[User]
Okay, I'd like to design a parametric mini wrench in OpenSCAD, similar to the one I found on Thingiverse (http://www.thingiverse.com/thing:82067), but with a few tweaks and improvements.

The basic wrench design is a flat tool with a hexagonal opening on one end for a nut, and a handle extending from the other side. It's essentially a modified version of a design that I have seen before (http://www.thingiverse.com/thing:47842 and it in turn references http://www.thingiverse.com/thing:11647 and http://www.thingiverse.com/thing:4137). I want to make it customizable, so I can adjust the nut size, tool thickness, and overall length.

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

*   **Nut Size:** The size of the nut it's designed to fit, in millimeters. This determines the size of the hexagonal opening.
*   **Tool Height:** The thickness of the tool itself, in millimeters.
*   **Tool Length:** I'd like to specify the total length as a multiple of the nut diameter. So, if the nut diameter is 5mm, and I set the length to 10, the total length would be 50mm.
*  **Holding Cap:** I would like a boolean variable to determine whether the closed end of the wrench is designed to hold a nut in place, using a small cylindrical cutout.
*   **Text Message:** I want to be able to engrave a custom message on the tool. I'd like to control the actual string here, and have it be relatively short (max. 12 characters, for now).
*   **Font:** I would like to choose the font.

I want a hexagonal nut opening, and I also want a small amount of kerf built into the design, so the wrench actually fits the nut snugly but not too tight. I'd like it to be relatively high resolution, with the text engraved deeply. I also want to be able to choose the text font.

For libraries, I expect I will need to use `MCAD/shapes.scad` and `write/Write.scad`.

The main feature I'd like, that I haven't seen elsewhere, is the option for a holding cap. This will create a small cylindrical recess on the "handle" side to allow the user to capture a nut. The user can then position this nut easily, so it is held in place while screwing another screw/bolt in.

Could you create this parametric OpenSCAD file for me?

[Assistant]
mini_wrench_xifle.scad:
```
include <MCAD/shapes.scad>
include <write/Write.scad>

// Find this thing on thingiverse:
// http://www.thingiverse.com/thing:82067

//Derived from
//http://www.thingiverse.com/thing:47842

//which in turn derives from
//http://www.thingiverse.com/thing:11647
//http://www.thingiverse.com/thing:4137

// Enhancements:
// - Higher resolution
// - deeper engraving
// - kerf size tightened
// - lowered text height

//CUSTOMIZER VARIABLES
// preview[view:south east, tilt:top]

/* [Geometry] */

//Nut size in mm
Nut_Size = 5.5;

//Height (thickness) of tool
Tool_Height = 2.5;

//Length adjust for tool (In units of the Nut-diameter)
Tool_Length = 10;//[4:20]

// Has Holding Cap (Insert a nut to bring it to a specific position)
Has_holding_cap = 1; //[0:no,1:yes]

/* [Text] */

//(max 12 characters if using default tool lenght)
message = "My Wrench";

Font = "write/Letters.dxf";//["write/Letters.dxf":Basic,"write/orbitron.dxf":Futuristic,"write/BlackRose.dxf":Fancy]

//CUSTOMIZER VARIABLES END

$fs=0.1;

kerf = 0.3 + 0; //
D = Nut_Size + kerf; 	// DIAMETER OF NUT
M = D/2; 	// MARGIN
H = Tool_Height; 	// HEIGHT (THICKNESS) OF TOOL
Ltot = D * Tool_Length; 	// TOTAL LENGTH OF TOOL
Text_Height = Nut_Size*0.7 ;

// Length from Center of One Side to Center of Other Side
L = Ltot-2*(D/2+M);

rotate([0, 0, -45])

difference() {
	union() {

		if (Has_holding_cap == 1) {
			translate([0,L/2,0]) {
				cylinder(r=(D/2+M), h= 0.5);
			}

		}

		difference() {
			union() {
				translate([0,L/2,H/2]) {
					cylinder(r = (D/2+M), h = H,center = true);
				}
				translate([0,-L/2,H/2]) {
					cylinder(r = (D/2+M), h = H,center = true);
				}
				translate([-1*D/2,-L/2,0]) {
					cube([D,L,H], center=false);
				}

				if (Has_holding_cap == 1) {
					translate([0,L/2,H]) {
						cylinder(r=(D/2+M), h= 0.5);
					}
				}
			}
			translate([0,-L/2 - D / 4,H/2 - 1]) {
				rotate([0,0,30]) {
					hexagon(D, H + 4);
				}
			}
			translate([0,-L/2 - D - D / 4,H/2 - 1]) {
				cube([D,2*D,H + 2], center = true);
			}
			translate([0,L/2,H/2 - 1]) {
				rotate([0,0,30]) {
					hexagon(D, H + 4);
				}
			}
			translate([0, 0, H - .1]){
				rotate([0,0,90]) {
				write(message,t=.6,h=Text_Height,center=true,font=Font);
				}
			}
		}
	}

	if (Has_holding_cap == 1) {
		translate([0,L/2,H/2-1]) {
			cylinder(r=(Nut_Size-2)/2, h= H+2, center=true);
		}
	}
}
```


[User]
Okay, I'm looking for an OpenSCAD design for a personalized thermos accessory. I have an Oxo thermos, and I want a way to easily tell it apart from others, kind of like a name tag. I'd like it to wrap around the thermos and display my favorite donut flavor and my favorite coffee shop.

Here are the specifics:

1.  **Shape:** The main part should be a hollow cylinder that sits on the thermos. It should have a consistent inner diameter that matches the thermos near the base and a slightly larger outer diameter. The top and bottom of the hollow cylinder should be slightly beveled, so they are not a sharp edge, rather they should curve slightly. The inner diameter of the cylinder should grow from the bottom to the top and the outer diameter should grow at the same rate.

2. **Text:**
    *   I want two lines of text, both curved around the cylinder.
    *   The first line should display my favorite donut flavor. I should be able to customize this via a variable.
    *   The second line should display my favorite coffee shop. This should also be customizable with a variable.
    *   The donut flavor text should be closer to the top of the thermos, and the coffee shop text should be below it.
    *   The height of the letters for the donut flavor should be configurable via a variable.
    *   The height of the letters for the coffee shop should be configurable via a variable.

3.  **Customization:**
    *   I need variables for the donut flavor text, coffee shop text, the height of the donut flavor text, and the height of the coffee shop text.
    *   It should use a font from the `Write` library in OpenSCAD. I'd like the default font to be "orbitron.dxf", but I would like to be able to change it. So, it would be nice to have a variable for the font.
    * I'd like to be able to change the radius at the base of the thermos and the radius at the top of the thermos. These will affect the diameter of the internal and external cylinder.

4.  **Libraries:** I'd like this design to use the `Write` library for the text and include comments on what is being done.

Could you generate a parametric OpenSCAD file for this?

[Assistant]
cyl.scad:
```
use <write/Write.scad>
// preview[view: south, tilt:top diagonal]

Font = "write/orbitron.dxf";//["write/Letters.dxf":Basic,"write/orbitron.dxf":Futuristic,"write/BlackRose.dxf":Fancy]
favorite_donut="Boston Cream";
favorite_coffee_place="Starbucks";
height_of_donut_letters=10;//[5:12]
height_of_coffee_place_letters=8;//[5:12]
thermos();

module thermos(){

rad1=70.3/2;
rad2=76.88/2;
writecylinder(favorite_donut,[0,0,0],rad1+4,20,rotate=0, h=height_of_donut_letters, font=Font);
writecylinder(favorite_coffee_place,[0,0,-15],rad1+3,20,rotate=0, h=height_of_coffee_place_letters, font=Font);
difference(){
cylinder(r1=rad1+1.5,r2=rad2+1.5,h=40,$fn=128, center=true);
translate([0,0,0])
cylinder(r1=rad1,r2=rad2,h=41,$fn=128, center=true);
}
}
```


[User]
Okay, I'm looking to design a hayrack for my guinea pig cage. It needs to be able to clip onto the side of the cage, which is essentially a wall of a certain thickness. I want to be able to customize the dimensions so it fits my setup.

Here's what I'm envisioning:

*   **Mounting/Fixation:** It needs a clip-like mounting system that hooks over the cage wall.
    *   I want to be able to specify the thickness of the cage wall.
    *   The clip should include a wooden bar that is glued into place for additional grip and to create a small shelf.
    *   I need to control the height of the part of the clip that sits below the wall.

*   **Hayrack:** The hayrack portion itself should be a simple structure that holds hay.
    *   It needs to have a rounded lower corner.
    *   The main body of the rack should have a curved shape to keep the hay from falling out. The curved shape should be adjustable and should roughly match the shape shown in the example file, but I would like to adjust the radius and position of those curves.
    *   I need to control the overall height of the rack from the top of the cage wall mount down to the bottom of the rack.

*   **General Customization:**
    *   I need to be able to specify the thickness of the material for the whole structure
    *   I would like all major dimensions to be parameterized.
*   **Libraries:** I am not using any external libraries.

Could you generate an OpenSCAD file that meets these requirements? I’d like to be able to adjust:

*   `wall_width`: Thickness of the wall/cage the rack will mount on.
*   `bar_height`: Height of the wooden bar in the clip.
*   `bar_width`: Width of the wooden bar in the clip.
*  `fixation_height`: Height of the main section of the clip that sits below the wall.
*  `fixation_width`: The width of the various "tabs" on the clip.
*   `depth`: Overall thickness of the printed part.
*   `main_height`: Height from the top of the wall to the bottom of the rack.
*   `lower_curve_radius`: Radius of the rounded lower corner of the rack.
*   `lower_curve_center`: Position of the center of the rounded lower corner.
*    `inner_hook_center`: Position of the center of the inner hook.
*    `inner_hook_radius`: Radius of the inner hook.
*   `outer_hook_center`: Position of the center of the outer hook.
*   `outer_hook_radius`: Radius of the outer hook.
*   `hook_x`: The total width of the back of the rack body.
*   `hook_y`: The total height of the back of the rack body.

Essentially, I want the attached code, but parametric.

[Assistant]
hayrack.scad:
```
// Height from top of wall to bottom of hayrack
main_height = 95;

// Thickness of wall where rack will be mounted
wall_width = 20;

// Height of wooden bar
bar_height = 6;

// Width of wooden bar
bar_width = 6;

// Length of wooden bar fixation
fixation_height = 18;

// Thickness
depth = 5;

/* [Hidden] */
fixation_width=3;

module fixation () {
  linear_extrude(height=depth)polygon(points=[
	[0,0],
	[-wall_width,0],
   [-wall_width+0.8, -fixation_height],
   [-wall_width-fixation_width-bar_width-fixation_width,-fixation_height],
   [-wall_width-fixation_width-bar_width-fixation_width,-fixation_height+fixation_width],
   [-wall_width-fixation_width-bar_width-fixation_width/2, -fixation_height+fixation_width+fixation_width*0.25],
   [-wall_width-fixation_width-bar_width,-fixation_height+fixation_width],
   [-wall_width-fixation_width,-fixation_height+fixation_width], // Point 8
   [-wall_width-fixation_width,-fixation_height+fixation_width+bar_height],
   [-wall_width-fixation_width-bar_width-fixation_width/2,-fixation_height+fixation_width+bar_height],
   [-wall_width-fixation_width-bar_width-fixation_width,-fixation_height+fixation_width+bar_height+fixation_width/2],
   [-wall_width-fixation_width-bar_width-fixation_width,-fixation_height+fixation_width+bar_height+fixation_width],
   [-wall_width-fixation_width,-fixation_height+2*fixation_width+bar_height],
   [-wall_width-fixation_width,fixation_width],
   [0, fixation_width],
]);
}

module rack () {
  lower_curve_radius = 10;
  lower_curve_center = [fixation_width*1.8+lower_curve_radius,-main_height+16.8,0];
  inner_hook_center = [8.26,-main_height+78.97,0];
  inner_hook_radius = 72.18;
  outer_hook_center = [7.51, -main_height+74.03,0];
  outer_hook_radius = 74.41;

  hook_x = 81.7;
  hook_y = 69; //main_height - 26.2;

  linear_extrude(height=depth)polygon(points=[
	[0,fixation_width],
   [0,-main_height],
   [fixation_width*2,-main_height],
   [fixation_width*1.5,fixation_width]
]);

  intersection(){
    difference() {
      translate([0,-main_height,0])cube([hook_x, hook_y, depth]);

      translate([0,0,-0.5])translate(inner_hook_center)cylinder(r=inner_hook_radius,depth+1, $fn=80);
    }
    translate(outer_hook_center)cylinder(r=outer_hook_radius, depth, $fn=80);
  }
  translate(lower_curve_center)difference(){
    translate([-lower_curve_radius,-lower_curve_radius,0])cube([lower_curve_radius,lower_curve_radius,depth]);
    translate([0,0,-0.5])cylinder(r=lower_curve_radius, h=depth+1);
  }
}

fixation();
rack();
```


[User]
Okay, I'd like to design a parametric, one-piece hinged box that prints in place. I've been experimenting and have a working version, but I'd like to see if an AI can generate something similar, or potentially better, based on what I've learned and what I'm aiming for.

