[User]
I'm looking to create a parametric design for a 3D printer X-carriage, similar to the one I saw on Thingiverse. I've got some specific requirements and would like to be able to customize it. I'd like to use OpenSCAD to generate the design.

Here's what I need:

**General Layout & Parameters:**

*   The design needs to be able to toggle between showing an assembled view or individual components.
*   I need a `carriage_position` parameter, which should allow the carriage to move along the X-axis for visualization purposes (values 0-10).
*   There should be a distance parameter `axis_distance`, which defines the separation between the centers of the smooth rod and the lead screw rod.
*   I also need a `motor_shift` parameter to adjust the position of the motor mount.
*   There should be a boolean parameter `motor_hole_flanges` to add flanges to the motor mount holes.
*   The design needs to include a provision for rods with a `rod_diameter`.
*   There needs to be a parameter to control the `rod_distance`.
*   I need a parameter `carriage_height` for the height of the carriage.
*   There needs to be a `carriage_thickness` parameter to control the overall carriage thickness.
*   I need `belt_hole_height` and `belt_hole_width` to define the belt opening.
*   There needs to be `idler_hole_height`.
*   Finally, I need a `tensioner_bearing_diameter`.
*   A parameter to define the nozzle diameter.

**Components:**

The design consists of these main parts:
    *   **X-Motor mount:** Needs to be able to include T8m5 nuts and to attach to smooth and lead screw rods.
    *   **X-Idler mount:** Needs to be able to include T8m5 nuts, and to attach to smooth and lead screw rods.
    *   **X-Carriage:** The core part of the assembly.
    *   **Tensioner:** Composed of a clamp, a cap and a knob.
    *   **X-Endstop mount**

**Visual Options:**
*   I need a toggle to show or hide the motor (`show_motor`).
*   I need a toggle to show or hide the idler (`show_idler`).
*   A toggle to show or hide the carriage (`show_carriage`).
*   A toggle to show or hide the T8m5 nuts (`show_T8m5`).
*   A toggle to show or hide the endstop mount (`show_endstop`).
*   A toggle to show or hide the tensioner (`show_tensioner`).

**Specific Parts Details:**

*   **Tensioner Cap:** Should have rounded edges and include holes for bolts.
*   **Tensioner Knob:** Needs to have a grippy surface and a hole for attachment.
*   **Tensioner Clamp:** Should hold a bearing and be able to connect to the frame and rods.
*   **Endstop Mount:** Needs to have an attachment point for the sensor.
*   **T8m5 Nut:** Should be modeled accurately with outer diameter, height and the screw thread for a nut.
*   **Idler:** Should have an LM8UU bearing holder with a T8 Nut mount.
*   **Motor mount:** Needs to have an LM8UU bearing holder, a T8 Nut mount, and motor mounting holes.
*   **Carriage:** Should have bearing mounting points and the ability to mount to the rods. There should also be the ability to include different sets of mounting holes (prusa/graber).

