;

//Connector height of flame to handle
flame_base_connector_height = 3.0-flame_base_connector_height_tolerance;

//torch handle
//Handle's base width
handle_width = 10;
handle_length = handle_width;
handle_height = 25;

module pyramid(base_width, base_length, base_height, height, tip_type){
    pointed_end_type = "flat";
    pointed_end_size = 2.0;

    hull(){
        translate([base_width/-2, base_length/-2,
        height])
        cube([
        base_width, base_length, base_height
        ], 0);

        if (tip_type == "round"){
            translate([0,0,0])
            sphere(pointed_end_size);
        }
        else if (tip_type == "flat"){
            translate([
            pointed_end_size/-2,
            pointed_end_size/-2,
            0])
            cube([
            pointed_end_size,
            pointed_end_size,
            pointed_end_size],
            0);
        }
    }
}

module torch_pin_handle(){

    square_base_height = 0.2;
    wall_thickness = 0.4;       //as percent to volume of handle

    //Main pyramid
    color([102/255, 68/255, 0, 255/255])
    pyramid(handle_width, handle_length, square_base_height, handle_height-square_base_height, "flat");

    //torch handle
    pin_handle_radius = handle_width*0.4;
    pin_handle_height = 3;
    pin_handle_thickness = 3;
    pin_handle_z_pos = handle_height/1.75;

    wallplate_inset = 1.5;

    union(){
        //rim
        color("grey")
        translate([0,0,pin_handle_z_pos])
        rotate_extrude(convexity = 20, slices=1000)
        translate([pin_handle_radius-1, 0, 0])
        square([pin_handle_thickness, pin_handle_height], $fn =100);

        //handle wallplate
        color("grey")
        translate([pin_handle_radius + wallplate_inset,wall_plate_width *-0.5,pin_handle_z_pos - (wall_plate_length*0.5) + (pin_handle_height*0.5) + wall_plate_z_offset])
        cube([2,wall_plate_width,wall_plate_length]);
    }

};

module torch_pin_flames(){
    //flame base
    flame_width = 7;

    flame_base_scale = 0.85;

    flame_base_width = handle_width * 0.85;
    flame_base_length = flame_base_width;
    flame_base_thickness = 1;

    translate([0, 0, 0])
    union(){
        //base
        color("red")
        translate([flame_base_width * -0.5, flame_base_length * -0.5, 0])
        cube([flame_base_width,flame_base_length,flame_base_thickness],0);

        //flames
        rotate([0,0,flame_rotation])
        for (i = [0:1:num_axis-1]){
            step_angle = 180/num_axis;

            color("orange")
            rotate([0,0,i*step_angle])
            translate([flame_base_width * -0.5, flame_base_length * -0.5, flame_base_thickness])
            translate([0,flame_base_length * 0.5 -0.25,0])rotate([0,0,0])scale([((flame_width-3) * 0.5)/(flame_base_width*0.235),1,1])perlin_flames(flame_base_height,flame_variation_height,flame_width,num_holes,flame_seeds[i],hole_seeds[i]);
        }
    }
}

//======================================
//1d Perlin noise generator
//Credits:
//http://www.scratchapixel.com/lessons/procedural-generation-vritual-worlds/procedural-patterns-noise-part-1/creating-simple-1D-noise

//linear interpolation
function lerp(low, high, t) = low* (1-t) + (high *t);

//linearily interpolate between two randoms
function eval(r,x) = let(xMin = floor(x))lerp(
    r[xMin],
    r[xMin+1],
    x-xMin
);

//generate the perlin noise
function perlin_1d(min, max, seed, num_values) = [
    let(r = rands(min, max, num_values+5, seed))
    for( i=[0:1:(num_values-1)])eval(r,i/(num_values-1) *10)
];

//print seperately
//torch_pin_handle();
translate([0,0,0])torch_pin_flames();
```