Here's what I'm looking for:

**Core Requirements:**

*   **One-Piece, Print-in-Place:** The entire box, including the lid and hinge, should print as a single piece without needing assembly. The hinge needs to be functional immediately after printing.
*   **Parametric:** I need to be able to easily adjust the dimensions of the box and the hinge via parameters in the OpenSCAD file.
*   **Rectangular Box:** The basic shape of the box should be rectangular.
*   **Hinged Lid:** The box should have a lid that's attached to the main box body via a hinge.
*   **Latch:** A simple latch mechanism should be included, and it should be integrated into the print-in-place structure. It doesn't need to be super complex. A simple tab and slot should suffice.
*   **Functional, non-Fusing Hinge:** The hinge needs to be reliable. I've found that the tolerances are tricky – it needs to be tight enough to function well but loose enough to not fuse during printing. This is a key area to focus on.
*   **Wall Thickness:** I need to be able to control the thickness of the walls of the box.
*   **Internal Volume:** It would be good to be able to quickly adjust the internal volume of the box through parameters, as opposed to recalculating internal dimensions using wall thickness.

**Specific Parameters I Need:**

*   `width`: Overall width of the box.
*   `depth`: Overall depth of the box.
*   `height`: Overall height of the box (when closed).
*   `wallThickness`: Thickness of the box walls.
*   `hingeOuter`: Outer diameter of the hinge barrel.
*   `hingeInner`: Inner diameter of the hinge barrel (for the pin).
*   `hingeInnerSlop`: Extra clearance around the hinge pin for free movement.
*  `hingeFingerSlop`: Clearance around the hinge fingers that mesh between the box and lid.
*  `fingerLength`: Length of the hinge fingers.
*   `fingerSize`: Width of each hinge finger.
*   `latchWidth`: Width of the latch mechanism.

**Notes on Hinge Design (from my experience):**

*   I've had good results using interleaved fingers on the hinge. The fingers from the box side and the lid side mesh together around a cylindrical hinge pin/rod.
*   The tolerances are critical, especially `hingeInnerSlop` and `hingeFingerSlop`. I've found that a small change in these values drastically affects whether the hinge fuses or moves freely. Start with something that's more likely to move freely, and then consider tighter fits if needed.

**Libraries:**

*   I haven't used any specific libraries so far, but I'm open to including them if it simplifies things and gives me more control. I'm familiar with the basics of OpenSCAD, but not with most libraries, so if you include them, please explain how they're used. If something like BOSL2 helps with the hinge design that would be great.

**Output:**

*   I'd like a single `.scad` file with all the code.

I'm looking for a clean, well-commented OpenSCAD file that is easy to customize and maintain. I'm comfortable with making minor changes myself after the initial generation if needed. I've also attached my previous code for reference. I'm not suggesting you use this code, but it may be useful.

[Assistant]
Hinged_Box.scad:
```
$fn = 100;
width = 40;
depth = 40;
height = 15;
wallThickness = 1.5;
hingeOuter = 7;
hingeInner = 4;
hingeInnerSlop = .4;
hingeFingerSlop = .4;
fingerLength = hingeOuter/1.65;
fingerSize = 6.5;
topFingerSize = fingerSize;
pos = -depth/2;
latchWidth = 8;
z = 0;

bottom();
top();

module bottom() {
	union() {
		// main box and cutout
		difference() {
			translate([-width - fingerLength, -depth/2, 0]) {
				cube([width,depth,height]);
			}

			translate([(-width - fingerLength) + wallThickness, -depth/2 + wallThickness, wallThickness]) {
				cube([width - (wallThickness * 2), depth - (wallThickness * 2), height]);
			}

			// latch cutout
			translate([-width - fingerLength + (wallThickness/2), (-latchWidth/2) - (hingeFingerSlop/2), wallThickness]) {
				cube([wallThickness/2 + .1, latchWidth + hingeFingerSlop, height]);
			}

		}

		//latch cylinder
		difference() {
			translate([-width - fingerLength + (wallThickness/2), -latchWidth/2, height - 1]) {
				rotate([-90,0,0]) {
					cylinder(r = 1, h = latchWidth);
				}
			}
			// front wall wipe
			translate([-width - fingerLength - 5, -depth/2,0]) {
				cube([5,depth,height]);
			}
		}

		difference() {
			hull() {
				translate([0,-depth/2,height]) {
					rotate([-90,0,0]) {
						cylinder(r = hingeOuter/2, h = depth);
					}
				}
				translate([-fingerLength - .1, -depth/2,height - hingeOuter]){
					cube([.1,depth,hingeOuter]);
				}
				translate([-fingerLength, -depth/2,height-.1]){
					cube([fingerLength,depth,.1]);
				}
				translate([0, -depth/2,height]){
					rotate([0,45,0]) {
						cube([hingeOuter/2,depth,.01]);
					}
				}
			}
			// finger cutouts

			for  (i = [-depth/2 + fingerSize:fingerSize*2:depth/2]) {
				translate([-fingerLength,i - (fingerSize/2) - (hingeFingerSlop/2),0]) {
					cube([fingerLength*2,fingerSize + hingeFingerSlop,height*2]);
				}
			}
		}

		// center rod
		translate([0, -depth/2, height]) {
			rotate([-90,0,0]) {
				cylinder(r = hingeInner /2, h = depth);
			}
		}
	}
}

module top() {
	union() {
		difference() {
			translate([fingerLength, -depth/2, 0]) {
				cube([width,depth,height - .5]);
			}

			translate([fingerLength + wallThickness, -depth/2 + wallThickness, wallThickness]) {
				cube([width - (wallThickness * 2), depth - (wallThickness * 2), height]);
			}

		}

		//latch
		translate([width + fingerLength - wallThickness - 1.5, (-latchWidth/2), 0]) {
			cube([1.5, latchWidth, height - .5 + 4]);
		}
		translate([width + fingerLength - wallThickness, -latchWidth/2, height - .5 + 3]) {
			rotate([-90,0,0]) {
				cylinder(r = 1, h = latchWidth);
			}
		}

		difference() {
			hull() {
				translate([0,-depth/2,height]) {
					rotate([-90,0,0]) {
						cylinder(r = hingeOuter/2, h = depth);
					}
				}
				translate([fingerLength, -depth/2,height - hingeOuter - .5]){
					cube([.1,depth,hingeOuter - .5]);
				}
				translate([-fingerLength/2, -depth/2,height-.1]){
					cube([fingerLength,depth,.1]);
				}
				translate([0, -depth/2,height]){
					rotate([0,45,0]) {
						cube([hingeOuter/2,depth,.01]);
					}
				}
			}
			// finger cutouts
			for  (i = [-depth/2:fingerSize*2:depth/2 + fingerSize]) {
				translate([-fingerLength,i - (fingerSize/2) - (hingeFingerSlop/2),0]) {
					cube([fingerLength*2,fingerSize + hingeFingerSlop,height*2]);
				}
				if (depth/2 - i < (fingerSize * 1.5)) {
					translate([-fingerLength,i - (fingerSize/2) - (hingeFingerSlop/2),0]) {
						cube([fingerLength*2,depth,height*2]);
					}
				}
			}

			// center cutout
			translate([0, -depth/2, height]) {
				rotate([-90,0,0]) {
					cylinder(r = hingeInner /2 + hingeInnerSlop, h = depth);
				}
			}
		}
	}
}

```


[User]
Okay, I'm looking to design a parametric box with a hinged lid and a simple but effective latching mechanism. I've been playing around with a design but I'd like a more robust, parametric version. I've been working with OpenSCAD and I'm looking for a scad file that I can tweak as needed for different box sizes.

Here are the key features I need:

*   **Basic Box Structure:** A rectangular box with a lid that's hinged along one of the longer sides. Both the box and the lid should have a consistent wall thickness. I'd like to specify the overall width, depth, and height of the box, as well as the wall thickness.
*   **Hinge Mechanism:** The hinge should be a cylindrical hinge with interlocking fingers/tabs along the hinge axis. I want to be able to specify:
    *   The outer and inner diameters of the hinge cylinder.
    *   The amount of slop (play) for both the inner cylinder fit and the finger clearances.
    *   The length of the fingers/tabs.
    *   The size of individual fingers/tabs.
*   **Latch Mechanism:** I'm aiming for a simple but secure latch. My current design uses a rotating hook with a cylinder that engages into a catch on the box, but the design should be able to be parametric for different latch widths and diameters.
    *   The latch should hook into a corresponding catch. I need to be able to specify:
        *   The overall width of the latch and its components
        *   The diameter of the latching cylinder.
    *   I also need to define slop in the latching cylinder, much like how the hinge has inner slop.
*   **Parametric Design:** I want to be able to easily adjust all the dimensions using variables at the top of the file. This includes overall box dimensions, wall thickness, hinge parameters, and latch parameters.
*   **Tolerance:** The design needs to include slop or tolerance for 3D printing. The hinge and latch should be designed with clearances to allow for smooth movement. I've included some values for this, and would like them to remain as variable to adjust if necessary.
*   **One-Piece Print:** The idea is to be able to 3D print the whole thing as one piece (with support).

Here's a summary of the specific variables I'd like to control:

*   `width`: Overall width of the box.
*   `depth`: Overall depth of the box.
*   `height`: Overall height of the box (including the lid).
*   `wallThickness`: Thickness of the box walls, lid, and latch parts.
*   `hingeOuter`: Outer diameter of the cylindrical hinge.
*   `hingeInner`: Inner diameter of the cylindrical hinge.
*   `hingeInnerSlop`: Clearance for the inner hinge cylinder.
*   `hingeFingerSlop`: Clearance for the hinge fingers.
*   `fingerLength`: Length of the hinge fingers.
*   `fingerSize`: Size of the hinge fingers.
*   `latchWidth`: Width of the latch.

I think that's everything. I am familiar with using OpenSCAD modules and I'm comfortable with that if it makes the design process easier. I'm not particularly tied to any specific library, although I do have experience using the `MCAD` library so if any of it's modules would be helpful then by all means. Can you generate a OpenSCAD (.scad) file for this box?