**Libraries:**
I'd like this to use the BOLTS library for the nuts and bolts.

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

[Assistant]
xCarriage.scad:
```
// Written by  akaJes 2016 (c)
// used as sources
//http://www.thingiverse.com/thing:1103976/#remixes
//http://www.thingiverse.com/thing:119616/#files

//xMotor();
/* [general] */
show_assembled=1; //[0:No,1:Yes]
carriage_position=5; //[0:10]

//between centers of flat rod and screw rod
axis_distance=17;
motor_shift=0;
motor_hole_flanges=1; //[0:No,1:Yes]

/* [additional] */

//for rod hole
nozzle=0.3;
rod_diameter=8;
rod_distance=45;
carriage_height=60;
carriage_thickness=17;
belt_hole_height=30;
belt_hole_width=8;
idler_hole_height=17;
tensioner_bearing_diameter=5;

/* [visual] */

show_motor=1; //[0:No,1:Yes]
show_idler=1; //[0:No,1:Yes]
show_carriage=1; //[0:No,1:Yes]
show_T8m5=1; //[0:No,1:Yes]
show_endstop=1; //[0:No,1:Yes]
show_tensioner=1; //[0:No,1:Yes]

if (!show_assembled){
  if (show_tensioner){
    translate([-12,30,0])tensioner_clamp();
    translate([28,45,0])tensioner_cap();
    translate([105,85,0])tensioner_knob();
  }
  if (show_endstop){
    translate([55,10,19])rotate([0,90,0])xEndStop();
  }
  if(show_motor){
    translate([0,60,0])
    xMotor();
    //%translate([])import("X-MOTOR_17mm.STL");
  }
  if(show_T8m5){
    translate([-15,60,0])nutT8m5();
    translate([-15,90,0])nutT8m5();
  }
  if(show_idler){
      xIdler();
  }
  if(show_carriage){
    translate([60,00,0])xCarriage();
    //%translate([])import("X-CARRIAGE.STL");
  }
}else
if(show_assembled==1){
translate([0,0,carriage_height])rotate([0,180,0]){
  if (show_motor){
    xMotor();
    translate([axis_distance+11,23/2,-50])color("silver")cylinder(h=220,d=rod_diameter);
    if(show_T8m5)
      translate([11,11.5,-3.6])color("brown")nutT8m5();
  }
  translate([-180,25,7.5])color("silver"){
    rotate([0,90,0])cylinder(h=220,d=rod_diameter);
    translate([0,0,rod_distance])
      rotate([0,90,0])cylinder(h=220,d=rod_diameter);
  }
  if (show_idler)
  translate([-200,0,0]){
    xIdler(support=0);
    translate([23/2,23/2,-50])color("silver")cylinder(h=220,d=rod_diameter);
    if(show_T8m5)
      translate([23/2+axis_distance,11.5,-3.6])color("brown")nutT8m5();
  }
}
if (show_carriage)
  translate([60+(1-$t)*(carriage_position)*10,13,41-rod_distance])rotate([-90,180,0])
    xCarriage(0);
  if (show_endstop){
    translate([-4,16,0])rotate([0,0,0])color("brown")xEndStop();
    //translate([15,16,-5])rotate([90,-90,0])color("red")EendPCB();
  }
  if (show_tensioner){
    translate([185-axis_distance,17+17/2,carriage_height/2-16/2])rotate([0,0,90])color("brown")tensioner_clamp();
    translate([210,17+17/2,carriage_height/2]){
      rotate([0,-90,0])tensioner_cap();
      translate([.1,0,0])rotate([0,90,0])color("brown")tensioner_knob();
    }
  }
}
/* MODULES */
module EendPCB(){
  difference(){
    union(){
      cube([40,16,1.5]);
      translate([7,0,1.5])cube([12.7,6.3,5.8]);
    }
    translate([0,4,-.1]){
      translate([2+3.75/2,0,0])
      cylinder(d=3.75,h=2,$fn=16);
      translate([2+22.5-3.75/2,0,0])cylinder(d=3.75,h=2,$fn=16);
      translate([2+22.5+15.4-3.75/2,0,0])cylinder(d=3.75,h=2,$fn=16);
    }
  }
}

module tensioner_cap(){
  d=3;
  difference(){
    union(){
      rounded_brick([carriage_height,carriage_thickness,5.5]);
      translate([0,0,5.5])
        rounded_brick([belt_hole_height-nozzle*2,belt_hole_width-nozzle*2,3]);
    }
    translate([0,0,-.1])cylinder(d=d+nozzle,h=10,$fn=16);
    for(i=[1,-1])
      translate([i*rod_distance/2,0,-.1]){
        cylinder(d=d+nozzle,h=6,$fn=16);
        translate([0,0,3.2])nutMhex(3);//cylinder(d=2*d+nozzle,h=3,$fn=6);
      }
  }
}
module tensioner_knob(){
  ro=1;
  o=20;
  h=5;
  d=3;
  difference(){
    intersection(){
      cylinder(d=o,h=h);
      cylinder(d1=o-ro*2,h=h,d2=o+(h-ro)*2);
      cylinder(d2=o-ro*2,h=h,d1=o+(h-ro)*2);
    }
    translate([0,0,-.1])cylinder(d=d+nozzle,h=6,$fn=16);
    translate([0,0,2.5+.1])nutMhex(3);//cylinder(d=2*d+nozzle,h=3,$fn=6);
    pits(5,26,2,9);
  }
}
module tensioner_clamp(l=axis_distance,d=tensioner_bearing_diameter){
  nut=3;
  flatm3=nut*1.6+nozzle;
  difference(){
    union(){
      difference(){
        union(){
          translate([0,-1,0])rounded_brick([17,17,16],sides=[1,2,1,2]);
                translate([0,-l/2-16/2,0])
          rounded_brick([7.75,l,16],sides=[0,1,0,1]);
        }
        translate([0,2,8])rotate([0,90,0])cylinder(h=8,r=16/2+3,center=true);
      }
      translate([-9/2+.5,2,8])rotate([0,90,0])cylinder(h=.5,d1=d*2,d2=d+2);
      translate([9/2-.5,2,8])rotate([0,-90,0])cylinder(h=.5,d1=d*2,d2=d+2);
    }
    translate([0,2,8])rotate([0,90,0])
      cylinder(h=18,d=d+nozzle,center=true,$fn=16);
    translate([-17/2-.1,2,8])rotate([0,90,0])
      cylinder(h=1,d1=d*2,d2=d+nozzle);
    translate([17/2+.1-2.5,2,8])rotate([0,90,0])
      nutMhex(d);//cylinder(h=2.5,d=1.8*d+nozzle,$fn=6);
    //translate([-4,-l-3,16/2-flatm3/2])cube([8,nut,flatm3]);
    translate([-4,-l,16/2])rotate([90,0,0])hull(){
      nutMhex(nut);
      translate([7,0,0])nutMhex(nut);
    }
    translate([0,-5,8])rotate([90,0,0])cylinder(h=50,d=nut+nozzle,$fn=16);
  }
}
module wireClip(l=7,w=4){
  difference(){
    translate([0,-2,0])rounded_brick([l,w,5],sides=[0,2,0,2]);
    translate([0,-2.5/2,-.1])rounded_brick([l-3,w-1.5,5.2],sides=[0,1,0,1]);
    translate([-1/2,0,-.1])mirror([0,1,0])cube([1,w+.1,5.2]);
    translate([-l/2-.1,-w/2,3]){
      mirror([0,1,0])cube([l+.2,5,3]);
      rotate([45,0,0])cube([l+.2,sqrt(8),3]);
    }
  }
}
module xEndStop(l=19,h=15,w=17){
  difference(){
    union(){
      translate([l/2,w/2,0])rounded_brick([l,w,h],sides=[4,0,0,0]);
      difference(){
        translate([l-11,-3,h/2])rotate([0,90,0])
          rounded_brick([h,6,11],sides=[0,2,0,2]);
        translate([l-11-.1,0,-.1])rotate([0,0,-60])
          mirror([0,1,0])cube([11.2,4,h+.2]);
        translate([l-11-.1,-3,h/2-1])
          mirror([0,1,0])cube([11.2,4,2]);
      }
    }
    translate([-.1,w/2,h/2])rotate([0,90,0])
      cylinder(d=rod_diameter+nozzle,h=l+.2,$fn=24);
    translate([l-6+.1,-5,1])cube([6,6,h-2]);
    translate([l-11-.1,-4,1])cube([11.2,4,h-2]);

  }
  translate([3.5,0,0])
    wireClip();
}
module nutT8m5(){
  od=22;
  oh=3.6;
  hd=3.6;

  nd=10;
  nh=2.4;

  nut=5;
  difference(){
    union(){
      cylinder(d=od,h=oh,$fn=36);
      cylinder(d=nd,h=oh+nh,$fn=36);
    }
    translate([0,0,oh-1])
      nutMhex(5);//cylinder(d=1.8*nut+nozzle,h=3.6,$fn=6);
    translate([0,0,-.1]){
      cylinder(d=nut+1,h=oh+nh+.2,$fn=36);
        for (i=[0:3])rotate(360/4*i)
          translate([-8,0,0])cylinder(d=hd,h=oh+0.2,$fn=36);
    }
  }

}
module xIdler(shift=axis_distance,support=1){
  height=carriage_height;
  thickness=carriage_thickness;
  rod_axis=25.5;
  sstep=4;
  difference(){
    union(){
      translate([(shift+25)/2,rod_axis,0])rounded_brick([shift+25,thickness,height],sides=[4,4,0,0]);
      translate([23/2,rod_axis-14,0]){
        lm8holder(0,height);
        translate([shift,0,0])nutT8(0);
        joint(0,shift);
      }
    }
    translate([23/2,rod_axis-14,0]){
      mirror([1,0,0])lm8holder(1,height);
      translate([shift,0,0])mirror([1,0,0]){
        nutT8(shift<20?1:2);
        joint(1,shift);
      }
    }
    translate([-.1,rod_axis,0]){
      //rod
      for (i=[0,rod_distance])
        translate([0,0,i+7.5])
          rotate([0,90,0])
            cylinder(d=rod_diameter+nozzle,h=shift+25+.2,$fn=36);
      //belt
      translate([0,-belt_hole_width/2,height/2-belt_hole_height/2])
          cube([shift+26,belt_hole_width,belt_hole_height]);
      translate([shift+25+.2,-thickness/2-.1,height/2-idler_hole_height/2])
        mirror([1,0,0])
        if (!support)
          cube([20,thickness+.2,idler_hole_height]);
        else
          for (i=[0:floor(20/sstep)-1])
            translate([i*sstep+nozzle*2,0,0])
            cube([sstep-nozzle*2,thickness+.2,idler_hole_height]);
    }
  }
}
module xMotor(shift=axis_distance,motor_shift=motor_shift,flanges=motor_hole_flanges,clips=0){
  height=carriage_height;
  width=shift+65+motor_shift;
  thickness=carriage_thickness;
  bearing_d=15;
  rod_axis=25.5;
  difference(){
    union(){
      translate([width/2,rod_axis,0])rounded_brick([width,thickness,23],sides=[0,4,4,4]);
      translate([(shift+36+motor_shift)/2,rod_axis,0])rounded_brick([shift+36+motor_shift,thickness,height],sides=[0,4,4,4]);
      translate([11,rod_axis-14,0]){
        nutT8(0);
        translate([shift,0,0])lm8holder(0,height);
        joint(0,shift);
      }
    }
  //holes
    union(){
      translate([-.1,rod_axis,0]){
        //rod
        for (i=[0,rod_distance])
          translate([0,0,i+7.5])
            rotate([0,90,0])
              cylinder(d=rod_diameter+nozzle,h=shift+22+.1,$fn=36);
        //belt
        translate([0,-8/2,height/2-belt_hole_height/2])
          hull(){
            cube([shift+21+motor_shift,8,belt_hole_height]);
            translate([0,0,10-2])
              cube([shift+28+motor_shift,8,14]);
          }
          translate([0,-thickness/2-.1,45-.1])
            cube([4+.1,thickness+.2,20]);
      }
      translate([11,rod_axis-14,0]){
        nutT8(shift<20?1:2);
        translate([shift,0,0])lm8holder(1,height);
        joint(1,shift);
      }
      //motor
      translate([11+shift+32+motor_shift,rod_axis-thickness/2-.1,carriage_height/2])
        rotate([-90,0,0]){
          rotate([0,0,360/16])cylinder(d=34,h=thickness*3,$fn=8);
          d=3+nozzle;
          f=d;
          for (i=[0:3])
            rotate([0,0,360/4*(i+.5)])
              translate([21.9,0,0]){
                rotate([0,0,45])cylinder(d=d,h=thickness+.2,$fn=16);
                if (flanges)
                  cylinder(d1=d+f,d2=d,h=f/2,$fn=36);
              }
        }
    }
  }
  if (clips){
    translate([width/2,rod_axis+thickness/2,height])
      rotate([-90,0,180])wireClip();
    translate([20,rod_axis,height])
      rotate([-90,0,0])wireClip();
  }
}
module xCarriage(g=0){
  width=56;
  height=rod_distance+23;
  hole_dist=23;
  hole_d=4.25;
  lw=30.25;
  th=36.3;
  translate([width/2,0,0])
    difference(){
      union(){
        h1=26;
        translate([0,height-h1/2,0])
            rounded_brick([width,h1,12],sides=[6,0,6,0]);
        translate([0,height-th/2,0])
          rounded_brick([width,th,6],sides=[6,6,6,6]);
        for (i=[0,1])
          mirror([i,0,0])
            translate([(-width/2+6.5),height-th+14.8/2,0])
              difference(){
                rounded_brick([13,14.8,15],sides=[3,3,3,6]);
                translate([-7,2.9,9])
                  mirror([0,1,0])belt_t2(l=14,w=7);
              }
        translate([0,13,0])
          rounded_brick([lw,26,12],sides=[3,6,3,6]);
        w=width-2*6;
        h=height-26-th+7;
        translate([-w/2,26-6,0])
          cube([w,h,6]);
      }
      union(){
        h=height-26-th+7;
        for (i=[0,1])
          mirror([i,0,0])
            translate([-lw/2-20/2,height-th-h/2,-.1])
              rounded_brick([20,h,7],sides=[6,0,0,0]);
        translate([0,11.5,12]){
          rotate([0,90,0])lm8uu();
          for(i=[-1,1])
            translate([i*13.2,rod_distance,0])
              rotate([0,90,0])lm8uu(ts=9);
        }
        translate([0,height/2,-5])
          prusa_holes();
        if (g)
        translate([0,height/2-10,-5])
          graber_holes();
      }
    }
}
/*helpers*/
module joint(hole=1,shift,d=8,h0=9,r0=22/2,r1=23/2){
  a=(pow(r0+d/2,2)-pow(r1+d/2,2)+pow(shift,2))/(2*shift);
  h=sqrt(pow(r0+d/2,2)-pow(a,2));
  if (hole){
    translate([a,-h,-.1])
      cylinder(d=d,h=h0+.2,$fn=36);
  }else{
    jw=a/h*d;
    jh=d/2/(r0+d/2)*h;
    translate([a-jw/2,r0,0])mirror([0,1,0])
      cube([jw,r0+h-jh,h0]);
  }
}
module pits(height=5,c=14,d=6,shift=0,skip=0){
  for (z=[1:c-skip])
    rotate([0,0,360/c*z])
      translate([shift+d/2,0,0])
        hull(){
          sphere(d=d,$fn=16);
          translate([0,0,height])sphere(d=d,$fn=16);
        }
}

module lm8holder(hole=1,h=9){
  id=15;
  od=23;
  r=1;
  if(!hole){
    cylinder(d=od,h=h,$fn=36);
    translate([-od/2,0,0])cube([od,od/2,h]);
  }else
    translate([0,0,-.1]){
        cylinder(d=id,h=h+.2,$fn=36);
        cylinder(d1=id+r,d2=id,h=r,$fn=36);
        translate([0,0,h-r+.2])cylinder(d2=id+r,d1=id,h=r,$fn=36);
      translate([0,-2,0])cube([12,2,h+.2]);
    }
}
module nutT8(hole=1,h=9){
  id=10+2*nozzle;
  od=22;
  r=1;
  hd=2.7;//for tapping d3 //3.5;
  if (!hole){
    cylinder(d=od,h=h,$fn=36);
      translate([-od/2,0,0])cube([od,od/2,h]);
  }else
    translate([0,0,-.1]){
      cylinder(d=id,h=h+0.2,$fn=36);
      cylinder(d1=id+r,d2=id,h=r,$fn=36);
      for (i=[0:2])rotate(360/4*(-i+hole))
        translate([-8,0,0])cylinder(d=hd,h=h+0.2,$fn=36);
  }
}

module prusa_holes(){
  hole_dist=23;
  hole_d=4.25;
  for (i=[0:3])
      mirror([floor(i/2),0,0])mirror([0,i%2,0])
          translate([hole_dist/2,hole_dist/2,0])
            cylinder(d=hole_d,h=20,$fn=36);
}
module graber_holes(){
  hole_dist=30;
  hole_dist2=25;
  hole_d=3.25;
  translate([hole_dist/2,0,0])
  cylinder(d=hole_d,h=20,$fn=36);
  translate([-hole_dist/2,0,0])
  cylinder(d=hole_d,h=20,$fn=36);
  translate([0,-hole_dist2,0])
  cylinder(d=hole_d,h=20,$fn=36);
}
module belt_t2(l=10,w=6){
  step=2;
  d=1;
  cube([l,0.8,w]);
  for (i=[1:l/2-1])
    translate([2*i,0,0])
      hull(){
        translate([-d/2,d/2,0])cube([1,1,w]);
        translate([0,0.6+0.7,0])cylinder(d=1,h=w,$fn=16);
      }
}
module rounded_brick_old(d=[10,10,10],sides=[1,1,1,1]){
  hull()
    for (i=[0:3])
        mirror([floor(i/2),0,0])mirror([0,i%2,0])
          if (sides[i])
            translate([d[0]/2-sides[i],d[1]/2-sides[i],0])
              cylinder(h=d[2],r=sides[i],$fn=36);
          else
            translate([d[0]/2-1,d[1]/2-1,0])
              cube([1,1,d[2]]);
}
module rounded_brick(d=[10,10,10],sides=[1,1,1,1],r=-1,$fn=36){
  module rounded_(d=[10,10,10],sides=[1,1,1,1]){
    if(max(sides)){
      hull()
        for (i=[0:3])
          mirror([floor(i/2),0,0])mirror([0,i%2,0])
            if (sides[i])
              translate([d[0]/2-sides[i],d[1]/2-sides[i],0])
                cylinder(h=d[2],r=sides[i],$fn=$fn);
            else
              translate([d[0]/2-1,d[1]/2-1,0])
                cube([1,1,d[2]]);
    }else
      translate([-d[0]/2,-d[1]/2,0])
        cube(d);
  }
  if(r>=0)
    rounded_(d,[r,r,r,r]);
  else
    rounded_(d,sides);
}
module lm8uu(ts=7.4,cs=12){
  bearing_d=15;
  bearing_l=24;
  gap=0.6;
  d=15;
  l=24;
  r=2;//pits
  cylinder(d=d+nozzle,h=l+gap,center=true);
  cylinder(d=11,h=1.5*l,center=true);
  for (i=[0:3])
    mirror([0,0,floor(i/2)])mirror([0,i%2,0]){
      translate([-d,8.5,-ts])
        cube([2*d,1.5,3]);
        translate([cs-1-r+.1,8.5-r,-ts])
          difference(){
            union(){
              cube([r+1,1.5+r,3]);
              translate([r,.1,0])mirror([0,90,0])cube([1,d/2+1.5,3]);
            }
            translate([0,0,-.1])cylinder(r=r,h=3.2,$fn=16);
          }
    }
}
module nutMhex(d){
  if (d==3)
    cylinder(d=6+2*nozzle,h=2.4+.1,$fn=6);
  else
  if (d==4)
    cylinder(d=7.7+2*nozzle,h=3.2+.1,$fn=6);
  else
  if (d==5)
    cylinder(d=8.8+2*nozzle,h=4+.1,$fn=6);
  else
    cylinder(d=2*1.8+2*nozzle,h=d+.1,$fn=6);
}
```


[User]
I'd like to create a parametric design for game cartridge holders, similar to the one described in the attached file. I need a design that can be customized for various cartridge types and display configurations.