[Assistant]
Buckle_Box.scad:
```
$fn = 100;
width = 40;
depth = 40;
height = 15;
wallThickness = 1.5;
hingeOuter = 6;
hingeInner = 3;
hingeInnerSlop = .4;
hingeFingerSlop = .4;
fingerLength = hingeOuter/1.65;
fingerSize = 6.8;
topFingerSize = fingerSize;
latchWidth = 15;

bottom();
top();
bottomLatch();

module bottom() {
	union() {
		// main box and cutout
		difference() {
			translate([-width - fingerLength, -depth/2, 0]) {
				cube([width,depth,height]);
			}

			translate([(-width - fingerLength) + wallThickness, -depth/2 + wallThickness, wallThickness]) {
				cube([width - (wallThickness * 2), depth - (wallThickness * 2), height]);
			}
		}

		// new latch
		difference() {
		hull() {
				translate([-(fingerLength*2) - width,-latchWidth,height-2.25]) {
					rotate([-90,0,0]) {
						cylinder(r = hingeOuter/2, h = latchWidth*2);
					}
				}
				translate([-width - fingerLength, -latchWidth, height-hingeOuter-2.25]) {
					cube([.1, latchWidth * 2, hingeOuter]);
				}
				translate([-(fingerLength*2) -width, -latchWidth,height-2.25]){
						cube([fingerLength,latchWidth * 2,.1]);
					}
					translate([-(fingerLength*2) -width, -latchWidth,height-2.25]){
						rotate([0,-20,0]) {
							cube([hingeOuter-wallThickness,latchWidth*2,.01]);
						}
					}
			}
			translate([-(fingerLength*3) - width, -(latchWidth/2) - (hingeFingerSlop/2),0]) {
					cube([fingerLength*3, latchWidth + hingeFingerSlop,height*2]);
			}
		}
		// latch rod
		translate([-(fingerLength*2) -width, -latchWidth/2 - hingeFingerSlop, height-2.25]) {
			rotate([-90,0,0]) {
				cylinder(r = hingeInner /2, h = latchWidth + (hingeFingerSlop*2));
			}
		}

		difference() {
			hull() {
				translate([0,-depth/2,height]) {
					rotate([-90,0,0]) {
						cylinder(r = hingeOuter/2, h = depth);
					}
				}
				translate([-fingerLength - .1, -depth/2,height - hingeOuter]){
					cube([.1,depth,hingeOuter]);
				}
				translate([-fingerLength, -depth/2,height-.1]){
					cube([fingerLength,depth,.1]);
				}
				translate([0, -depth/2,height]){
					rotate([0,45,0]) {
						cube([hingeOuter/2,depth,.01]);
					}
				}
			}
			// finger cutouts

			for  (i = [-depth/2 + fingerSize:fingerSize*2:depth/2]) {
				translate([-fingerLength,i - (fingerSize/2) - (hingeFingerSlop/2),0]) {
					cube([fingerLength*2,fingerSize + hingeFingerSlop,height*2]);
				}
			}
		}

		// center rod
		translate([0, -depth/2, height]) {
			rotate([-90,0,0]) {
				cylinder(r = hingeInner /2, h = depth);
			}
		}
	}
}

module top() {
	union() {
		difference() {
			translate([fingerLength, -depth/2, 0]) {
				cube([width,depth,height - .5]);
			}

			translate([fingerLength + wallThickness, -depth/2 + wallThickness, wallThickness]) {
				cube([width - (wallThickness * 2), depth - (wallThickness * 2), height]);
			}

		}

		// new latch
		difference() {
			hull() {
					translate([(fingerLength*2) + width,-latchWidth,height/2]) {
						rotate([-90,0,0]) {
							cylinder(r = hingeOuter/2, h = latchWidth*2);
						}
					}
					translate([width + fingerLength, -latchWidth, 0]) {
						cube([.1, latchWidth * 2, hingeOuter]);
					}
					translate([fingerLength + width, -latchWidth,height/2]){
						cube([fingerLength,latchWidth * 2,.1]);
					}
					translate([fingerLength + width, -latchWidth,(height/2) + (hingeOuter/1.5)]){
						rotate([0,45,0]) {
							cube([hingeOuter,latchWidth*2,.01]);
						}
					}
			}
			translate([fingerLength + width, -(latchWidth/2) - (hingeFingerSlop/2),0]) {
					cube([fingerLength*2, latchWidth + hingeFingerSlop,height*2]);
			}
		}
		// latch rod
		translate([(fingerLength*2) + width, -latchWidth/2 - hingeFingerSlop, height/2]) {
			rotate([-90,0,0]) {
				cylinder(r = hingeInner /2, h = latchWidth + (hingeFingerSlop*2));
			}
		}

		difference() {
			hull() {
				translate([0,-depth/2,height]) {
					rotate([-90,0,0]) {
						cylinder(r = hingeOuter/2, h = depth);
					}
				}
				translate([fingerLength, -depth/2,height - hingeOuter - .5]){
					cube([.1,depth,hingeOuter - .5]);
				}
				translate([-fingerLength/2, -depth/2,height-.1]){
					cube([fingerLength,depth,.1]);
				}
				translate([0, -depth/2,height]){
					rotate([0,45,0]) {
						cube([hingeOuter/2,depth,.01]);
					}
				}
			}
			// finger cutouts
			for  (i = [-depth/2:fingerSize*2:depth/2 + fingerSize]) {
				translate([-fingerLength,i - (fingerSize/2) - (hingeFingerSlop/2),0]) {
					cube([fingerLength*2,fingerSize + hingeFingerSlop,height*2]);
				}
				if (depth/2 - i < (fingerSize * 1.5)) {
					translate([-fingerLength,i - (fingerSize/2) - (hingeFingerSlop/2),0]) {
						cube([fingerLength*2,depth,height*2]);
					}
				}
			}

			// center cutout
			translate([0, -depth/2, height]) {
				rotate([-90,0,0]) {
					cylinder(r = hingeInner /2 + hingeInnerSlop, h = depth);
				}
			}
		}
	}
}

module bottomLatch() {
	difference() {
		union() {
			hull() {
				translate([-(fingerLength *2) - width,-latchWidth/2,height-2.25]) {
					rotate([-90,0,0]) {
						cylinder( r = hingeOuter /2, h = latchWidth);
					}
				}
				translate([-fingerLength*2 - width,-latchWidth/2,height-hingeOuter-2.25]) {
					rotate([0,20,0]) {
						cube([.1,latchWidth,hingeOuter]);
					}
				}

			}
			translate([-fingerLength*2 - width -2.6 + hingeOuter/2 - wallThickness,-latchWidth/2,0]) {
				cube([2.5,latchWidth,height-4.5]);
			}
			// latch foot
			translate([-fingerLength*3 - width - 2.6,-latchWidth/2,0]) {
				cube([hingeOuter/2 + fingerLength,latchWidth,wallThickness]);
			}
			// latch cylinder catch
			translate([-fingerLength*3 - width + 1 - 2.6,-latchWidth/2,wallThickness]) {
				rotate([-90,0,0]) {
					cylinder(r = 1, h = latchWidth);
				}
			}
		}
		translate([-(fingerLength *2) - width,-latchWidth/2 - .1,height-2.25]) {
			rotate([-90,0,0]) {
				cylinder( r = hingeInner /2 + hingeInnerSlop, h = latchWidth + .2);
			}
		}
	}
}
```
Buckle_Box_v2.scad:
```
$fn = 100;
width = 40;
depth = 40;
height = 15;
wallThickness = 1.5;
hingeOuter = 7;
hingeInner = 3;
hingeInnerSlop = .5;
hingeFingerSlop = .4;
fingerLength = hingeOuter/1.65;
fingerSize = 6.8;
topFingerSize = fingerSize;
latchWidth = 15;

bottom();
top();
bottomLatch();

module bottom() {
	union() {
		// main box and cutout
		difference() {
			translate([-width - fingerLength, -depth/2, 0]) {
				cube([width,depth,height]);
			}

			translate([(-width - fingerLength) + wallThickness, -depth/2 + wallThickness, wallThickness]) {
				cube([width - (wallThickness * 2), depth - (wallThickness * 2), height]);
			}
		}

		// new latch
		difference() {
			hull() {
					translate([-(fingerLength*2) - width,-latchWidth,height-2.25]) {
						rotate([-90,0,0]) {
							cylinder(r = hingeOuter/2, h = latchWidth*2);
						}
					}
					translate([-width - fingerLength, -latchWidth, height-hingeOuter-2.25]) {
						cube([.1, latchWidth * 2, hingeOuter]);
					}
					translate([-(fingerLength*2) -width, -latchWidth,height-2.25]){
							cube([fingerLength,latchWidth * 2,.1]);
						}
						translate([-(fingerLength*2) -width, -latchWidth,height-2.25]){
							rotate([0,-20,0]) {
								cube([hingeOuter-wallThickness,latchWidth*2,.01]);
							}
						}
				}
			translate([-(fingerLength*3) - width, -(latchWidth/2) - hingeFingerSlop,0]) {
					cube([fingerLength*3, latchWidth + hingeFingerSlop * 2,height*2]);
			}
		}
		// latch rod
		translate([-(fingerLength*2) -width, -latchWidth/2 - hingeFingerSlop, height-2.25]) {
			rotate([-90,0,0]) {
				cylinder(r = hingeInner /2, h = latchWidth + (hingeFingerSlop*2));
			}
		}

		difference() {
			hull() {
				translate([0,-depth/2,height]) {
					rotate([-90,0,0]) {
						cylinder(r = hingeOuter/2, h = depth);
					}
				}
				translate([-fingerLength - .1, -depth/2,height - hingeOuter]){
					cube([.1,depth,hingeOuter]);
				}
				translate([-fingerLength, -depth/2,height-.1]){
					cube([fingerLength,depth,.1]);
				}
				translate([0, -depth/2,height]){
					rotate([0,45,0]) {
						cube([hingeOuter/2,depth,.01]);
					}
				}
			}
			// finger cutouts

			for  (i = [-depth/2 + fingerSize:fingerSize*2:depth/2]) {
				translate([-fingerLength,i - (fingerSize/2) - (hingeFingerSlop/2),0]) {
					cube([fingerLength*2,fingerSize + hingeFingerSlop,height*2]);
				}
			}
		}

		// center rod
		translate([0, -depth/2, height]) {
			rotate([-90,0,0]) {
				cylinder(r = hingeInner /2, h = depth);
			}
		}
	}
}

module top() {
	union() {
		difference() {
			translate([fingerLength, -depth/2, 0]) {
				cube([width,depth,height - .5]);
			}

			translate([fingerLength + wallThickness, -depth/2 + wallThickness, wallThickness]) {
				cube([width - (wallThickness * 2), depth - (wallThickness * 2), height]);
			}

		}

		// new latch
		difference() {
			hull() {
					translate([(fingerLength*2) + width,-latchWidth,height/2]) {
						rotate([-90,0,0]) {
							cylinder(r = hingeOuter/2, h = latchWidth*2);
						}
					}
					translate([width + fingerLength, -latchWidth, 0]) {
						cube([.1, latchWidth * 2, hingeOuter]);
					}
					translate([fingerLength + width, -latchWidth,height/2]){
						cube([fingerLength,latchWidth * 2,.1]);
					}
					translate([fingerLength + width, -latchWidth,(height/2) + (hingeOuter/1.5)]){
						rotate([0,45,0]) {
							cube([hingeOuter,latchWidth*2,.01]);
						}
					}
			}
			translate([fingerLength + width, -(latchWidth/2) - hingeFingerSlop,0]) {
					cube([fingerLength*2, latchWidth + (hingeFingerSlop * 2),height*2]);
			}
		}
		// latch rod
		translate([(fingerLength*2) + width, -latchWidth/2 - hingeFingerSlop, height/2]) {
			rotate([-90,0,0]) {
				cylinder(r = hingeInner /2, h = latchWidth + (hingeFingerSlop*2));
			}
		}

		difference() {
			hull() {
				translate([0,-depth/2,height]) {
					rotate([-90,0,0]) {
						cylinder(r = hingeOuter/2, h = depth);
					}
				}
				translate([fingerLength, -depth/2,height - hingeOuter - .5]){
					cube([.1,depth,hingeOuter - .5]);
				}
				translate([-fingerLength/2, -depth/2,height-.1]){
					cube([fingerLength,depth,.1]);
				}
				translate([0, -depth/2,height]){
					rotate([0,45,0]) {
						cube([hingeOuter/2,depth,.01]);
					}
				}
			}
			// finger cutouts
			for  (i = [-depth/2:fingerSize*2:depth/2 + fingerSize]) {
				translate([-fingerLength,i - (fingerSize/2) - (hingeFingerSlop/2),0]) {
					cube([fingerLength*2,fingerSize + hingeFingerSlop,height*2]);
				}
				if (depth/2 - i < (fingerSize * 1.5)) {
					translate([-fingerLength,i - (fingerSize/2) - (hingeFingerSlop/2),0]) {
						cube([fingerLength*2,depth,height*2]);
					}
				}
			}

			// center cutout
			translate([0, -depth/2, height]) {
				rotate([-90,0,0]) {
					cylinder(r = hingeInner /2 + hingeInnerSlop, h = depth);
				}
			}
		}
	}
}

module bottomLatch() {
	difference() {
		union() {
			hull() {
				translate([-(fingerLength *2) - width,-latchWidth/2,height-2.25]) {
					rotate([-90,0,0]) {
						cylinder( r = hingeOuter /2, h = latchWidth);
					}
				}
				translate([-fingerLength*2 - width,-latchWidth/2,height-hingeOuter-2.25]) {
					rotate([0,20,0]) {
						cube([.1,latchWidth,hingeOuter]);
					}
				}

			}
			translate([-fingerLength*2 - width -2.6 + hingeOuter/2 - wallThickness,-latchWidth/2,0]) {
				cube([2.5,latchWidth,height-4.5]);
			}
			// latch foot
			translate([-fingerLength*3 - width - 2.6,-latchWidth/2,0]) {
				cube([hingeOuter/2 + fingerLength,latchWidth,wallThickness]);
			}
			// latch cylinder catch
			translate([-fingerLength*3 - width + 1 - 2.6,-latchWidth/2,wallThickness]) {
				rotate([-90,0,0]) {
					cylinder(r = 1, h = latchWidth);
				}
			}
		}
		translate([-(fingerLength *2) - width,-latchWidth/2 - .1,height-2.25]) {
			rotate([-90,0,0]) {
				cylinder( r = hingeInner /2 + hingeInnerSlop, h = latchWidth + .2);
			}
		}
	}
}
```


[User]
Okay, I need a custom wheel spacer generator, and I'd like it to be parametric in OpenSCAD. I've already got a basic design in mind, but I'd like it improved and made more flexible.

The spacer needs to be a cylinder with a central hole, and optionally a tapered section on one side.  The main parameters should be:

*   **Outer Diameter (OD):** The overall diameter of the spacer.
*   **Inner Diameter (ID):** The diameter of the central hole.
*   **Taper Outer Diameter (Taper_OD):** The outer diameter of the tapered section, if present.
*   **Taper Inner Diameter (Taper_InnerD):** The inner diameter of the tapered section, if present (should be larger than the ID).
*   **Overall Thickness (Thickness):** The total thickness of the spacer, including the tapered section.
*   **Taper Thickness (Taper_Thickness):** The thickness of the tapered section.

The spacer should be designed such that it's a basic cylinder, then have the tapered section added to one face. Then the inner bore is subtracted from the whole thing, as well as the material removed by the taper.

I need a few improvements over what I've drafted:

1.  **Taper Optionality:**  I'd like the tapered section to be optional. If `Taper_Thickness` is set to 0 or undefined, there should be no taper, just a straight cylindrical spacer. This makes it more versatile.
2. **Unit Testing**: I'd also like the design to include basic unit tests. If I misconfigure a parameter, I would like an error to be thrown. For instance, OD should be greater than ID and Taper_OD should be greater than Taper_InnerD.
3.  **Chamfers**: I'd also like to be able to specify chamfers on the inner and outer edges of the cylinder, both on the main portion and the taper. I should be able to specify `Chamfer_Size` and `Chamfer_Segments`. If these are set to 0 or undefined, then there should be no chamfer.
4.  **Clear Comments**: Please make sure there are clear comments for all parameters and sections of the code.

I would like this done in native OpenSCAD, no external libraries needed.

[Assistant]
WheelSpacerCustomizer.scad:
```
// Outer Diameter
    OD = 72.1;
// Inner Diameter
    ID = 57.1;
// Taper's Outer Diameter
    Taper_OD = 77;
// Taper's Inner Diameter
    Taper_InnerD = 64;
// Overall Thickness
    Thickness = 9.5;
// Taper Thickness
    Taper_Thickness = 3;

module WheelSpacer (OD, ID, Taper_OD, Taper_InnerD, Thickness, Taper_Thickness)
{
difference()
{
	union()
	{
		cylinder(h = Thickness, r = OD/2, $fn= 128);
		cylinder(h = Taper_Thickness, r1 = Taper_OD/2, r2= OD/2, $fn = 128);
	}
	translate([0,0,-0.5]) cylinder(h = Thickness+1, r = ID/2, $fn = 128);
	cylinder(h = Taper_Thickness, r1 = Taper_InnerD/2, r2 = ID/2, $fn = 128);
}

}

WheelSpacer(OD, ID, Taper_OD, Taper_InnerD, Thickness, Taper_Thickness);
```


[User]
Okay, I have a 3D printing question. I've got a spool of filament with a large center hole, and I want to mount it on a rod that's much thinner than the spool's hole. I've seen some designs for adapter pieces that fit inside the spool and around the rod, but I'd like to generate something custom.

I need a design for two identical, symmetric adapter pieces. Each piece should have the following features:

*   **Spool Interface:** A cylindrical section that fits snugly inside the spool's center hole. I need to be able to specify the diameter of this hole and the depth of the adapter that goes into the spool.
*   **Axel Interface:** A hole in the center of the adapter to fit the axel. I need to be able to specify the diameter of this hole.
*   **Spacer:** There should also be an optional spacer section that extends outwards from the spool interface. This can help center the spool on the axel and prevent the adapters from sliding too far into the spool.  I'd like to specify both the height of this spacer and its diameter (which could be wider or the same width as the spool interface). If the spacer height is set to 0, the spacer will not exist.
*   **Bearing Spacing:** There should be a settable distance between the two bearing interfaces when they're mounted on an axel.
*   **Symmetry:** The two adapters should be mirror images of each other.

I would also like the design to be parametric, so I can easily adjust the dimensions. I'd like the following parameters exposed so I can modify them:

*   `spool_hole_diameter`: The diameter of the spool's center hole (in mm).
*   `spool_hole_depth`: The depth that the adapter goes into the spool hole (in mm).
*   `axel_diameter`: The diameter of the axel the spool will be mounted on (in mm).
*   `spacer`: The height of the spacer section of the adapter (in mm). If set to 0, no spacer should be created.
*   `spacer_diameter`: The diameter of the spacer section (in mm). This can be larger or the same size as the spool interface.
*   `separation`: The minimum distance between the two adapter pieces when mounted on the axel (in mm).

Could you generate an OpenSCAD file that does this? I would like the file to use only basic primitives and simple transformations.

[Assistant]
custom_spool_adapter_v2.scad:
```
//design and code by emanresu (http://www.thingiverse.com/Emanresu)
//Generates two symmetric spool bearings/axel adapters/what have you
//spacer can be used to center the spool on a specific axel,
//or to simply keep the bearing/axel adapter from sliding into the spool

//CUSTOMIZER VARIABLES

//diameter of spool hole (mm)
spool_hole_diameter=31.5;

//distance bearing sticks into spool hole (mm)
spool_hole_depth=15;

//diameter of the axle (mm)
axel_diameter=10.4;

//height of spacer (mm) (useful for centering a spool)
spacer=12.7;
//e.g. 0 = no spacer; 10 = a 10mm extension of a wider diameter

//extra diameter of spacer (mm)
spacer_diameter=10;
//(e.g. 0 = spool_hole_diameter; 10 = spool_hole_diameter + 10)

//closest distance between bearings on platform (mm)
separation=2;

/* [Hidden] */

//set openSCAD resolution
$fa=1;
$fs=1;

  //////////////////
 // Control Code //
//////////////////

//Right bearing
translate([-spool_hole_diameter/2-5-separation/2, 0, 0]) {
	difference() {
		union() {
			//spacer/end cap
			cylinder(r=spool_hole_diameter/2+5, h=spacer, center=false);
			//spool contact
			translate([0, 0, spacer]) cylinder(r=spool_hole_diameter/2, h=spool_hole_depth/2, center=false);
		}
		//axel hole
		translate([0, 0, -1]) cylinder(r=axel_diameter/2, h=(spacer+spool_hole_depth/2+2), center=false);
	}
}

//Left bearing
translate([spool_hole_diameter/2+5+separation/2, 0, 0]) {
	difference() {
		union() {
			//spacer/end cap
			cylinder(r=spool_hole_diameter/2+5, h=spacer, center=false);
			//spool contact
			translate([0, 0, spacer]) cylinder(r=spool_hole_diameter/2, h=spool_hole_depth/2, center=false);
		}
		//axel hole
		translate([0, 0, -1]) cylinder(r=axel_diameter/2, h=(spacer+spool_hole_depth/2+2), center=false);
	}
}

```


[User]
Okay, I've been playing around with some lithophane generators, and I really like the idea of a polygonal frame like the one in "uploads-12-c4-26-17-3d-lithophaneV2.scad". I want to create a new version with even more flexibility.

Here's what I'm looking for:

**Core Functionality:**

*   **Image Loading:** I need to be able to load a 2D grayscale image (like a .dat file or similar that OpenSCAD's `surface()` function can use). The image should be stretched to fit within the frame, similar to how the example works. The image should be able to be rotated and scaled independently of the frame.
*   **Lithophane Generation:**  The image data will be converted to a 3D surface using the `surface()` function, with the height of the surface determined by the grayscale value in the image. This should be a standard lithophane creation process. The lithophane should have a base that provides some thickness, just like in the example.
*   **Polygonal Frame:** Instead of a fixed number of sides, I want a variable-sided polygon for the frame. I'd like to specify the number of sides. The frame should also have adjustable thickness.
*   **Mounting Hole:** Similar to the example, I want a mounting hole near the top of the frame. I'd like to be able to control the position (angle) and size of this hole.
* **Frame Customization:** I'd like to be able to specify the overall size of the frame, in terms of diameter of a circle it circumscribes, and specify its thickness.
* **Layer Height Control**: I'd like to specify the printing layer height, and number of layers, similar to the existing code. The base should always be 2 layers high.

**Parameters I'd like to control:**

*   `image_file`: The path to the image file.
*   `image_angle`: Rotation of the image within the frame (in degrees).
*   `image_scale_x`: Scaling factor for the image in the x-direction.
*   `image_scale_y`: Scaling factor for the image in the y-direction.
*   `frame_sides`: Number of sides for the polygon frame.
*   `frame_thickness`: Thickness of the frame (extrusion height)
*   `frame_diameter`: Diameter of the circle which circumscribes the polygon frame.
*   `hole_diameter`: Diameter of the mounting hole.
*   `hole_angle`: Angle (in degrees, relative to the center of the frame) where the hole will be placed. 0 degrees is the 'top' or 'north' of the circle in a normal polar coordinate system.
*  `layer_height`: Layer height for the lithophane printing.
* `number_of_layers`: Number of layers for the lithophane image data.

**How it should work:**

The script should first create the lithophane image data, then create the frame. The frame should be made of a union of the polygonal base (circumscribed around the lithophane), a base ring for support, and a mounting hole.

**Libraries:**

I don't think I need any special libraries for this, but please let me know if you think it would make things easier.

Could you generate a parametric OpenSCAD file that does all of this?