Specifically, I need the following:

1.  **Cartridge Type Selection:** The design should support different cartridge types including NES, SNES (both PAL and NTSC), N64, Game Boy/GBA, DS/3DS, and Sega Genesis.
2.  **Cart Count:** I need to be able to specify how many cartridges the holder should accommodate.
3.  **Support Legs:** The design should allow for optional support legs for stability, particularly for smaller holders, with the length of these legs being a customizable parameter.
4.  **Cart Angle:** The cartridges should be displayed at an adjustable angle.
5.  **Leveled Option:** A "leveled" option should be available, which would prevent each cartridge slot from being placed further upwards along the holder as the height of each slot increases. Essentially, "leveled=true" results in all the cartridge slots being at the same height along the support legs. "leveled=false" means that the height of each slot will increase along the support legs.
6. **Individual cartridge slots:** Each slot should be a separate "cup" that is then combined with the other slots.

For each cartridge type, the slot dimensions should be tailored to fit the specific cartridge as specified in the attached file. For example, the NES slot should closely match the dimensions of a NES cartridge, same for the SNES, etc..

Please generate the OpenSCAD code for this project. I don't need separate files for the various cartridge types or anything like that - it should all be handled using the customizer. I'd rather not try to use the library files I've seen out there for this, so lets create it from scratch.

[Assistant]
cart_holder_5.scad:
```
//Amount of cart slots
cart_count = 4; //[1:1:8]
//Cart type
cart_type = 5; //[0:Snes PAL, 1:Snes NTSC, 2:N64, 3:Gameboy/GBA, 4:DS/3DS, 5:NES, 6:Genesis]
//Support leg length (mm)
support_legs_length = 0; //[0:1:100]
//Cart angle (degree)
cart_angle = 30; //[0:1:30]
//Leveled
leveled = 0; //[0:False, 1:True]

module cart_cup(cup_height, cup_width, cup_depth, cart_hole_depth, support_legs_length, cup_angle) {

    difference() {

        union() {
            translate([0,cup_depth/2,0])
            hull() {
                translate([cup_depth/2,0,0])
                cylinder(h=cup_height, d=cup_depth);

                translate([cup_width-cup_depth/2,0,0])
                cylinder(h=cup_height, d=cup_depth);
            }

            for(j = [cup_width/4, cup_width*3/4]) {

                translate([j - 10/2, -(support_legs_length*cos(cup_angle)),
                                                cup_depth*sin(cup_angle)])
                cube([10,   support_legs_length*cos(cup_angle),
                            support_legs_length*sin(cup_angle)]);
            }

        }
        translate([cup_width/2,0,cup_height-cart_hole_depth])
        children();
    }
}

module nescart() {
    translate([-108/2,5,0])
    linear_extrude(24)
    polygon([[0,0],[108,0],
            [108,19],[0,19]]);

    translate([-122/2,5,24])
    linear_extrude(110)
    polygon([[0,0],[122,0],
            [122,19],[0,19]]);

};

module snescart_pal() {
    translate([-130/2,5,0])
    linear_extrude(88)
    polygon([[0,0],[130,0],
            [130,10],[127,16],[120,18],[100,20],[70,22],
            [60,22],[30,20],[10,18],[3,16],[0,10]]);

};

module snescart_ntsc() {
    translate([-130/2,5,0])
    linear_extrude(88)
    polygon([
        [-4,0],[-4,19],[17,19],[17,22],
        [113,22],[113,19],[134,19],[134,0]
    ]);

};

module gameboycart() {
    translate([-58/2,3,0])
    linear_extrude(65)
    polygon([[0,0],[58,0],
            [58,8],[0,8]]);

};

module dscart() {
    translate([-34/2,3,0])
    linear_extrude(35)
    polygon([[0,0],[34,0],
            [34,4.5],[0,4.5]]);

};

module n64cart() {
    translate([-118/2,5,0])
    linear_extrude(76)
    polygon([[0,0],[0,9],[1,13],[2,15],[3,16],[6,18],[9,19],
            [118-9,19],[118-6,18],[118-3,16],[118-2,15],[118-1,13],[118,9],[118,0]]);

};

module genesiscart() {
    translate([-110/2,5,0])
    linear_extrude(76)
    polygon([[0,0],[0,5],[0.3,7.6],[1.18,10.2],[2.6,12.5],[4.5,14.4],[6.8,15.8],
             [9.33,16.7],[12,17],[98,17],[100.67,16.7],[103.2,15.8],[105.5,14.4],
             [107.4,12.5],[108.82,10.2],[109.7,7.6],[110,5],[110,0]]);
}

module cart_stand(  amount_of_carts, delta_y, delta_h, angle,
                    cup_height, cup_width, cup_depth, cart_hole_depth, support_legs_length) {

    cut_from_bottom = sin(angle)*cup_depth;

    difference() {
        union() {

            for(i = [0:amount_of_carts-1]) {
                translate([0, -i*delta_y, -cut_from_bottom])
                rotate([angle, 0, 0])
                    if (i==(amount_of_carts-1))
                        cart_cup(   cup_height + i*delta_h, cup_width, cup_depth,
                                    cart_hole_depth, support_legs_length,                                                 angle)
                        #children();
                    else
                        cart_cup(   cup_height + i*delta_h, cup_width, cup_depth,
                                   cart_hole_depth, 0, 0)
                        #children();

            }
        }
        //ground
        translate([0, -delta_y*amount_of_carts - support_legs_length, -cut_from_bottom - support_legs_length])
        cube([cup_width, delta_y*(amount_of_carts+1) + support_legs_length, cut_from_bottom + support_legs_length]);
    }
}

//cart_stand(  amount_of_carts, delta_y, delta_h, angle,
//             cup_height, cup_width, cup_depth, cart_hole_depth, support_legs_length)

//cart_type: [0:Snes PAL, 1:Snes NTSC, 2:N64, 3:Gameboy/GBA, 4:DS/3DS, 5:NES, 6:Genesis]

if (cart_type == 0) {
    cart_stand(cart_count, 30, (leveled==1) ? 0 : 15, cart_angle, 30, 150, 30, 15, support_legs_length) snescart_pal();
}
if (cart_type == 1) {
    cart_stand(cart_count, 30, (leveled==1) ? 0 : 15, cart_angle, 30, 150, 30, 15, support_legs_length) snescart_ntsc();
}
if (cart_type == 2) {
    cart_stand(cart_count, 26, (leveled==1) ? 0 : 15, cart_angle, 30, 130, 26, 15, support_legs_length) n64cart();
}
if (cart_type == 3) {
    cart_stand(cart_count, 14, (leveled==1) ? 0 : 8, cart_angle, 15, 68, 14, 6, support_legs_length) gameboycart();
}
if (cart_type == 4) {
    cart_stand(cart_count, 9, (leveled==1) ? 0 : 5, cart_angle, 12, 40, 10, 6, support_legs_length) dscart();
}
if (cart_type == 5) {
    cart_stand(cart_count, 30, (leveled==1) ? 0 : 15, cart_angle, 45, 130, 30, 23, support_legs_length) nescart();
}
if (cart_type == 6) {
    cart_stand(cart_count, 26, (leveled==1) ? 0 : 15, cart_angle, 30, 125, 26, 15, support_legs_length) genesiscart();
}

```


[User]
Okay, I need a parametric bracket for 2020 aluminum extrusion, specifically the kind they sell here in Curitiba, Brazil - the profile is slightly different than what I see in a lot of online designs. I've got a simple model that works, but I want something a little more flexible and easy to modify.

Here's the basic idea:

*   **Core Shape:** It's a corner bracket that joins two pieces of 2020 extrusion at a 90-degree angle. The main body will be a cube shape with a few cuts.
*   **Profile Alignment:** Crucially, it needs a protuberance that fits into the rail of the 2020 profile to keep it aligned properly and to keep the bracket from twisting when it's screwed on. This protuberance should also be able to hold a square nut in place, or at least not interfere with it, while I'm attaching it to the extrusion.
*   **Bolt Holes:**  There needs to be two holes for M5 bolts that go through the bracket and into the T-nuts in the extrusion.  The inside of the bracket should also accommodate a washer for the M5 bolt.
*  **Nut Compatibility**:  I plan to use square nuts mostly, but it should work with standard T-nuts as well (though there is a clearance difference that needs to be configurable).
*   **Parametric Adjustments:** I need to be able to change a few things parametrically:
    *   The overall size of the bracket (e.g. 25mm or 20mm)
    *   The size of the protuberance for different types of extrusion and nuts.
    *   The clearance for different types of nuts (square or T-nuts).
    *   The diameter of the bolt holes, if necessary (though M5 is the standard for now).
    *   The thickness of the bracket.

I don't think I need specific libraries, but a clear structure would help in order to allow easy adjustments.

Can you generate the OpenSCAD files for this bracket? I'm aiming to avoid any manual adjustments of the openscad code except for those declared as parameters.

[Assistant]
profile2020_bracket.scad:
```

reduz20=0;
abert_paraf_quilha=15;
vao_bracket_porca=0.9;
larg_quilha=7.5;

gfix=0.01;

difference() {
    union() {
        // cubo maior, externo
        translate([0,0,0]) cube([25,25,20]);
        // cubo das quilhas
        translate([-5,-5,10-larg_quilha/2]) cube([30,30,larg_quilha]);
    }
    // cavidade maior no centro
    translate([5,5,4.5]) cube([16,16,11]);
    // corte diagonal
    rotate([0,0,45]) translate([22.2,-7.2,0-gfix]) cube([15,14.2,20+gfix*2]);
    // arrumate dos cantos do corte diagonal
    translate([20.9,10.7,0-gfix]) cube([5,5,20+gfix*2]);
    translate([10.7,20.7,0-gfix]) cube([5,5,20+gfix*2]);
    // abertura nas quilhas para porcas
    translate([16-abert_paraf_quilha/2,-5-gfix,10-larg_quilha/2-gfix])
        cube([abert_paraf_quilha,5-vao_bracket_porca+gfix*2,larg_quilha+gfix*2]);
    translate([-5-gfix,16-abert_paraf_quilha/2,10-larg_quilha/2-gfix])
        cube([5-vao_bracket_porca+gfix*2,abert_paraf_quilha,larg_quilha+gfix*2]);
    // abertura nas quilhas para cantos perpendiculares
    translate([-10,-10,0-gfix])
        cube([10.3,10.3,20+gfix*2]);
    // furos para parafusos
    translate([16,-10,10]) rotate([-90,0,0]) cylinder(d=5.4, h=20, $fn=20);
    translate([-10,16,10]) rotate([0,90,0]) cylinder(d=5.4, h=20, $fn=20);

    // reduz para 20x20
    if (reduz20==1) {
        translate([20,-10,0-gfix]) cube([5+gfix,40,20+gfix*2]);
        translate([-10,20,0-gfix]) cube([40,5+gfix,20+gfix*2]);
    }
}
```


[User]
Hey, I need an OpenSCAD file to generate custom caps for holes, like for covering holes in a countertop. I've got some specific ideas about how I want it to work.

First, I need to be able to specify the hole shape - either round, square, or rectangular. For round holes, I'll need to input the diameter. For squares and rectangles, I'll need to input two dimensions and also a corner radius. I'll also need to specify the hole's depth - like, the thickness of the countertop.

Then for the plug, I need to define how long it should be, and how much clearance it should have inside the hole. I also want to be able to specify the material thickness for the plug itself. I need an option for the plug to have either snaps, fins, or no features to hold it in place. If I pick snaps or fins, I need to define the protrusion length, and height of those teeth. For fins, I need to say how many there are, and for snaps, I need to be able to tweak the gaps between them.

Finally, for the cover, I need to specify its thickness and how much it should overlap the hole. I also need to be able to choose between a chamfer or a rounded edge on the cover, with parameters to control the size of the chamfer or round.

I need to be able to control the polygon quality, and the number of steps in fillet. Also, I'd like a debugging option that can cut away a slice of the model during preview to show the cap in context.

I'd prefer if the main output is a single cap, rather than a separate plug and cover.

[Assistant]
cap_generator_v1.scad:
```
/*----------------------------------------------------------------------------*/
/* Cap Generator
/* by Ziv Botzer
/*----------------------------------------------------------------------------*/

// Turn on for validation during preview, TURN OFF FOR PRODUCTION
show_slice = "On"; // [On, Off]

// Hole shape
hole_shape = "Square"; // [Round, Square, Rectangle]

// HOLE Dimension 1 (if circular = diameter)
hole_dimension1 = 34.8; // [10:0.1:150]

// HOLE Dimension 2 (only for rectangle shape)
hole_dimension2 = 50; // [10:0.1:150]

// HOLE Corner Radius (for square/rectangle shapes)
hole_radius = 10; // [0:0.1:20]

// HOLE Depth (e.g. for a table, thickness of the board)
hole_depth = 20; // [2:0.1:100]

// PLUG: plug length
plug_length = 15; // [2:0.1:100]

// PLUG: plug clearance inside hole
plug_clearance = 1; // [0:0.1:5]

// PLUG: plug material thickness
plug_thickness = 1.5; // [0.5:0.1:5]

// PLUG: Choose if you like snaps or fins
features = "Snaps"; // [Snaps, Fins, None]

// PLUG: Snaps/Fins protrusion of teeth (mm)
feature_length = 1.0; // [0.1:0.1:6]

// PLUG: Snaps/Fins height of teeth (mm)
feature_height = 1.5; // [0.1:0.1:6]

// PLUG FINS: Number of fins
fin_number = 3; // [1:1:6]

// PLUG SNAPS: Determines gaps size between snaps
snap_width_factor = 0.5; // [0.1:0.1:1]

// COVER: thickness (mm)
cover_thickness = 2; // [0.5:0.1:15]

// COVER: Overlap around hole
cover_offset = 3; // [0:0.1:30]

// COVER: Edge design
cover_edge = "Chamfer"; // [Chamfer, Round]

// COVER: Edge design ratio 1 (relative size of chamfer/fillet)
cover_edge_ratioV = 0.5; // [0:0.1:1]

// COVER: Edge design ratio 2 (relative size of chamfer/fillet)
cover_edge_ratioH = 0.1; // [0:0.1:1]

// QUALITY: number of polygon facets
$fn = 40;

// QUALITY: steps in fillet cover design
fillet_steps = 6; // [4:1:15]

/* [Hidden] */
clearance = 0.01;
show_slice_ = (show_slice=="On");
snaps = features == "Snaps";
fins = features == "Fins";

/* testing area
hole_shape = "Rectangle"; // [Round, Square, Rectangle]
snap_width_factor = .5; // [0.1:0.1:1]
show_slice = "Off"; // [On, Off]
features = "Fins"; // [Snaps, Fins, None]
fin_number = 3; // [1:1:6]
hole_radius = 1; // [0:0.1:20]
*/

/*****************************************/
// Show hole

larger_dim = ((hole_shape=="Rectangle")?max(hole_dimension1, hole_dimension2) : hole_dimension1) + cover_offset;
smaller_dim = (hole_shape=="Rectangle")?min(hole_dimension1, hole_dimension2) : hole_dimension1;
largest_depth = max(hole_depth, plug_length)+cover_thickness+1;

// can't have corner radius exceed half the facet length
hole_radius_safe = (hole_radius > smaller_dim/2) ? (smaller_dim/2 - clearance) : hole_radius;

// Illustrate the piece needing a cover
if (show_slice_)
%difference() {
    translate([0,0,-hole_depth/2])
    cube([larger_dim*1.5,larger_dim*1.5,hole_depth],center=true);

    translate([0,0,-(hole_depth+clearance)])
    linear_extrude(hole_depth+4*clearance)
    gen_hole_shape(hole_dimension1, hole_dimension2, hole_radius_safe);

    if (show_slice_)
        translate([0,-larger_dim/2, -(largest_depth/2-clearance)])
        cube([larger_dim*2.2, larger_dim*1, largest_depth+clearance*4], center=true);
}

// Generate the cap
difference() {
    generate_cap();

    color("Red")
    if (show_slice_)
        translate([0,-larger_dim/2-0.01, -(largest_depth/2)])
        cube([larger_dim*1.8, larger_dim*1, largest_depth*2], center=true);
}

//********************** FUNCTIONS *****************************

module generate_cap () {

    union() {
        // Generate cover with corner design
        if (cover_edge == "Chamfer") {
            linear_extrude((1-cover_edge_ratioV)*cover_thickness + clearance, convexity = 4)
            offset(r=cover_offset)
                gen_hole_shape(hole_dimension1, hole_dimension2, hole_radius_safe);

            hull() {
                translate([0,0,(1-cover_edge_ratioV)*cover_thickness])
                for (i = [0,1]) {
                    translate([0,0,i*cover_edge_ratioV*cover_thickness])
                    linear_extrude(0.01)
                    offset(r=cover_offset-i*cover_edge_ratioH*smaller_dim)
                    gen_hole_shape(hole_dimension1, hole_dimension2, hole_radius_safe);
                }
            }

        }
        else if (cover_edge == "Round") {
            linear_extrude((1-cover_edge_ratioV)*cover_thickness + clearance, convexity = 4)
            offset(r=cover_offset)
                gen_hole_shape(hole_dimension1, hole_dimension2, hole_radius_safe);

            hull() {
                translate([0,0,(1-cover_edge_ratioV)*cover_thickness])
                for (i = [0:1/fillet_steps:1]) {
                    translate([0,0, sin(i*90)*cover_edge_ratioV*cover_thickness])
                    linear_extrude(0.01)
                    offset(r=cover_offset - (1-cos(i*90))*cover_edge_ratioH*smaller_dim)
                    gen_hole_shape(hole_dimension1, hole_dimension2, hole_radius_safe);
                }
            }
        }

        // Generate plug
        difference() {

            union() {
                translate([0,0,-(plug_length) + clearance])
                linear_extrude(plug_length+clearance, convexity = 4)
                offset(r=-plug_clearance)
                gen_hole_shape(hole_dimension1, hole_dimension2, hole_radius_safe);

                // Generate plug fins
                //translate([0,0,-(hole_depth) + clearance])
                if (fins) {
                    d = plug_length/(fin_number+1);
                    for (i = [1:fin_number]) {
                        translate([0,0,-(d*i + 0.3*d)])
                        hull() {
                            linear_extrude(0.01)
                            offset(r=-plug_clearance)
                            gen_hole_shape(hole_dimension1, hole_dimension2, hole_radius_safe);

                            translate([0,0,feature_height])
                            linear_extrude(0.2)
                            offset(r=feature_length-plug_clearance)
                            gen_hole_shape(hole_dimension1, hole_dimension2, hole_radius_safe);
                        }
                    }
                }

                if (snaps) {
                    translate([0,0,-plug_length])
                    hull() {
                        linear_extrude(0.01)
                        offset(r=-plug_clearance)
                        gen_hole_shape(hole_dimension1, hole_dimension2, hole_radius_safe);

                        translate([0,0,feature_height])
                        linear_extrude(0.2)
                        offset(r=feature_length-plug_clearance)
                        gen_hole_shape(hole_dimension1, hole_dimension2, hole_radius_safe);
                    }

                }
            }

            // remove inner volume of plug
            translate([0,0,-(plug_length) - clearance])
            linear_extrude(plug_length+2*clearance, convexity = 4)
            offset(r=-(plug_clearance+plug_thickness))
            gen_hole_shape(hole_dimension1, hole_dimension2, hole_radius_safe);

            // remove edge chamfer
            if (!snaps)
            translate([0,0,-(plug_length) ])
            difference() {
                linear_extrude(plug_thickness/2 + clearance )
                offset(r=-plug_clearance  + clearance)
                gen_hole_shape(hole_dimension1, hole_dimension2, hole_radius_safe);

                hull() {
                    linear_extrude(0.01)
                    offset(r=-plug_clearance -(plug_thickness/2)  + 2*clearance)
                    gen_hole_shape(hole_dimension1, hole_dimension2, hole_radius_safe);

                    translate([0,0,plug_thickness/2 + 2*clearance ])
                    linear_extrude(0.01)
                    offset(r=-plug_clearance)
                    gen_hole_shape(hole_dimension1, hole_dimension2, hole_radius_safe);
                }
            }

            // remove snap gaps
            if (snaps) {
                if (hole_shape == "Square") {
                    factor = 0.5+snap_width_factor*0.4;
                    rotate([0,0,45])
                    for (i = [1:4]) {
                        rotate([0,0,i*360/4])
                        translate([factor*hole_dimension1/sin(45),0,-(plug_length/2 + clearance)])
                        rotate([0,0,45])
                        cube([hole_dimension1,hole_dimension1,plug_length+4*clearance], center=true);
                    }

                }
                else if (hole_shape == "Round") {
                    factor = 0.48+snap_width_factor*0.3;
                    rotate([0,0,45])
                    for (i = [1:4]) {
                        rotate([0,0,i*360/4])
                        translate([factor*hole_dimension1/sin(45),0,-(plug_length/2 + clearance)])
                        rotate([0,0,45])
                        cube([hole_dimension1,hole_dimension1,plug_length+4*clearance], center=true);
                    }
                }
                else { // Rectangle
                    factor = 0.5+0.4*snap_width_factor;

                    translate([-factor*hole_dimension1,factor*hole_dimension2,-(plug_length/2 + clearance)])
                    cube([hole_dimension1,hole_dimension2,plug_length+4*clearance], center=true);

                    translate([factor*hole_dimension1,factor*hole_dimension2,-(plug_length/2 + clearance)])
                    cube([hole_dimension1,hole_dimension2,plug_length+4*clearance], center=true);

                    translate([-factor*hole_dimension1,-factor*hole_dimension2,-(plug_length/2 + clearance)])
                    cube([hole_dimension1,hole_dimension2,plug_length+4*clearance], center=true);

                    translate([factor*hole_dimension1,-factor*hole_dimension2,-(plug_length/2 + clearance)])
                    cube([hole_dimension1,hole_dimension2,plug_length+4*clearance], center=true);

                }

            }

        }
    }
}

module gen_hole_shape ( d1, d2, r1 ) {
    if (hole_shape == "Round") {
        circle(d=d1);
    }
    else {
        d1b = d1 - 2*r1;
        d2b = ((hole_shape == "Square")?d1:d2) - 2*r1;

        translate([-d1b/2,-d2b/2,0]) {
            if (r1 > 0)
                minkowski() {
                    circle(r1);
                    square([d1b,d2b]);
                }
            else {
                square([d1b,d2b]);
            }
        }
    }
}