[Assistant]
uploads-12-c4-26-17-3d-lithophaneV2.scad:
```
// preview[view:south, tilt:top]

// Lithophane V2 with different frame types
// Original script made by Makerbot (http://www.thingiverse.com/thing:74322)
// Modified by Carlosgs (http://carlosgs.es)

/* [Image] */

// Load a 150x150 pixel image.(images will be stretched to fit) Simple photos work best. Don't forget to click the Invert Colors checkbox!
image_file = "image-surface.dat"; // [image_surface:150x150]

/* [Adjustments] */

hole_diameter = 10;

image_angle = 0; // [0:360]

frame_side_number = 6; // [3:50]

// What layer height will you slice this at?  The thinner the better.
layer_height = 0.2;

// The lower the layer height, the more layers you can use.
number_of_layers = 15; // [5:20]

/* [Hidden] */

length = 100;
width = 100;
// base (white) will always be 2 layers thick
min_layer_height = layer_height*2;
hole_radius = hole_diameter/2;
height = layer_height*number_of_layers;

union() {
  // take just the part of surface we want
intersection() {
  difference() {
    rotate([0,0,image_angle]) translate([0, 0, min_layer_height]) scale([100/150,100/150,height]) surface(file=image_file, center=true, convexity=5);
    translate([0,0,-(height+min_layer_height)]) linear_extrude(height=height+min_layer_height) square([length, width], center=true);
  }
    rotate([0,0,90])
      cylinder(r=length/2,h=height*2,$fn=frame_side_number);
}
  //linear_extrude(height=layer_height*2) square([length+4, width+4], center=true);
  linear_extrude(height=layer_height*2)
    rotate([0,0,90])
      circle(r=(length+4)/2, center=true, $fn=frame_side_number);

  linear_extrude(height=height+min_layer_height){
	  difference(){
		union(){
	     rotate([0,0,90])
          circle(r=(length+4)/2, center=true, $fn=frame_side_number);
		  translate([0, width/2+hole_radius+2, 0])
		    circle(r=hole_radius+5);
		}
	    union(){
	     rotate([0,0,90])
          circle(r=length/2, center=true, $fn=frame_side_number);
		  translate([0, width/2+hole_radius+2, 0])
	        circle(r=hole_radius);
	    }
	  }
  }
}

```


[User]
Okay, I'm looking to create a more flexible and parametric version of the hinge design I have. Right now, I have a demo script (`hingedemo.scad`) that shows the basic idea, but it's hard to tweak and re-use without directly editing the code.

Here's a breakdown of what I want:

**Core Design:**

The hinge is based on interlocked "fingers." Some fingers are narrow and have conical pins (male), and others are wider and have conical hollows (female) that the pins fit into. This creates the hinge joint. The goal is a hinge that can rotate between 90 degrees and 180 degrees. The conical pin and socket design is important; it's what allows the clean rotation between those two positions without binding. It's also quite printable. There should not be any overhangs exceeding 45 degrees in the final printed result.

**Current Limitations:**

*   The current `hingedemo.scad` uses a fixed scale factor for the entire design.
*   The gaps between parts are calculated as percentages rather than independent dimensions.
*   It's not very convenient to adjust the hinge dimensions, pin size, and other parameters.

**Desired Functionality:**

I need a fully parametric OpenSCAD design for this hinge. Here’s what I’m envisioning:

1.  **Main Parameters:**
    *   `hinge_diameter`: Overall diameter of the hinge mechanism. This should drive the overall size of the hinge. This is equivalent to `hinge_dia` in the original design, in 0.01mm units
    *   `hinge_length`: Total length of the hinge along the hinge axis.
    *   `hinge_gap`: The clearance gap between parts, in 0.01mm units (similar to `hinge_gap`).
    *   `num_fingers`: The number of narrow/wide finger pairs. Must be an integer > 1.
    *   `finger_width_ratio`: The ratio of the wide fingers to narrow fingers (e.g., if this is 2, wide fingers are twice as wide). This should allow for the total width of the fingers to expand or contract in relation to the diameter.
    *   `pin_height_ratio`: The height of the conical pins relative to the hinge thickness. This should also scale with the hinge diameter.
    *   `pin_diameter_ratio`: The diameter of the base of the conical pin relative to the diameter of the hinge.
    *   `hinge_thickness`: (New parameter) The overall thickness of the hinge plates.
    * `plate_thickness`: (New parameter) The thickness of the backing plates that form the top and bottom of the hinge structure.

2.  **Modular Design:**
    *   The design should be modular, with clear functions or modules for the following:
        *   The basic conical pin/socket part.
        *   The narrow and wide finger shapes.
        *   The overall hinge assembly.
    * This will make it easier to adjust individual elements and to compose larger hinge structures.

3.  **Calculated Dimensions:**
    *   All sizes and dimensions should be automatically calculated based on these parameters. The clearance gap, for example, should not be a percentage of a diameter, but rather an independent length.
    * The conical pin shape and socket should be calculated so that there is 100% contact along the pin, from base to tip, during operation.
    * The conical pins should never be taller than the plate thickness.

4.  **Printability:**
    *   The design should be optimized for 3D printing and should avoid overhangs that exceed 45 degrees to avoid printing supports. The conical pin/socket design from the existing demo satisfies this.
    *   Reasonable tolerances should be incorporated for a smooth, but not loose, hinge.

5.  **Libraries:**
     * I'd like to use the `BOSL` library for any functionality it provides that will make this design more robust, more flexible, and easier to parameterize. I have used it in the past and am comfortable with it.

**Output:**
I would like the final result to be a single `.scad` file.

Basically, I want to take the core principle of the attached hinge demo, and create a fully parametric OpenSCAD model that I can use for a variety of projects, all while relying on the `BOSL` library.

Could you help me with this?

[Assistant]
hingedemo.scad:
```
// What diameter or thickness should the hinge have (in 0.01 mm units)?
hinge_dia = 635; // [1:5000]

// How much gap should be left between separate parts (in 0.01 mm units)?
hinge_gap = 40; // [1:2000]

$fn = 90;

module hingepair() {
	union() {
		cylinder(h=0.25, r=0.5);
		translate([0,0,0.25]) cylinder(h=0.25, r1=0.5, r2=0.25);
		translate([0,0,1]) cylinder(h=0.25, r1=0.25, r2=0.5);
		translate([0,0,1.25]) cylinder(h=0.25, r=0.5);
	}
}

module hingecore(gap) {
	union() {
		difference() {
			union() {
				cylinder(h=1.5, r=0.5);
				translate([-0.5,0,0.25+gap])
					cube(size=[1,1,1-gap-gap]);
				translate([0,-0.5,0.25+gap])
					cube(size=[0.5,0.5,1-gap-gap]);
			}
			translate([0,0,0.25+gap-0.5]) cylinder(h=0.75, r1=1, r2=0.25);
			translate([0,0,1-gap]) cylinder(h=0.75, r1=0.25, r2=1);
		}
		translate([-0.5,0.5+gap,0])
			cube(size=[1,0.5-gap,1.5]);
	}
}

module hingeedge(gap) {
	union() {
		hingepair();
		translate([-0.5,-1,0])
			cube(size=[1,0.5-gap,1.5]);
		translate([-0.5,-1,0])
			cube(size=[1,1,0.25]);
		translate([-0.5,-1,1.25])
			cube(size=[1,1,0.25]);
		translate([0,0,1.25])
			cube(size=[0.5,0.5,0.25]);
		translate([0,0,0])
			cube(size=[0.5,0.5,0.25]);
	}
}

module hinge(thick, realgap) {
	hingeedge(realgap / thick);
	hingecore(realgap / thick);
}

module demo(t, rg) {
	scale([t,t,t])
	translate([-2.75,0,0.5])
	rotate(a=[0,90,0])
	union() {
		hinge(t, rg);
		translate([0,0,1.25]) hinge(t, rg);
		translate([0,0,2.5]) hinge(t, rg);
		translate([0,0,3.75]) hinge(t, rg);
		translate([-0.5,1,0]) cube(size=[1,2,5.25]);
		translate([-0.5,-3,0]) cube(size=[1,2,5.25]);
	}
}

demo(hinge_dia/100, hinge_gap/100);

```


[User]
Okay, I need help designing a honey spoon in OpenSCAD, and I'm looking for something parametric so I can easily adjust it for my Printrbot Jr. I've seen some designs, but I want to make one from scratch.

Here's what I'm envisioning:

*   **Spoon Head:**
    *   It should have a sort of fanned or twisted head, not a simple bowl shape.  I'd like to control the height of the spoon head, the amount of twist along that height, the radius of the head and the "fan" size.  Think of it like a series of flat, fanned polygons stacked and twisted.
    *   I want to be able to control the overall height of this fanned part, its twist, the radius, and the length of the fan. So parameters for height, twist angle, radius, and fan length (how far the polygon extends from the radius) are needed.
    * I want a rounded fan, I do not know how to do that, I just know I want the fan on the spoon to be rounded and not sharp.
*   **Handle:**
    *   The handle should be cylindrical and connect to the base of the spoon head.
    *   I need to control both the length of the handle and its radius. It should have a rounded tip as well.
    *   The handle length will be from the base of the spoon and should extend away from the spoon.
    *   The handle should smoothly connect to the bottom of the spoon head. I'd like the handle's connection to the bottom of the spoon to be completely smooth and not have any harsh angles or corners.

*   **Overall:**
    *   The overall design should be made up of two main modules: one for the fanned spoon head and another for the cylindrical handle.
    *   I need parameters for all the dimensions described above: spoon height, spoon twist angle, spoon radius, spoon fan length, handle height, and handle radius. I also need to be able to change how many sides the polygons will have.
    *   I'd also like the final rendering to be smooth so I don't see the polygon edges.

I need the code to be efficient, easy to read and modify. I would prefer to not use any external libraries, but if you feel it's beneficial, please let me know which ones you're using. I don't use external libraries, but If you are going to include a library please make sure to call out the name of that library so I can make sure I install it correctly.

[Assistant]
honey_spoon.scad:
```

//Spoon part height
spoon_height = 20; // [5:50]

//Spoon twist
spoon_twist = 45; // [0:720]

//Spoon radius
spoon_radius = 10; // [5:50]

//Spoon fan size
spoon_fan = 2.5;

//Handle_height
handle_height = 60; // [5:200]

//Handle radius
handle_radius = 5; // [1:50]

/* [Hidden] */
handle_height_t= spoon_height+handle_height;
$fn=60;

module spoon() {

 union() {
	linear_extrude(height=spoon_height, twist=spoon_twist) {
		polygon(points=[[0,0],[spoon_radius,0],[spoon_radius,spoon_fan],[0,spoon_fan]]);
		rotate([0,0,30]) polygon(points=[[0,0],[spoon_radius,0],[spoon_radius,spoon_fan],[0,spoon_fan]]);
		rotate([0,0,60]) polygon(points=[[0,0],[spoon_radius,0],[spoon_radius,spoon_fan],[0,spoon_fan]]);
		rotate([0,0,90]) polygon(points=[[0,0],[spoon_radius,0],[spoon_radius,spoon_fan],[0,spoon_fan]]);
		rotate([0,0,120]) polygon(points=[[0,0],[spoon_radius,0],[spoon_radius,spoon_fan],[0,spoon_fan]]);
		rotate([0,0,150]) polygon(points=[[0,0],[spoon_radius,0],[spoon_radius,spoon_fan],[0,spoon_fan]]);
		rotate([0,0,180]) polygon(points=[[0,0],[spoon_radius,0],[spoon_radius,spoon_fan],[0,spoon_fan]]);
		rotate([0,0,210]) polygon(points=[[0,0],[spoon_radius,0],[spoon_radius,spoon_fan],[0,spoon_fan]]);
		rotate([0,0,240]) polygon(points=[[0,0],[spoon_radius,0],[spoon_radius,spoon_fan],[0,spoon_fan]]);
		rotate([0,0,270]) polygon(points=[[0,0],[spoon_radius,0],[spoon_radius,spoon_fan],[0,spoon_fan]]);
		rotate([0,0,300]) polygon(points=[[0,0],[spoon_radius,0],[spoon_radius,spoon_fan],[0,spoon_fan]]);
		rotate([0,0,330]) polygon(points=[[0,0],[spoon_radius,0],[spoon_radius,spoon_fan],[0,spoon_fan]]);
		rotate([0,0,60]) polygon(points=[[0,0],[spoon_radius,0],[spoon_radius,spoon_fan],[0,spoon_fan]]);
	}

}

}

module holder() {
union() {
cylinder(h=handle_height_t,r=handle_radius);
translate([0,0,handle_height_t]) sphere(r=handle_radius);
}
}

union() {
spoon();
holder();
}

```


[User]
Okay, I'm looking to create a parametric cutter that I can use for things like cookies or cake. I want a base shape that's a polygon, but I also want the *cutting* edge to be that same polygon, just a bit smaller. So, imagine a cookie cutter where there's a raised wall that does the cutting, and then a flat part on the bottom to press down on the dough.