```


[User]
I want to design a customizable Christmas star ornament! I'd like to be able to personalize it with text, change the star's shape, and add a pattern inside the star.

Here are the specific things I want to be able to customize:

*   **Text:** I need to be able to enter text, preferably in capital letters, and control the text size and font (I'd like to use Arial, maybe in bold).

*   **Star Shape:**
    *   I need to control the number of points on the star.
    *   I also need to control both the inner and outer radius of the star.

*   **Base/Box:**
    *   I need to be able to set the width and height of a rectangular box behind the star.
    *   I want to be able to position the box on the Z axis.

*   **Inner Pattern:**
    *   I want to fill the star with a repeating pattern. I need to select the shape of the pattern cells (e.g., triangle, square, pentagon, hexagon, etc.). I need an option for a circle as well.
    *   I need to be able to set the radius and thickness of the pattern cell shapes.

I also need the design to include a small ring/washer at one of the star's points, to be used for a keychain or ornament.

Finally, I'd like the base to have some color coding and simple visual elements: a base plate, a right side wall, a top plate, and a left side wall, each in a different color. This is just for visual appeal when viewing the model in OpenSCAD.

Could you generate the OpenSCAD code for this?

[Assistant]
Estrella_personalizable_V4.scad:
```
//CUSTOMIZABLE STAR PARAMETERS
/*[Text Parameters]*/
//Insert text, better in capital letters
text= "Exp3nd";
text_size = 10;
myfont = "Arial:style=black";//Para cambiar la fuente vamos a Ayuda>Font List. Nos sale un despegable y arrastramos la fuente que queramos. Para cambiar a negrita poner black, para poner normarl, regular

/*[Star Parameters]*/

//Number of star points
N=5;
//Star inner radius
ri=25;
//Star outer radius
ro=50;

/*[Box Parameters]*/

//Width
ancho = 70;
//High
alto= 12;
//Box High position
posicion= 4;

/*[Pattern Parameters]*/

//Pattern Type
sides = 3; //[3:Triangle (3-sided),4:Square (4-sided),5:Pentagon (5-sided),6:Hexagon (6-sided),7:Heptagon (7-sided),8:Octogon (8-sided),9:Nonagon (9-sided),10:Decagon (10-sided),11:Hendecagon (11-sided),12:Dodecagon (12-sided),30:Circle (30-sided)]

//Pattern_radius
r= 5; //[4:22]

//Pattern_thickness
th=0.8;

module parametric_star(N, h, ri, re) {

  module tipstar(n) {
     i1 =  [ri*cos(-360*n/N+360/(N*2)), ri*sin(-360*n/N+360/(N*2))];
    e1 = [re*cos(-360*n/N), re*sin(-360*n/N)];
    i2 = [ri*cos(-360*(n+1)/N+360/(N*2)), ri*sin(-360*(n+1)/N+360/(N*2))];
    polygon([ i1, e1, i2]);
  }
    linear_extrude(height=1) //Altura del borde de la estrella estaba puesto =h
    union() {
      for (i=[0:N-1]) {
         tipstar(i);
      }
      rotate([0,0,360/(2*N)]) circle(r=ri+ri*0.01,$fn=N);
    }
}
module honeycomb(w,l,h,r,rmod,th,sides)
{
	columns = l/(r*3)+1;
	rows = w/(r*sqrt(3)/2*2);

	translate([-w/2,l/2,0])
		rotate([0,0,-90])
			for(i = [0:rows]){

				translate([0,r*sqrt(3)/2*i*2,0])
				//scale([1*(1+(i/10)),1,1])
					for(i = [0:columns]){
						translate([r*i*3,0,0])
							for(i = [0:1]){
								translate([r*1.5*i,r*sqrt(3)/2*i,0])
									rotate([0,0,honeycomb_rotation])
									difference(){
										if(sides < 5){
											cylinder(height = h, r = r+th+(r*rmod/50), center = true, $fn = sides);
										} else {
											cylinder(height = h, r = r+(r*rmod/50), center = true, $fn = sides);
										}
										cylinder(height = h+1, r = r-th+(r*rmod/50), center = true, $fn = sides);
									}
							}
					}
			}
}
//Customizable star code
union(){
difference(){
            rotate([0,0,90])
            //modulo estrella_bien();
                    union(){
                        intersection(){
                        parametric_star(N,1,ri,ro);
                        honeycomb(200,200,3,r,1,th,sides);
                                      }
                        //modulo estrella(N,1,ri,ro);
                        union(){
                                    difference(){
                                    scale([1.1,1.1,1])
                                    parametric_star(N, 1, ri, ro);
                                    parametric_star(N, 1, ri, ro);
                                            }
                                    //modulo arandela(3, h);
                                    translate([ro+7,0,0])
                                    difference(){
                                        cylinder(r=3/0.7, h=1, $fn=100);
                                        cylinder(r=3/1.5, h=1*10, $fn=100, center=true);
                                                }
                               }
                            }
                rotate([0,0,90])
                translate([(posicion+(alto/2)),0,0])
                cube([alto,ancho,1], center=true);

            }
               //TEXTO
                translate([-(ancho/2)+2,posicion+0.2,0])
                linear_extrude(1) //Altura texto
                text(
                     text,
                     size = text_size,
                     font = myfont
                );

                //BASE
                rotate([0,0,90])
                translate([posicion,0,0.5])
                color("red")cube([1.2,ancho,1], center=true);
                //LADO DCHA
                rotate([0,0,90])
                translate([posicion-0.5,(-ancho/2),0])
                color("blue")cube([alto+1,1.2,1]);
                //ARRIBA
                rotate([0,0,90])
                translate([posicion+alto,0,0.5])
                color("black")cube([1.2,ancho,1], center=true);
                //LADO IZQDA
                rotate([0,0,90])
                translate([(posicion+(alto/2)),(ancho/2),0.5])
                color("white")cube([alto+1,1.2,1], center =true);
}
```
Estrella_personalizable_V3.scad:
```
//CUSTOMIZABLE STAR PARAMETERS
/*[Text Parameters]*/
//Insert text, better in capital letters
texto= "EDURNE";
text_size = 10;

/*[Star Parameters]*/

//Number of star points
N=5;
//Star inner radius
ri=25;
//Star outer radius
ro=50;

/*[Box Parameters]*/

//Width
ancho = 60;
//High
alto= 11;
//Box High position
posicion= -1;

/*[Pattern Parameters]*/

//Pattern Type
sides = 3; //[3:Triangle (3-sided),4:Square (4-sided),5:Pentagon (5-sided),6:Hexagon (6-sided),7:Heptagon (7-sided),8:Octogon (8-sided),9:Nonagon (9-sided),10:Decagon (10-sided),11:Hendecagon (11-sided),12:Dodecagon (12-sided),30:Circle (30-sided)]

//Pattern_radius
r= 5; //[4:22]

//Pattern_thickness
th=1;

module parametric_star(N, h, ri, re) {

  module tipstar(n) {
     i1 =  [ri*cos(-360*n/N+360/(N*2)), ri*sin(-360*n/N+360/(N*2))];
    e1 = [re*cos(-360*n/N), re*sin(-360*n/N)];
    i2 = [ri*cos(-360*(n+1)/N+360/(N*2)), ri*sin(-360*(n+1)/N+360/(N*2))];
    polygon([ i1, e1, i2]);
  }
    linear_extrude(height=h)
    union() {
      for (i=[0:N-1]) {
         tipstar(i);
      }
      rotate([0,0,360/(2*N)]) circle(r=ri+ri*0.01,$fn=N);
    }
}
module honeycomb(w,l,h,r,rmod,th,sides)
{
	columns = l/(r*3)+1;
	rows = w/(r*sqrt(3)/2*2);

	translate([-w/2,l/2,0])
		rotate([0,0,-90])
			for(i = [0:rows]){

				translate([0,r*sqrt(3)/2*i*2,0])
				//scale([1*(1+(i/10)),1,1])
					for(i = [0:columns]){
						translate([r*i*3,0,0])
							for(i = [0:1]){
								translate([r*1.5*i,r*sqrt(3)/2*i,0])
									rotate([0,0,honeycomb_rotation])
									difference(){
										if(sides < 5){
											cylinder(height = h, r = r+th+(r*rmod/50), center = true, $fn = sides);
										} else {
											cylinder(height = h, r = r+(r*rmod/50), center = true, $fn = sides);
										}
										cylinder(height = h+1, r = r-th+(r*rmod/50), center = true, $fn = sides);
									}
							}
					}
			}
}
//Customizable star code
union(){
difference(){
            rotate([0,0,90])
            //modulo estrella_bien();
                    union(){
                        intersection(){
                        parametric_star(N,1,ri,ro);
                        honeycomb(200,200,3,r,1,th,sides);
                                      }
                        //modulo estrella(N,1,ri,ro);
                        union(){
                                    difference(){
                                    scale([1.1,1.1,1])
                                    parametric_star(N, 1, ri, ro);
                                    parametric_star(N, 1, ri, ro);
                                            }
                                    //modulo arandela(3, h);
                                    translate([ro+7,0,0])
                                    difference(){
                                        cylinder(r=3/0.7, h=1, $fn=100);
                                        cylinder(r=3/1.5, h=1*10, $fn=100, center=true);
                                                }
                               }
                            }
                rotate([0,0,90])
                translate([(posicion+(alto/2)),0,0])
                cube([alto,ancho,1], center=true);

            }

                translate([-(ancho/2)+2,posicion+0.2,-0.25])
                linear_extrude(0.7)
                text(texto, size = text_size);
                //BASE
                rotate([0,0,90])
                translate([posicion,0,0])
                color("red")cube([1,ancho,0.5], center=true);
                //LADO DCHA
                rotate([0,0,90])
                translate([posicion,-(ancho/2),0])
                color("blue")cube([alto,1,0.5]);
                //ARRIBA
                rotate([0,0,90])
                translate([posicion+alto,0,0])
                color("black")cube([1,ancho,0.5], center=true);
                //LADO IZQDA
                rotate([0,0,90])
                translate([(posicion+(alto/2)),(ancho/2),0])
                color("white")cube([alto+1,1,0.5], center =true);
}
```


[User]
Hi there,

I need an OpenSCAD design for a drilling jig, similar to the one I already have, but I'd like to make it more flexible and robust.

Basically, it's a jig that uses pegs to locate on existing holes in shelving so that you can drill new, consistently placed holes. My current design uses cylinder pegs and the like, which works fine, but I'd prefer it to be more flexible. I'm thinking of different types of pegs, different peg materials, etc. For instance, I often want to print the pegs out of TPU or other flexible materials, but I want to use different tolerances for the fit depending on the material that I'm using. I also want to consider press-fit pegs where the pegs themselves are designed with a small interference to the holes in the shelf.

Here's what I'd like to be able to configure:

*   **Hole Diameter:** The diameter of the holes to be drilled. This would also be the nominal diameter of the pegs.
*   **Peg Length:** The length of the peg.
*   **Jig Thickness:** The thickness of the jig itself.
*   **Number of Pegs:** The number of locating pegs on the jig.
*   **Number of Drill Holes:** The number of holes to drill using the jig.
*   **Hole Distance:** The center-to-center distance between holes.
*   **Jig Width:** I'd like to specify the width of the jig separately from the hole/peg layout.
*  **Peg Type:** The peg can either be a normal cylinder or a press-fit peg.
    * **Press-fit Diameter:** The press-fit peg would have a slightly larger diameter than the hole to create a press fit.
    * **Press-fit Tolerance:** How much larger the press-fit diameter should be relative to the hole diameter.
*   **Peg Tolerance:** The clearance between the nominal peg diameter and the peg diameter actually printed (this would be different from the press-fit tolerance).
*  **Peg Material:** Perhaps a way to pick from a few common materials that can help automatically determine a sane peg tolerance (e.g. PLA, TPU).
* **Hole Depth:** Allow the depth of the hole to be configured, so that through holes can be drilled if necessary.

I think it would also be helpful if the peg shape could be something other than just a simple cylinder. Perhaps a peg with a chamfer or a rounded edge, or a more complex profile. But let's just start with a cylinder and worry about the complex profiles later.

Ideally, this would be generated as a single OpenSCAD file. I'm very familiar with how to use OpenSCAD, but I'm not super familiar with complex parameterizations and conditional logic, so I'm looking for your help here.

Thanks!

[Assistant]
billyjig.scad:
```
//
//   jig for drilling extra holes in old Billy shelves and so on
//
//   design by Egil Kvaleberg, 5 December 2016
//

// hole and peg diameter
hdia = 5.0;

// length of peg
hdepth = 6.0;

// jig thickness
wall = 4.0;

// number of pegs
pegs = 3;
// number of holes (for drilling)
holes = 2;

// distance between holes
hdist = 32.0;

width = 4*hdia;

// tolerance
tol = 0.2;
d = 1*0.01;

module peg()
{
    cylinder(d=hdia-2*tol, h=wall+hdepth-hdia/2, $fn=30);
    translate([0,0,wall+hdepth-hdia/2]) sphere(d=hdia-2*tol, $fn=30);
}

difference () {
    union () {
        translate([-hdist/2,-width/2,0]) cube([(pegs+holes)*hdist,width,wall]);
        for (n = [holes:holes+pegs-1]) translate([n*hdist,0,0])
            peg();
    }
    union () {
        for (n = [0:holes-1]) translate([n*hdist,0,-d])
            cylinder(d=hdia, h=2*wall+2*d, $fn=30);
    }
}
```


[User]
I'm looking to create a parametric design for a film developing tank inner tube, specifically for 35mm film. It's a fairly simple design, but I want to be able to adjust the dimensions easily to fit different tank sizes.

Essentially, it's a cylinder with a couple of features. The main body is a hollow tube with a specific outer diameter and inner diameter, and a height that should be customizable. At the bottom, there's a wider base with a small cylindrical rise at the top of the base. There are also two rectangular block features that protrude from the central tube, near the top of the tube.

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

*   `tube_height`: The overall height of the main tube.
*   `tube_outer_diameter`: The outer diameter of the main tube.
*   `tube_inner_diameter`: The inner diameter of the main tube.
*   `base_outer_diameter`: The outer diameter of the base.
*  `base_height`: The height of the base.
*   `rise_outer_diameter`: The outer diameter of the cylindrical rise on the base.
*   `rise_inner_diameter`: The inner diameter of the cylindrical rise on the base.
*   `rise_height`: The height of the cylindrical rise.
*   `block_height`: The height of the rectangular blocks.
*  `block_width`: The width of the rectangular blocks (along the length of the tube).
*  `block_length`: The length of the rectangular blocks (extending outward).
*  `block_thickness`: The thickness of the rectangular blocks (perpendicular to the tube).
*   `$fn` to control smoothness.

The base should be centered below the main tube. The cylindrical rise should be centered on top of the base. The rectangular blocks should be positioned symmetrically on opposite sides of the main tube, near the top.

I'd like the design to use the `difference()` function for the hollow parts, and use unions where appropriate. I want to make sure there's proper clearance in the design, so that the inner tube walls are clearly distinct. Could you please generate a parametric OpenSCAD file for me? Thanks!

[Assistant]
tube.scad:
```
HEIGHT = 85;
$fn = 100;

module Patterson_tank_tube () {
    BASE_D = 39.77;
    BASE_H = 2.33;

    RISE_OD = 35;
    RISE_ID = 30.1;
    RISE_H = 1.14;

    TUBE_ID = 22.22;
    TUBE_OD = 25.66;//INCH, basically

    BLOCK_H = 18.44; //CONSTANT
    BLOCK_W = 3;
    BLOCK_L = 40 - 18.44; //ROUGH
    BLOCK_T = 7.2;

    //MAIN TUBE
    difference () {
        cylinder(r = TUBE_OD / 2, h = HEIGHT, center = true);
        cylinder(r = TUBE_ID / 2, h = HEIGHT + 1, center = true);
    }

    //BASE
    translate([0, 0, -(HEIGHT / 2) - (BASE_H / 2)]) {
        difference () {
            union () {
                cylinder(r = BASE_D / 2, h = BASE_H, center = true);
                translate([0, 0, (BASE_H / 2) + (RISE_H / 2)]) cylinder(r = RISE_OD / 2, h = RISE_H, center = true);
            }
            translate([0, 0, - (BASE_H / 2) + (RISE_H / 2) - .1]) cylinder(r = RISE_ID / 2, h = RISE_H, center = true);
            cylinder(r = TUBE_ID / 2, h = HEIGHT + 1, center = true);
        }
    }

    //BLOCKS
    translate ([0, 0, (HEIGHT / 2) - (BLOCK_L / 2) - BLOCK_H]) {
        translate([0, (TUBE_ID / 2) - (BLOCK_T / 2), 0]) cube([BLOCK_W, BLOCK_T, BLOCK_L], center = true);
        translate([0, -(TUBE_ID / 2) + (BLOCK_T / 2), 0]) cube([BLOCK_W, BLOCK_T, BLOCK_L], center = true);
    }
}

Patterson_tank_tube();
```


[User]
I need a parametric OpenSCAD design for a strain relief device. It's meant to protect wire splices and exposed wire jackets, kind of like the attached example I made.

Here's what I need it to do:

*   It should have a central cylindrical section that houses the wire splice. I need to be able to adjust both the diameter and the length of this central cavity.
*   The outer shell of this central section should be a cylinder as well, also with adjustable diameter and length. The central cavity will obviously be subtracted from this.
*   At each end of this central section, I need an opening for the wires to enter and exit. These openings should be configurable to be either round or square, with adjustable sizes for either shape. So that means being able to set:
    *   The length of each opening (how far the shape extends into or out from the cylinder).
    *   Whether the opening is round or square (it'll be one or the other - not both at once).
    *   The diameter of the round opening (if chosen).
    *   The width and height of the square opening (if chosen).
*   I also want to have two channels for zip ties on the central cylindrical section so that I can secure it. These should be U-shaped channels that wrap around the cylinder, placed near the ends of the central section. I should be able to control the depth (how much of a channel they form), and their spacing. The width of the channel is fixed based on the size of a standard zip tie.
*   I'd like to be able to set a part quality value that controls the smoothness of curves.

I'm okay with the design being rotated 90 degrees so that it prints vertically on the build plate. Please use the MCAD library for the `cylinder()` calls. I'd like all the lengths to start from the Z=0 point. I want the final part to be centered on X and Y, and have the total Z be centered on Z=0.