Here are the things I want to control:

*   **Number of sides on the polygon:** I'd like a parameter to adjust this, and I'm thinking a reasonable range would be from 5 sides up to 20 sides.
*   **Height of the cutting wall:** This should also be adjustable, maybe from 5mm to 50mm high?
*   **Radius of the inner (cutting) polygon:** I need to be able to change this, too; maybe 5mm to 100mm would cover it?
*   **Thickness of the cutting wall:** This will determine how sturdy the cutter is, so I'd need to control that, perhaps from 1mm to 10mm.
*   **Height of the flat base:** This is the part that helps push the dough out, so maybe 0 to 10mm would be a good range.

I'd like the code to generate two things, effectively. First, it needs to make the overall shape -- that's the polygon with the base and the wall. Then it needs to subtract out a slightly smaller, but taller, version of that same polygon to create the cut out.

I'm not trying to do anything too fancy, but I'd like the code to be well-commented so I can understand what's going on and also make any tweaks later on. I think it's important for this to be a single file, and I don't need to include any special libraries like MCAD or anything like that.

[Assistant]
cutter_polygon.scad:
```
//Polygon sides
polysides=6; // [5:20]

//Height of cutter
cutterheight=30; // [5:50]

//Radius of inner cutter
cutterradius = 40;// [5:100]

//Wall thickness
wallthick = 3; // [1:10]

//Base height
baseheight = 5; // [0:10]

/* [Hidden] */
$fn=60;
cutterradius_o = cutterradius+wallthick;

difference() {
	union() {

		linear_extrude(height=cutterheight) circle(r=cutterradius_o,$fn=polysides);

		cylinder(h=baseheight,r=cutterradius_o);
	}

translate([0,0,-10]) linear_extrude(height=cutterheight+20) circle(r=cutterradius,$fn=polysides);

}

```


[User]
Okay, I need a parametric OpenSCAD design for a simple clip. I've already created a basic version, and I'll provide that for context, but I want the new one to be more flexible and allow for a few more parameters.

Here's what I have currently:

```
// How many mm thick the clip is
ClipThick = 3;
//How many mm of gap
ClipGap = 5;
//How many mm tall the clip is
ClipHeight = 20;
//How many mm long the clip is
ClipLength = 7.5;

module Clip (Thickness, Gap, Height, Length)
{
	difference()
	{
	cube([Gap+2*Thickness, Length, Height]);
	translate([Thickness, 0-0.5, Thickness]) cube([Gap, Length+1, Height-Thickness+1]);
	}
}

Clip (ClipThick, ClipGap, ClipHeight, ClipLength);
```

This code creates a clip that is essentially a rectangular prism with a smaller, offset prism subtracted from it to create a channel or gap.

Here are the parameters I need to be able to control:

*   **Clip Thickness:** The thickness of the material used to make the clip, currently `ClipThick`.
*   **Clip Gap:** The width of the gap or channel in the clip, currently `ClipGap`.
*   **Clip Height:** The overall height of the clip, currently `ClipHeight`.
*   **Clip Length:** The length of the clip (the dimension parallel to the channel), currently `ClipLength`.

Additionally, I'd like these extra parameters:

*   **Chamfer Radius:** I want to be able to add a chamfer to the *top* edges of the clip. So, the four edges along the top of the clip (where it is `ClipHeight` tall) should have chamfers. This should be a parameter controlling the radius of the chamfer.
*   **Rounding Radius:** I want to be able to add a rounding to the *bottom* edges of the clip. So, the four edges along the bottom of the clip (where it is at z=0) should have a radius added. This should be a parameter controlling the radius of the rounding.
*   **Leg Angle:** I want to be able to add an angle to the legs of the clip (the area below the gap). This angle should be able to point inwards toward the center, or outwards away from the center. This parameter should control the angle of these leg slopes.
*   **Leg Length:** I want to be able to modify the length of the legs. This should be the distance from the bottom of the gap to the lowest point of the leg (before the round).

I'd like to make sure this is flexible enough to where if either radius is set to zero, no rounding or chamfer is created.

I'd prefer to implement this in a single module, named `parametricClip`, so that I can use it in multiple parts.

Finally, I am not using any external libraries, so there is no need for any extra includes.

[Assistant]
Clip.scad:
```
// How many mm thick the clip is
ClipThick = 3;
//How many mm of gap
ClipGap = 5;
//How many mm tall the clip is
ClipHeight = 20;
//How many mm long the clip is
ClipLength = 7.5;

module Clip (Thickness, Gap, Height, Length)
{
	difference()
	{
	cube([Gap+2*Thickness, Length, Height]);
	translate([Thickness, 0-0.5, Thickness]) cube([Gap, Length+1, Height-Thickness+1]);
	}
}

Clip (ClipThick, ClipGap, ClipHeight, ClipLength);
```


[User]
Okay, I'd like to design a customizable robot toy where the head can display any letter. I have an existing robot model ("AstroBotM_010.stl") that I'd like to use as a base, and I want to add a spherical head with a letter on it, either embossed or engraved.

Here's what I need:

1.  **Base Model:** Use the provided "AstroBotM_010.stl" file as the base body of the robot.

2.  **Spherical Head:** Add a sphere to the top of the robot's body.  The sphere should be centered at approximately [3,-2.25,12.25]. The sphere radius should be 11.

3.  **Letter Customization:**  I need to be able to specify a single letter that will be displayed on the sphere.  It should be a parameter that I can set. I should be able to set the font as well.  I would like it to utilize the `Write.scad` file that I am providing to add the letters.

4.  **Embossed or Engraved:**  I'd like to be able to choose whether the letter is embossed (protruding out from the sphere) or engraved (cut into the sphere). This should also be a parameter.

5. **Font Selection** I need to be able to choose from several fonts. I am providing `Write.scad` with several font options, but I'd like it to be a parameter

The `Write.scad` file handles the text generation on the sphere as well as font selection. It has the following functionality:

*   **Writesphere module:**  This module takes text, location, radius, and several other parameters to place text on a sphere.  It also handles the embossed or engraved selection, but needs to be called in a specific way in the main script. The key parameters I need to pass are `text`, `where`, `radius`, `north`, `east`, `rounded` , `$fn`, `h` and `font`
*   **Font support:**  This module supports multiple fonts which are included in the `Write.scad` module. The font parameter will specify which font to use, so I need to be able to access this in my main file.

The OpenSCAD file should have the following parameters:

*   `headLetter`:  A string that specifies the single letter to be displayed.
*   `font`: A string that specifies which font to use.
*   `emb`:  A boolean (0 or 1) to indicate whether the letter is engraved (0) or embossed (1).

Can you generate the OpenSCAD code for this?

[Assistant]
Robot_Test.scad:
```
include<Write.scad>

//Choose your favorite letter
headLetter="M"; //[A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z]

//Choose your font
font="orbitron.dxf"; //[Letters.dxf:Default,orbitron.dxf:Orbitron,knewave.dxf:Knewave,BlackRose.dxf:BlackRose,braille.dxf:Braille]

//embossed or engraved
emb=1; //[0:engraved,1:embossed]

if(emb==0){
	difference(){
		union(){
			import("AstroBotM_010.stl");
			translate([3,-2.25,12.25]){
				sphere(11,$fn=200);
			}
		}
		translate([3,-2.25,12.25])
			writesphere(text=headLetter,where=[0,0,0],radius=11, north=10, east=2, rounded=true, $fn=100,h=7,font=font);
	}
}
if(emb==1){
	union(){
		import("AstroBotM_010.stl");
		translate([3,-2.25,12.25]){
			sphere(11,$fn=200);
			writesphere(text=headLetter,where=[0,0,0],radius=11, north=10, east=2, rounded=true, $fn=100,h=7,font=font);
		}
	}
}
```
Write.scad:
```
/* 	Version 3
	Added support for font selection (default is Letters.dxf)
	Added WriteCube module
	Added Rotate for text (rotates on the plane of the text)
	Added writesphere
	Added space=     (spacing between characters in char widths) def=1
	Added writecylinder()

 By Harlan Martin
 harlan@sutlog.com
 January 2012

 (The file TestWrite.scad gives More usage examples)
 (This module requires the file Letters.dxf to reside in the same folder)
 (The file Letters.dfx was created with inkscape..Each letter is in its own layer)
 (This module seperates each letter in the string and imports it from Letters.dfx)

*/

	pi=3.1415926535897932384626433832795028841971693993751058209;
	pi2=pi*2;

// These control the default values for write() writesphere() writecube()
// if the parameters are not included in the call. Feel free to set your own
// defaults.

//default settings
	center=false;
	h = 4;			 //mm letter height
	t = 1; 			//mm letter thickness
	space =1; 			//extra space between characters in (character widths)
	rotate=0;			// text rotation (clockwise)
	font = "Letters.dxf";	//default for aditional fonts

// write cube defaults
	face = "front";	 // default face (top,bottom,left,right,back,front)
	up =0;		 //mm up from center on face of cube
	down=0;
	right =0;		 //mm left from center on face of cube
	left=0;

// write sphere defaults
	rounded=false;	 //default for rounded letters on writesphere
	north=0; 		// intial text position (I suggest leave these 0 defaults)
	south=0;
	east=0;
	west=0;
	spin=0;
// writecylinder defaults
	middle=0;     //(mm toward middle of circle)
	ccw=false;   //write on top or bottom in a ccw direction
 	r1=0; 	//(not implimented yet)
	r2=0;	 	//(not implimented yet)

// Contact me if your interested in how to make your own font files
// Its tedious and time consuming, but not very hard

module writecylinder(text,where,radius,height){
	wid=(.125* h *5.5 * space);
	widall=wid*(len(text)-1)/2;
	//angle that measures width of letters on sphere
	function NAngle(radius)=(wid/(pi2*radius))*360;
	//angle of half width of text
	function mmangle(radius)=(widall/(pi2*radius)*360);

	if ((face=="top")||(face=="bottom") ){
		if (face=="top" ){
			if (center==true){
				writecircle(text,where+[0,0,height/2],radius-h,rotate=rotate,font=font,h=h,t=t,
				space=space,east=east,west=west,middle=middle,ccw=ccw);
			}else{
				writecircle(text,where+[0,0,height],radius-h,rotate=rotate,font=font,h=h,t=t,
				space=space,east=east,west=west,middle=middle,ccw=ccw);
			}
		}else{
			rotate(180,[1,0,0])
			if (center==true){
				writecircle(text,where+[0,0,height/2],radius-h,rotate=rotate,font=font,h=h,t=t,
				space=space,east=east,west=west,middle=middle,ccw=ccw);
			}else{
				writecircle(text,where+[0,0,0],radius-h,rotate=rotate,font=font,h=h,t=t,
				space=space,east=east,west=west,middle=middle,ccw=ccw);
			}
		}

	}else{
//		if (radius>0){
			if (center==true)  {
				rotate(-mmangle(radius)*(1-abs(rotate)/90),[0,0,1])
				translate(where)
				writethecylinder(text,where,radius,height,r1=radius,r2=radius,h=h,
					rotate=rotate,t=t,font=font,face=face,up=up,down=down,
					east=east,west=west,center=center,space=space,rounded=rounded);
			} else{
				rotate(-mmangle(radius)*(1-abs(rotate)/90),[0,0,1])
				translate(where+[0,0,height/2])
					writethecylinder(text,where,radius,height,r1=radius,r2=radius,h=h,
					rotate=rotate,t=t,font=font,face=face,up=up,down=down,
					east=east,west=west,center=center,space=space,rounded=rounded);
			}
// the remarked out code is for cone shaped cylinders (not complete)
//		}else{
//			if (center==true)  {
//				rotate(-mmangle(radius)*(1-abs(rotate)/90),[0,0,1])
//				translate(where)
//				writethecylinder(text,where,radius,height,r1=r1,r2=r2,h=h,
//					rotate=rotate,t=t,font=font,face=face,up=up,down=down,
//					east=east,west=west,center=center,space=space,rounded=rounded);
//			} else{
//				rotate(-mmangle(radius)*(1-abs(rotate)/90),[0,0,1])
//				translate(where+[0,0,height/2])
//					writethecylinder(text,where,radius,height,r1=r1,r2=r2,h=h,
//					rotate=rotate,t=t,font=font,face=face,up=up,down=down,
//					east=east,west=west,center=center,space=space,rounded=rounded);
//			}
//		}
	}
}
module writecircle(text,where,radius){
	wid=(.125* h *5.5 * space);
	widall=wid*(len(text)-1)/2;
	//angle that measures width of letters on sphere
	function NAngle(radius)=(wid/(pi2*radius))*360;
	//angle of half width of text
	function mmangle(radius)=(widall/(pi2*radius)*360);

	if (ccw==true){
		rotate(-rotate+east-west,[0,0,1]){
			rotate(-mmangle(radius-middle),[0,0,1]){
			translate(where)
				for (r=[0:len(text)-1]){
					rotate(-90+r*NAngle(radius-middle),[0,0,1]) // bottom out=-270+r
					translate([radius-middle,0,0])
					//rotate(90,[1,0,0])
					//rotate(90,[0,1,0])
					rotate(-270,[0,0,1])  // flip text (botom out = -270)
					write(text[r],center=true,h=h,t=t,font=font);
				}
			}
		}
	}else{
		rotate(-rotate-east+west,[0,0,1]){
			rotate(mmangle(radius-middle),[0,0,1]){
			translate(where)
				for (r=[0:len(text)-1]){
					rotate(90-r*NAngle(radius-middle),[0,0,1]) // bottom out=-270+r
					translate([radius-middle,0,0])
					//rotate(90,[1,0,0])
					//rotate(90,[0,1,0])
					rotate(270,[0,0,1])  // flip text (botom out = -270)
					write(text[r],center=true,h=h,t=t,font=font);
				}
			}
		}
	}

}
module writethecylinder(text,where,radius,height,r1,r2){
	wid=(.125* h *5.5 * space);
	widall=wid*(len(text)-1)/2;
	//angle that measures width of letters on sphere
	function NAngle(radius)=(wid/(pi2*radius))*360*(1-abs(rotate)/90);
	//angle of half width of text

	function mmangle(radius)=(widall/(pi2*radius)*360);
			translate([0,0,up-down])
			rotate(east-west,[0,0,1])
			for (r=[0:len(text)-1]){
				rotate(-90+(r*NAngle(radius)),[0,0,1])
				translate([radius,0,-r*((rotate)/90*wid)+(len(text)-1)/2*((rotate)/90*wid)])
				rotate(90,[1,0,0])
				rotate(90,[0,1,0])
				write(text[r],center=true,h=h,rotate=rotate,t=t,font=font);
		//echo("zloc=",height/2-r*((rotate)/90*wid)+(len(text)-1)/2*((rotate)/90*wid));
			}

}

module writesphere(text,where,radius){
	wid=(.125* h *5.5 * space);
	widall=wid*(len(text)-1)/2;

	echo("-----------------",widall,wid,mmangle(radius));
	//angle that measures width of letters on sphere
	function NAngle(radius)=(wid/(pi2*radius))*360;
	//angle of half width of text
	function mmangle(radius)=(widall/(pi2*radius)*360);

	rotate(east-west,[0,0,1]){
	rotate(south-north,[1,0,0]){
	rotate(spin,[0,1,0]){
	rotate(-mmangle(radius),[0,0,1]){
		if ( rounded== false ){
			translate(where)
			for (r=[0:len(text)-1]){
				rotate(-90+r*NAngle(radius),[0,0,1])
				translate([radius,0,0])
				rotate(90,[1,0,0])
				rotate(90,[0,1,0])
				write(text[r],center=true,h=h,rotate=rotate,t=t,font=font);
			}
		}else{
			difference(){
				translate(where)
				for (r=[0:len(text)-1]){
					rotate(-90+r*NAngle(radius),[0,0,1])
					translate([radius,0,0])
					rotate(90,[1,0,0])
					rotate(90,[0,1,0])
					write(text[r],center=true,h=h,rotate=rotate,t=t*2+h,font=font);
				}
				difference(){ //rounded outside
					sphere(radius+(t*2+h)*2);
					sphere(radius+t/2);
				}
				sphere(radius-t/2); // rounded inside for indented text
			}
		}
	}
}}}
}

module writecube(text,where,size){
	if (str(size)[0] != "["){
		// its a square cube (size was not a matrix so make it one)
		writethecube(text,where,[size,size,size],h=h,rotate=rotate,space=space,
		t=t,font=font,face=face,up=up,down=down,right=right,left=left);

	}else{
		// its not square
		writethecube(text,where,size,h=h,rotate=rotate,space=space,
		t=t,font=font,face=face,up=up,down=down,right=right,left=left);
	}
}
// I split the writecube module into 2 pieces.. easier to add features later
module writethecube(text,where,size){
		if (face=="front") {
			translate([where[0]+right-left,where[1]-size[1]/2,where[2]+up-down])
			rotate(90,[1,0,0])
			write(text,center=true,h=h,rotate=rotate,t=t,font=font,space=space);
		}
		if (face=="back") {
			translate([where[0]+right-left,where[1]+size[1]/2,where[2]+up-down])
			rotate(90,[1,0,0])   // rotate around the x axis
			rotate(180,[0,1,0])  // rotate around the y axis (z before rotation)
			write(text,center=true,h=h,rotate=rotate,t=t,font=font,space=space);
		}
		if (face=="left") {
			translate([where[0]-size[0]/2,where[1]-right+left,where[2]+up-down ])
			rotate(90,[1,0,0])   // rotate around the x axis
			rotate(90,[0,-1,0])  // rotate around the y axis  (z before rotation)
			write(text,center=true,h=h,rotate=rotate,t=t,font=font,space=space);
		}
		if (face=="right") {
			translate([where[0]+size[0]/2,where[1]+right-left,where[2] +up-down])
			rotate(90,[1,0,0])   // rotate around the x axis
			rotate(90,[0,1,0])  // rotate around the y axis  (z before rotation)
			write(text,center=true,h=h,rotate=rotate,t=t,font=font,space=space);
		}
		if (face=="top") {
			translate([where[0]+right-left,where[1]+up-down,where[2]+size[2]/2 ])
			write(text,center=true,h=h,rotate=rotate,t=t,font=font,space=space);
		}
		if (face=="bottom") {
			translate([where[0]+right-left,where[1]-up+down,where[2]-size[2]/2 ])
			rotate(180,[1,0,0])
			write(text,center=true,h=h,rotate=rotate,t=t,font=font,space=space);
		}
}

module write(word){

	echo (h);
	echo (word);
	echo ("There are " ,len(word) ," letters in this string");
//	echo ("The second letter is ",word[1]);
//	echo (str(word[0],"_"));
rotate(rotate,[0,0,-1]){
	for (r = [0:len(word)]){   // count off each character
		// if the letter is lower case, add an underscore to the end for file lookup
		if ((word[r] == "a" ) || (word[r]== "b")  || (word[r]== "c")
	 	  || (word[r]== "d") || (word[r]== "e") || (word[r]== "f")
	 	  || (word[r]== "g") || (word[r]== "h")  || (word[r]== "i")
       	  	  || (word[r]== "j") || (word[r]== "k") || (word[r]== "l")
       	 	  || (word[r]== "m") || (word[r]== "n") || (word[r]== "o")
       	 	  || (word[r]== "p") || (word[r]== "q") || (word[r]== "r")
	 	  || (word[r]== "s") || (word[r]== "t") || (word[r]== "u")
       	 	  || (word[r]== "v") || (word[r]== "w") || (word[r]== "x")
       	 	  || (word[r]== "y" )|| (word[r]== "z")){
			if (center == true)  {
				translate([0,-h/2,0]){
					scale([.125*h,.125*h,t]){
						translate([ (-len(word)*5.5*space/2) + (r*5.5*space),0,0])
						linear_extrude(height=1,convexity=10,center=true){
							import(file = font,layer=str(word[r],"_"));
						}
					}
				}
			}else{
				translate([0,0,t/2]){
					scale([.125*h,.125*h,t]){
						translate([r*5.5*space,0,0])
						linear_extrude(height=1,convexity=10,center=true){
							import(file = font,layer=str(word[r],"_"));
						}
					}
				}
			}

		}else{
			if (center == true)  {
				translate([0,-h/2,0]){
					scale([.125*h,.125*h,t]){
						translate([ (-len(word)*5.5*space/2) + (r*5.5*space),0,0])
						linear_extrude(height=1,convexity=10,center=true){
							import(file = font,layer=str(word[r]));
						}
					}
				}
			}else{
				translate([0,0,t/2]){
					scale([.125*h,.125*h,t]){
						translate([r*5.5*space,0,0])
						linear_extrude(height=1,convexity=10,center=true){
							import(file = font,layer=str(word[r]));
						}
					}
				}
			}
		}
	}
}
}

/*writecylinder test
translate([0,0,0])
%cylinder(r=20,h=40,center=true);
color([1,0,0])
writecylinder("rotate=90",[0,0,0],20,40,center=true,down=0,rotate=90);
writecylinder("rotate = 30,east = 90",[0,0,0],20,40,center=true,down=0,rotate=30,east=90);
writecylinder("ccw = true",[0,0,0],20,40,center=true,down=0,face="top",ccw=true);
writecylinder("middle = 8",[0,0,0],20,40,h=3,center=true,down=0,face="top",middle=8);
writecylinder("face = top",[0,0,0],20,40,center=true,down=0,face="top");
writecylinder("east=90",[0,0,0],20,40,h=3,center=true,down=0,face="top",east=90);
writecylinder("west=90",[0,0,0],20,40,h=3,center=true,down=0,face="top",ccw=true,west=90);
writecylinder("face = bottom",[0,0,0],20,40,center=true,down=0,face="bottom");
*/
/*writesphere test
sphere(20);
color([1,0,0])
writesphere("Hello World",[0,0,0],20,t=1,h=6);
*/
/* writecube test
translate([30,30,30])
cube([10,15,30],center=true);
write("hello",center=true,rotate =30);
color([1,0,0])
writecube( "front",[30,30,30],[10,15,30],h=5,rotate=-90);
color([0,1,0])
writecube( "back",[30,30,30],size=[10,15,30],h=5,face="back",rotate=90,t=4);
color([0,0,1])
writecube( "left",[30,30,30],[10,15,30],h=5,face="left",up=5);
color([1,1,0])
writecube( "right",where=[30,30,30],size=[10,15,30],h=5,face="right",rotate=55);
color([1,0,1])
writecube( "top",where=[30,30,30],size=[10,15,30],h=5,face="top");
color([1,1,1])
writecube( "bttm",where=[30,30,30],size=[10,15,30],h=5,face="bottom",rotate=90);
*/

```


[User]
Okay, I'd like to create a parametric OpenSCAD script for making custom image-based stamps. I've been playing around with the attached `StampMaker_v03.scad` file, and I'd like to improve upon it.

Here's what I want the new script to do, and what parameters I'd like to be able to adjust:

**Core Functionality:**

1.  **Image Input:** The script should take a black and white image file as input. This file will define the surface of the stamp. I'd like to specify the file path using a variable.
2.  **Image Size:** The image will be scaled to fit within a specified maximum size (e.g. 100x100). The stamp should automatically adjust itself to fit around it. I'd like to parameterize this max size.
3.  **Layered Stamp:** Instead of just extruding, the stamp should be made of discrete layers, like in the attached code. The number of layers and the height of each layer should be parameterized. I need to specify layer height directly, not just derived from the number of layers.
4.  **Stamp Base:** The layered stamp portion should be mounted on a solid base. This base can be just a rectangular prism, as in the attached, but I'd like its thickness to be controlled by a variable. Also, the base needs to fully enclose the entire layered surface.
5.  **Handle:** The script should generate a handle for the stamp. I'd like a similar style to the one provided in the attached file (angled struts), but I'd like to control the handle height, strut angle, and strut width/depth.

**Parameters I'd Like To Control:**

*   `image_file`: String, the path to the black and white image file.
*   `image_max_size`: Number, the maximum width/height of the scaled image.
*   `layer_height`: Number, the height of each stamp layer.
*   `number_of_layers`: Integer, the number of stamp layers.
*   `base_thickness`: Number, the thickness of the base underneath the layered stamp.
*   `handle_height`: Number, the total height of the handle.
*   `handle_strut_angle`: Number, the angle of the handle's support struts.
*   `handle_strut_width`: Number, the width of the handle's support struts.
*   `handle_strut_depth`: Number, the depth of the handle's support struts.
*   `overall_scale`: Number, a scale factor applied to the entire stamp.