Essentially, I want to be able to adjust all of the following parameters:

*   `part_quality` (controls curve smoothness)
*   `splice_cavity_diameter`
*   `splice_width_diameter`
*   `splice_length`
*   `ziptie_channel_width`
*   `ziptie_channel_height`
*   `in_wire_opening_length`
*   `in_round_wire_opening` (boolean)
*   `in_round_wire_opening_diameter`
*   `in_square_wire_opening` (boolean)
*   `in_square_wire_opening_width`
*   `in_square_wire_opening_height`
*   `out_wire_opening_length`
*   `out_round_wire_opening` (boolean)
*   `out_round_wire_opening_diameter`
*   `out_square_wire_opening` (boolean)
*   `out_square_wire_opening_width`
*  `out_square_wire_opening_height`
*   `zipties` (fixed to two in this version, but it's a parameter because I may want to use it to control how many ziptie channels we use)
*  `ziptie_spacing`

[Assistant]
strain_relief.scad:
```
// grahampheath

// Default 0.5. "is the minimum size of a fragment"
part_quality=.5; // [0.1:0.1:1]

splice_cavety_diameter=7.5;
splice_width_diameter=12.5;
splice_length=15;

ziptie_channel_width=2.2;
ziptie_channel_height=1.1;

in_wire_opening_length=3.45;
in_round_wire_opening=true;
in_round_wire_opening_diameter=3.45;
in_square_wire_opening=false;
in_square_wire_opening_width=7.1;
in_square_wire_opening_height=3.45;

out_wire_opening_length=1;
out_round_wire_opening=false;
out_round_wire_opening_diameter=3.45;
out_square_wire_opening=true;
out_square_wire_opening_width=7.1;
out_square_wire_opening_height=3.45;

zipties=2;
ziptie_spacing=12.75;

/* [Hidden] */
$fa=1;
$fs=part_quality;
in_round_wire_opening_radius=in_round_wire_opening_diameter/2;
out_round_wire_opening_radius=out_round_wire_opening_diameter/2;
splice_cavety_radius=splice_cavety_diameter/2;
splice_width_radius=splice_width_diameter/2;

module cylinder_outer(radius,height,center, fn=90) {
  fudge = 1/cos(180/fn);
  cylinder(r=radius*fudge,h=height,center=center,$fn=fn);
}

module splice_opening(
    height=2,
    outer_radius=10,
    round=true,
    round_radius=2,
    square=false,
    square_width=3,
    square_height=4) {

  difference() {
    translate([0, 0, height/2]) {
      cylinder_outer(radius=outer_radius, height=height, center=true);
    }

    e=0.2;
    if (round) {
      translate([0, 0, height/2]) {
        cylinder_outer(radius=round_radius, height=height, center=true);
      }
    }

    if (square) {
      translate([-square_width/2, -square_height/2, 0]) {
        cube(size=[square_width, square_height, height], center=false);
      }
    }
  }

}

module splice_jacket() {
  cylinder_outer(radius=splice_width_radius, height=splice_length, center=false);
}

module splice_cavety() {
  cylinder_outer(radius=splice_cavety_radius, height=splice_length, center=false);
}

module ziptie() {
  translate([0, 0, ziptie_channel_width/2]){
    difference() {
      cylinder_outer(radius=splice_width_radius, height=ziptie_channel_width, center=true);
      cylinder_outer(radius=splice_width_radius-ziptie_channel_height, height=ziptie_channel_width, center=true);
    }
  }
}

module splice_hull() {
  difference() {
    difference() {
      splice_jacket();
      splice_cavety();
    }

    translate([0, 0, 0]){
      ziptie();
    }

    translate([0, 0, splice_length-ziptie_channel_width]){
      ziptie();
    }
  }
}

module strain_relief() {
  union(){
    translate([0, 0, 0]) {
      splice_opening(
        height=in_wire_opening_length,
        outer_radius=splice_width_radius,
        round=in_round_wire_opening,
        round_radius=in_round_wire_opening_radius,
        square=in_square_wire_opening,
        square_width=in_square_wire_opening_width,
        square_height=in_square_wire_opening_height
      );
    }
    translate([0, 0, in_wire_opening_length]) {
      splice_hull();
    }
    translate([0, 0, splice_length + in_wire_opening_length]) {
      splice_opening(
        height=out_wire_opening_length,
        outer_radius=splice_width_radius,
        round=out_round_wire_opening,
        round_radius=out_round_wire_opening_diameter,
        square=out_square_wire_opening,
        square_width=out_square_wire_opening_width,
        square_height=out_square_wire_opening_height
      );

    }
  }
}

rotate([0, 270, 0]) {
  splice_length_sum=splice_length+in_wire_opening_length + out_wire_opening_length;
  translate([0, 0, -splice_length_sum/2]) {

    intersection() {
      translate ([0,-splice_width_diameter/2,0]) {
        cube([10,splice_width_diameter,splice_length_sum]);
      }
      strain_relief();
    }
  }
}

```


[User]
I need a flexible, parametric OpenSCAD design for creating vacuum hose adapters. I want to define these adapters using a series of conical frustums.

Here's the basic idea:

Each adapter will be described by a list of segments. Each segment will be a hollow frustum (basically, a short, tapered pipe). Each segment will be defined by:

1.  **Bottom Inner Diameter**
2.  **Bottom Outer Diameter**
3.  **Top Inner Diameter**
4.  **Top Outer Diameter**
5.  **Height**

The bottom of the *first* segment will be the starting point. The top of the current segment will have the same inner/outer diameters as the bottom of the next segment. I need to be able to specify these values as variables, so I can easily change the dimensions of each adapter. For example, this data describes a single three-segment adapter:

```
descr = [
    [bbi, bbo, 0],   // first segment bottom
    [bti, bto, bh],  // first segment top
    [tbi, tbo, jh],  // second segment
    [tti, tto, th]   // third segment
];
```

I’d like the OpenSCAD file to use a module called `pipe` that takes a description like the one above and renders the 3D shape. I am also fine with creating other modules, and would like to generate the description using variables like in the code above. The design should be generated by rotating a polygon defined by the inner and outer profiles.

I’d like the file to output a single, fully assembled adapter.

Finally, I need some basic parameters for the adapter itself, such as `$fn` to control the resolution of the cylinders.

Also, I don’t need any special libraries. Thanks!

[Assistant]
adapter.scad:
```
// Bottom segment bottom inner diameter
bbi = 39.5; // [1:0.5:100]

// Bottom segment bottom outer diameter
bbo = 42.5; // [1:0.5:100]

// Bottom segment top inner diameter
bti = 38; // [1:0.5:100]

// Bottom segment top outer diameter
bto = 43; // [1:0.5:100]

// Bottom segment height
bh = 40; // [1:0.5:100]

// Junction height
jh = 10; // [1:0.5:100]

// Top segment bottom inner diameter
tbi = 28; // [1:0.5:100]

// Top segment bottom outer diameter
tbo = 33; // [1:0.5:100]

// Top segment top inner diameter
tti = 29; // [1:0.5:100]

// Top segment top outer diameter
tto = 31; // [1:0.5:100]

// Top segment height
th = 40; // [1:0.5:100]

//descr = [
//    [39.5, 42.5, 0], // internal
//    [38, 43, 40], // internal
//    [28, 33, 10], // external
//    [29, 31, 40], // external
//];

descr = [
    [bbi, bbo, 0],
    [bti, bto, bh],
    [tbi, tbo, jh],
    [tti, tto, th]
];

$fn = 100;

//use <pipe.scad>
//-------------------------------------------------------------------------------
// descr is a vector of vectors [inner_d, outer_d, height]
module pipe(descr, $fn=$fn) {
    function combine_descr(descr, i) =
        i == 0
            ? [[[descr[0][0], descr[0][2]]], [[descr[0][1], descr[0][2]]]]
            : let(p=combine_descr(descr, i-1), h=p[0][i-1][1]+descr[i][2])
                [concat(p[0], [[descr[i][0], h]]), concat(p[1], [[descr[i][1], h]])];

    function create_shape(descr) =
        let(c=combine_descr(descr, len(descr) - 1))
            concat(c[0], [for (i = [len(c[1])-1:-1:0]) c[1][i]]);

    rotate_extrude($fn=$fn)
        scale([0.5, 1]) // diameter -> radius
            polygon(create_shape(descr));
}
//-------------------------------------------------------------------------------

// print_part
pipe(descr);

```


[User]
I'd like to create a parametric OpenSCAD design that generates abstract, cubist-style sculptures. The basic idea is to build up layers of randomly positioned and sized cubes, with some options for controlling the overall look.

Here's what I'm thinking:

*   **Layers:** The sculpture should be built layer by layer, going up in the Z direction. I'd like to control the total number of layers.
*   **Cubes per Layer:** Each layer should have a random number of cubes, within a specified minimum and maximum.
*   **Cube Sizes:** Each cube should have a random size within a specified minimum and maximum range.
*   **Layer Spacing:** I need to be able to adjust the vertical distance between layers.
*   **Relative Cube Placement:** Each cube within a layer should be positioned relative to the *previous* cube in that layer. This should ensure the cubes are always touching and forming one big structure.
*   **Rotation:** I'd like a toggle to enable or disable a random rotation around the Z-axis for each cube.
*   **Color:** Each cube should be a random color.

Essentially, I'm looking to create a parametric version of the design in the attached SCAD file. I think the randomization and the ability to manipulate the parameters are really key here.

I don't need anything that requires additional libraries. Could you create an SCAD file for this, please?

[Assistant]
V3_randomcubismsculptureart.scad:
```
/* Random experimental art

By Julián Caro Linares

jcarolinares@gmail.com

CC-BY-SA

*/

//--Cubes

//--Rules
/*
    - Between 1 and 5 cube per "layer"
    -Layer distance (Z axe) must be lower than the cubes height
    -Relatives positions related to the last generated cube, always inside the area of the cube to ensure the fusion betweeen solids

*/

//Parameters
/* [Cube's sizes] */
//Min Size of a Cube
mincubesize=10;  // [0:1000]
//Max size of a Cube
maxcubesize=50; // [0:1000]
/* [Cubes per layer] */
//Min of cubes per layer
mincubeslayer=2; // [0:100]
//Max of cubes per layer
maxcubeslayer=5; // [0:100]
/* [Layer's parameters] */
//Number of layers
numberoflayers=10; //[0:100]
//Distance between layers (It must be equal or less than mincubesize)
distanceoflayers=10; // [0:100]
// Mode of rotated cubes
rotated_cubes="false"; // [false,true]

//Layer tree generator
for (layer =[0:1:numberoflayers-1])
{

//Random layer generator
//Get the number of cubes in this layer
cubesperlayer =round(rands(mincubeslayer,maxcubeslayer,1)[0]);
echo("Cubes per layer: ");
echo(cubesperlayer);

//Get the cubes sizes of the layer
cubessizes = rands(mincubesize,maxcubesize,cubesperlayer);
echo("Cubes sizes: ");
echo(cubessizes);

//If random sign is less than 0.5, then the number is negative
randomsign=rands(0,1,1);
echo("Randomsign: ");
echo(randomsign);

//Translation of the layer
translate([0,0,layer*distanceoflayers])
    {
//Layer construction
for (index =[0:1:cubesperlayer-1])
{
//cube(cubessizes[index]);

//Get the relative translation of the cubes based in the last cube generated
    if(index==0)
    {
        relativetranslationXY=rands(1,cubessizes[index],2);

        echo("Relative translation XY: ");
        echo(relativetranslationXY);

        translate([relativetranslationXY[0],relativetranslationXY[1],0])
        {
            randcolor=rands(0,1,3);

            //If we want to generated rotated cubes
            if(rotated_cubes=="true")
            {
                relativerotationZ=rands(0,360,1)[0];
                rotate([0,0,relativerotationZ])
                color(randcolor,a=1.0)
                cube(cubessizes[index]);
            }
            else
            {
                color(randcolor,a=1.0)
                cube(cubessizes[index]);
            }

        }
    }
    else
    {
        relativetranslationXY=rands(1,cubessizes[index-1],2);

        echo("Relative translation XY: ");
        echo(relativetranslationXY);

        translate([relativetranslationXY[0],relativetranslationXY[1],0])
        {
            randcolor=rands(0,1,3);

            //If we want to generated rotated cubes
            if(rotated_cubes==true)
            {
                relativerotationZ=rands(0,360,1)[0];
                rotate([0,0,relativerotationZ])
                color(randcolor,a=1.0)
                cube(cubessizes[index]);
            }
            else
            {
                color(randcolor,a=1.0)
                cube(cubessizes[index]);
            }
        }
    }
}

}

}
```


[User]
I want to design a custom keychain with a name on it. I'd like the design to be parametric, so I can easily change the name, font, and other dimensions. I'd like to use OpenSCAD to create the design, but I don't know how to write the code myself. Can you generate an OpenSCAD file for me?

Here are the specifics:

The design should include a text object for the name, which can be any text. I need to be able to change the font, letter spacing, and overall size of the text. The font should be selectable from any of the Google Fonts (or a similar large font library, if available). The letter spacing should be adjustable as a ratio of the original spacing.

I also need a circular ring at one end of the name to attach to a keyring. This ring should have adjustable diameter, thickness and offset from the first letter of the name. The ring should be created using difference of two cylinders. The keychain itself should have an adjustable thickness for the overall design.

I would like the design to use the `linear_extrude()` function for the text and have good convexity settings for proper rendering, so I can export this as an .stl file, for example.

Could you also provide an example with the name "ROMAIN" using the "Fontdiner Swanky" font, a letter spacing of 0.75, a ring diameter of 3mm, a ring thickness of 1.2mm, a ring offset of 1.5mm and keychain thickness of 4mm?

[Assistant]
Customized_Named_Keychain.scad:
```
// preview[view:south, tilt:top]

// The name to show
name="ROMAIN";

// Almost any font from https://fonts.google.com/
letter_font="Fontdiner Swanky";

// If the letter does not touch, try a lower letter_spacing value
letter_spacing=0.75; // [0:0.01:1.4]

// Diameter of the ring in mm
ring_diameter=3;

// Thickness of the ring
ring_thickness=1.2;

// Set an offset, so the ring is attached to the first letter
ring_offset=1.5;

// Keychain thickness
keychain_thickness=4;

ring_radius=ring_diameter/2;
// convexity is needed for correct preview
// since characters can be highly concave
linear_extrude(height=keychain_thickness, convexity=4)
                text(name, size=16,
                     font=letter_font,
                     halign="left",
                     valign="center",
                     spacing=letter_spacing);
 translate([ring_offset,1,0]) difference() {
     cylinder(keychain_thickness, ring_radius+ring_thickness, ring_radius+ring_thickness, $fn=50);
     translate([0,0,-0.5])
         cylinder(keychain_thickness+1, ring_radius, ring_radius, $fn=50);
 }
```


[User]
Hey! I'm trying to design a fidget toy that can use either a standard bearing or coins as counterweights. I've seen some designs out there, but I need a parametric model so I can customize it easily for different sized bearings and coins.

I'd like to be able to specify the following:

*   `diameterOfBearing`: The diameter of the bearing in millimeters.
*   `diameterOfCoin`: The diameter of the coin in millimeters. If I'm not using a coin, this will be the diameter of whatever I'm using as a counterweight.
*   `widthOfBearing`: The width of the bearing in millimeters.
*   `spaceDistance`: The gap between the bearing or counterweight and the main body of the toy, also in millimeters.

The design should generate a basic fidget toy body with two cylindrical holes, one on each side of a central body, to accommodate either the bearing or the coin. The distance between these two cylindrical holes should take the `spaceDistance` into account. The main body of the toy should be a cube with rounded edges; I don't need you to generate the rounded edges, but I want to be able to manipulate the length and width of the central body.

I'd also like for the cylinders that hold the bearing and the coin to have a small amount of extra space (around 1mm radius) to allow them to fit easily. I'd also like it if the holes extended further into the cube (around 4mm on each side) but not all the way through the cube.

I think that's everything. I don't need any specific libraries for this design. I'm really looking forward to seeing what you come up with!

[Assistant]
CustomizedBearing.scad:
```
/*
Written by Becky Button 11/2/16

This is a customizer script that allows the user to create a fidget toy using coins as counter wieghts. If you do not wish to use coins as counter wieght simply put the diameter of your bearing.
Assumptions:
    -The diameter is not zero
    -Dimensions are in millimeters
*/
/*
Standard coin diamters:
Quarter: 25mm
Dime:
Nickel:
Penny: 20mm

*/
//user variables begin
diameterOfBearing = 28;
diameterOfCoin = 40;
widthOfBearing = 2;
spaceDistance = 1;
//user variables end

halfLengthBase = (diameterOfBearing+spaceDistance*2+diameterOfCoin)*.5;

bearingRadius=.5*diameterOfBearing;
coinRadius=.5*diameterOfCoin;

//big coin
if(diameterOfCoin>diameterOfBearing)
    {
        difference()
        {
    union()
        {
        cube(size=[diameterOfCoin+2, 2*spaceDistance+diameterOfCoin+diameterOfBearing, widthOfBearing], center=true);

       translate([0, -halfLengthBase, -widthOfBearing*.5]) color([1,0,0])
        cylinder(h=widthOfBearing, r=coinRadius+1);

        translate([0, halfLengthBase, -widthOfBearing*.5]) color([0,1,0])
        cylinder(h=widthOfBearing, r=coinRadius+1);
}
translate([0, -halfLengthBase, -widthOfBearing*.5-4])
    cylinder(h=widthOfBearing+8, r=diameterOfCoin*.5);
translate([0, halfLengthBase, -widthOfBearing*.5 -4]) color([0,1,1])
cylinder(h=widthOfBearing+8, r=diameterOfCoin*.5);
cylinder(h=widthOfBearing+8, r=diameterOfBearing*.5, center=true);
    }
}
//big bearing
else{
    difference(){
        union(){
            cube(size=[diameterOfBearing+2, 2*spaceDistance+diameterOfBearing+diameterOfCoin, widthOfBearing], center=true);

            translate([0, -halfLengthBase, -widthOfBearing*.5]) color([1,0,0])
            cylinder(h=widthOfBearing, r=bearingRadius+1);

            translate([0, halfLengthBase, -widthOfBearing*.5]) color([0,1,0])
            cylinder(h=widthOfBearing, r=bearingRadius+1);
            }
    translate([0, -halfLengthBase, -widthOfBearing*.5-4])
        cylinder(h=widthOfBearing+8, r=diameterOfCoin*.5);
    translate([0, halfLengthBase, -widthOfBearing*.5 -4]) color([0,1,1])
    cylinder(h=widthOfBearing+8, r=diameterOfCoin*.5);
    cylinder(h=widthOfBearing+8, r=diameterOfBearing*.5, center=true);
        }
}

```


[User]
Hey, I'm looking for a parametric OpenSCAD design for a toothpaste squeezer. I've seen a couple designs online but I want one that I can easily adjust to fit different sized tubes. Here's the basic idea:

The squeezer will have a main body with a rectangular slit for the tube to slide through. The width of this slit should be configurable since tubes are different sizes. This main body needs to be rounded at one end like a half sphere, and then taper to a quarter sphere at the opposite end. There should also be a small fin that helps to press against the tube. The entire thing is basically a rectangle with some fancy rounding on the ends, with a cutout in the middle.

The specific dimensions I want to be configurable are:
*   `slit_length`: the length of the slit where the toothpaste tube goes
*   `slit_width`: the width of the slit for the tube
*   `total_height`: the total height of the main body
*  `wall_thickness`: the thickness of the main body walls
* `ball_diameter`: the diameter of the half sphere portion of the rounded end

The other parameters I'm okay with setting as constants, so you don't need to make them adjustable. Here are their constant values:
*   `fin_thickness`: 1.2
*   `fin_offset_x`: 2.2
*   `fin_offset_z`: 5
*   `fin_width_increase`: 1
*   `thumb_cutout_offset_x`: 15
*   `thumb_cutout_offset_z`: 13
*   `thumb_cutout_diameter`: 24

Could you please generate the OpenSCAD code for this? I’m not using any specific libraries, so please don't try to use anything external.

[Assistant]
squeezer.scad:
```
/*
 * Copyright © 2016 by Jarek Cora <jarek@stormdust.net>
 *
 * This work is licensed under the Creative Commons Attribution-NonCommercial 4.0 International License.
 */

// Marker for non-configurable values
function const(x) = x;

// Minimum angle of a fragment - circle has no more fragments than 360 divided by this number
$fa = const(1);
// The minimum size of a fragment
$fs = const(0.1);
// Workaround for CSG operations
eps = const(0.1);

// Needs to be slightly more then the width of your toothpaste tube. Default value works for most tubes.
slit_length = 60; // [40:1:100]

slit_l = slit_length;

// Values tested to be just right, no need to mess with them
wall_t = const(5);
ball_d = const(36);
slit_w = const(4);

total_h = const(12);
total_l = slit_l + 2 * wall_t;
total_w = 2 * wall_t + slit_w;

module fin(length, projected_width, thickness) {
  // Fin is rotated 45 degrees, so it is sqrt(2) times longer then its projected width.
  // Additionally it's edge is hald of a cylinder width diameters equal to thickness
  fin_width = (sqrt(2) * projected_width) - thickness / 2;

  rotate ([0, -45, 0]) {
    cube([fin_width, length, thickness], center = true);
    translate([fin_width / 2, 0, 0]) rotate ([90, 0, 0]) cylinder(h = length, d = thickness, center = true);
  }
}

module half_sphere(diameter) {
  difference() {
    sphere(d = diameter, center = true);
    translate([diameter / 2 ,0 ,0]) cube(diameter + eps, center = true);
  }
}

module quarter_sphere(diameter) {
  intersection() {
    sphere(d = diameter, center = true);
    translate([diameter / 2, 0, -diameter / 2]) cube(diameter + eps, center = true);
  }
}

difference() {
  union() {
    // Main body
    difference() {
      union() {
        translate([0, 0, -eps]) linear_extrude(height = total_h + eps) {
          offset (r = 1) square([total_w -2, total_l - 2], center = true);
        }
        half_sphere(ball_d);
        translate([0, 0, total_h]) quarter_sphere(0.85 * ball_d);
      }
      // Bottom cut-off
      translate([0, 0, -(ball_d / 2)]) cube([ball_d + eps, total_l, ball_d], center = true);
      // Slit
      cube([slit_w, slit_l, ball_d + eps], center = true);
    }
    // Fin
    translate ([-2.2, 0, 5])  fin(slit_l - 2, slit_w + 1, 1.2);
  }
  // Thumb cut-out
  translate([-15, 0, 13]) sphere(d = 24, center = true);
}

```