**Additional Requirements**

*   I'd like the stamp to be centered on the origin for easy placement in other projects.

**Libraries:**

I'm not using any special libraries, the `surface()` function is from the base OpenSCAD language. I also used `linear_extrude()`.

Can you help me create this parametric OpenSCAD file?

[Assistant]
StampMaker_v03.scad:
```
// StampMaker v.03
// Make an image based stamp
// onlyjonas, 2013-05-8

/* [Stamp] */
// image max size 100x100
image_file = "img.dat"; // [image_surface:100x100]

// slice layer height
layer_height = 0.5;

// The lower the layer height, the more layers you can use.
number_of_layers = 10; // [5:20]

// handle height
handle_height = 30;

// scale stamp (default size 10cm x 10cm)
scale = 1.0;

/* [Hidden] */
$fn = 50;
length = 100;
width = 100;
min_layer_height = layer_height*2;
hole_radius = hole_diameter/2;
height = layer_height*number_of_layers;

module stamp() {
  // take just the part of surface we want
  difference() {
    translate([0, 0, min_layer_height]) scale([1,1,height]) surface(file=image_file, center=true, convexity=5);
    translate([0,0,-(height+min_layer_height)]) linear_extrude(height=height+min_layer_height) square([length, width], center=true);
  }
}

module handle() {
	// handle
	difference() {
		translate([0,0,-handle_height/2+1])
		cube([width, length, handle_height], center=true);

		translate([width/2+handle_height/8,0,-handle_height/2])
		rotate([0,25,0])cube([handle_height/2, width+2, handle_height/2], center=true);
		translate([-width/2-handle_height/8,0,-handle_height/2])
		rotate([0,-25,0])cube([handle_height/2, width+2, handle_height/2], center=true);
	}
}

scale(scale)
union() {
	translate([0,0,-stamph/2])stamp();
	handle();
};
```


[User]
Okay, I'm looking to create a customizable lithophane gallery, similar to the one I found on Thingiverse, but I'd like more flexibility and a cleaner code structure. I need an OpenSCAD file that allows me to arrange multiple lithophane images in a gallery format, with the option to add a text pane at the bottom, and control a few more parameters.

Here are the specific features I need:

**1. Image Panes:**

*   I need to be able to specify up to 8 different images.  I'll provide the image data files, similar to how the original `Lithophane_Gallery_Rev3.scad` uses `.dat` files created with `image-surface`.
*   The images should be arranged in a grid of up to 2 rows and up to 4 columns.  I need to be able to specify how many images are in the top row and bottom row separately, so I could have 2 on top and 3 on the bottom, for example.
*   The images should stretch to fit the pane size, like the original design does.

**2. Text Pane:**

*   I want an optional text pane at the bottom that can accommodate either one or two lines of text.
*   I need to be able to specify the text for each line, the text height, letter spacing, and the "shade" or thickness of the text in the final output.
*   It would be great to specify the font to use for the text. I'd like to use fonts from the `write.scad` library to support custom fonts.

**3. Hangers:**

*   I'd like to include hanger loops at the top of the gallery. I need to be able to choose the number of hangers and have them evenly spaced.
*   The hanger depth (how far it protrudes from the main print) should be at half the total print height.
*   I need control over the hanger opening size, and the thickness of the hanger material.

**4. Borders:**

*   I need a border around each image pane, and the text pane. I need to be able to specify the thickness of this border. Setting the border to 0 should also remove it entirely.

**5. Slicing and Printing:**

*   I need to specify the layer height I will use for printing.
*   I also need to specify how many layers are used to represent the greyscale image.
*  I'd like to add optional helper disks at each corner and under each hanger to help prevent lifting during printing. This should be an on/off option.

**6. Parametric Design:**

*   Everything above should be fully parametric and easily adjustable through OpenSCAD's customizer interface.
*   I would prefer to calculate the required lengths based on the parameters defined in the customizer. The design should avoid using hardcoded lengths when possible.

**7. Libraries:**
*  I need you to use `write.scad`. I will supply this or use the local copy if required.

**In summary, I want a robust and flexible design that generates a lithophane gallery using a similar logic to the provided design, but with cleaner code and more customizability. Can you provide me with an OpenSCAD file that meets these requirements?**

[Assistant]
Lithophane_Gallery_Rev3.scad:
```
/* Lithophane Gallery by Bob Hamlet 5/2/13
 * Based on Customizable Lithopane with More http://www.thingiverse.com/thing:78719
 *
 * Added support for multiple image panes.
 * Different type of hanger.
 * Rev 1 - adjustments to hanger placement, split tabs for upper and lower section. 5/24/13
 * Rev 2 - added the text pane to the bottom, minor difference bug fixes, fixed image height bug.  5/29/13
 * Rev 3 - added option for helper disks at outside corners, changed hanger depth to 1/2 total height. 6/1/13
 */

//use <write.scad>/////////////////////uncomment this line to use local copy/////////////////////////////////////////
use <write/Write.scad>/////////////comment out this line to use local copy//////////////////////////////////

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

/* [Top Row Images] */

// First image on top row. Load a 100x100 pixel image.(images will be stretched to fit)  Simple photos work best.  Don't forget to click the Invert Colors checkbox!
image1 = "image-surface.dat"; // [image_surface:100x100]
// Second image on top row.  Don't forget to click the Invert Colors checkbox!
image2 = "image-surface.dat"; // [image_surface:100x100]
// Third image on top row. Don't forget to click the Invert Colors checkbox!
image3 = "image-surface.dat"; // [image_surface:100x100]
// Last image on top row. Don't forget to click the Invert Colors checkbox!
image4 = "image-surface.dat"; // [image_surface:100x100]

/* [Bottom Row Images] */

// First image on bottom row. Don't forget to click the Invert Colors checkbox!
image5 = "image-surface.dat"; // [image_surface:100x100]
// Second image on bottom row. Don't forget to click the Invert Colors checkbox!
image6 = "image-surface.dat"; // [image_surface:100x100]
// Third image on bottom row. Don't forget to click the Invert Colors checkbox!
image7 = "image-surface.dat"; // [image_surface:100x100]
// Last image on bottom row. Don't forget to click the Invert Colors checkbox!
image8 = "image-surface.dat"; // [image_surface:100x100]

/* [Text Message Pane] */

//How many lines of text at the botttom?
Text_Lines = 0; //[0,1,2]
//Enter your first line message here:
Top_Text = "First Line";
//Enter your second line message here:
Bottom_Text = "Second Line";
//How dark do you want your lettering?
Shade=2;//[1:Dark,2:Medium,3:Light]
//Choose your font

font = "write/knewave.dxf";//[write/BlackRose.dxf:Black Rose,write/braille.dxf:Braille,write/knewave.dxf:Knewave,write/Letters.dxf:Letters,write/orbitron.dxf:Orbitron]
////////////////////////////////////////////comment out the above line to use local copy//////////////////////////////////
//font = "knewave.dxf";/////////////////////uncomment this line to use local copy/////////////////////////////////////////

//How tall do you want your letters?
Text_Height=6;//[4:8]
//Letter spacing you want?
Letter_Spacing=12;//[6:40]
space=Letter_Spacing/10;

/* [Layout and Hangers] */

//Images 1-4.  If you want less, don't load images into remaining slots.
top_row = 2; //[1,2,3,4]
//Images 5-8.  Load image 5 for first image on bottom row, regardless of number of top row images.
bottom_row = 0; //[0,1,2,3,4]
//Choose the number of hanger loops.
hangers = 2; //[0,1,2,3]

/* [Borders] */

hanger_opening = 5; //[2:10]
hanger_thickness = 2; //[2:10]
// Set value to zero for no border. (Not recommended)
pane_border = 1;//[0:3]

/* [Slicing and Printing] */

// What layer height will you slice this at?  The thinner the better.
layer_height = 0.2;
// The lower the layer height, the more layers you can use.  More layers means more even shading.
number_of_layers = 16; // [5:20]
//Do you want to include helper disks at the corners to help prevent lifting?
helper_disks=0;//[1:Yes,0:No]

/* [Hidden] */
images = [image1, image2, image3, image4, image5, image6, image7, image8];
s = 0.01; // used for difference
length = 50; // Surface / 2
min_height = layer_height*2;// base (white) will always be 2 layers thick
inhole_radius = hanger_opening/2;
outhole_radius = inhole_radius+hanger_thickness;
height = layer_height*number_of_layers+min_height;
hang_length = top_row*(length+pane_border)+pane_border-outhole_radius*2;
hang_height = length/2+pane_border;
topboxlen=top_row*(length+pane_border)+pane_border;
bottomboxlen=bottom_row*(length+pane_border)+pane_border;
longer=(topboxlen>bottomboxlen)?topboxlen:bottomboxlen;

assembly();

module assembly(){
	union(){
		if (bottom_row<1){
			toplayout(top_row);
			hangers();
			message(topboxlen);
			helpers(topboxlen,topboxlen);
		}
		else{
			translate([0,(length+pane_border)/2,0]){
				toplayout(top_row);
				hangers();
				helpers(topboxlen,longer);
			}
			translate([0,-(length+pane_border)/2,0]){
				bottomlayout(bottom_row);
				message(bottomboxlen);
				helpers(longer,bottomboxlen);
			}
		}
	} // end union
} // end assembly module

module toplayout(row){
	translate([-(row-1)*(length+pane_border)/2,0,0]){
		for(i=[1:row])translate([(i-1)*(length+pane_border),0,0])pane(images[i-1]);
	} // end translate
} // end toplayout module

module bottomlayout(row){
	translate([-(row-1)*(length+pane_border)/2,0,0]){
		for(i=[1:row])translate([(i-1)*(length+pane_border),0,0])pane(images[i+3]);
	} // end translate
} // end bottomlayout module

module pane(image){
	union() {
		// Cut off unwanted bottom portion
		difference(){
    		translate([0,0,min_height]) scale([.5,.5,height-min_height]) surface(file=image,center=true,convexity=5);
		// -
			translate([0,0,-height+min_height-s])linear_extrude(height=height-min_height+s)square(length+s,center=true);
		} // end difference
		// Make the frame and white base
		difference(){
			linear_extrude(height=height) square(length+(pane_border*2),center=true);
		// -
			translate([0,0,min_height])linear_extrude(height=layer_height*number_of_layers) square(length+s,center=true);
		} // end difference
	} // end union
} // end pane module

module hangers(){
if (hangers==1){u();}
if (hangers>1){
	translate([-(hang_length)/2,0,0]){
		for(i=[1:hangers])translate([(i-1)*(hang_length)/(hangers-1),0,0])
			u();
	} // end translate
} // end if
} // end hangers module

module u(){
render()
	translate([0,hang_height,0]){
		translate([0,hanger_thickness,0])disk();
		difference(){
			union(){
				translate([0,outhole_radius/2,height/4])cube([outhole_radius*2,outhole_radius,height/2],center=true);
				translate([0,outhole_radius,height/4])cylinder(h=height/2,r=outhole_radius,center=true,$fn=50);
			} // end union
		// -
			translate([0,outhole_radius/2,height/4-s])cube([inhole_radius*2,outhole_radius,height/2+2*s],center=true);
			translate([0,outhole_radius,height/4-s])cylinder(h=height/2+2*s,r=inhole_radius,center=true,$fn=50);
		} // end difference
	} // end translate
} // end module

module message(len){
	if (Text_Lines>0){
		difference(){
			translate([0,-hang_height-Text_Lines*Text_Height/2-1,height/2])cube([len,Text_Lines*Text_Height+2+2*pane_border,height],center=true);
			translate([0,-hang_height-Text_Lines*Text_Height/2-1+s,height/2+min_height])cube([len-2*pane_border+s,Text_Lines*Text_Height+2+s,height],center=true);
		} // end difference
		translate([space,-hang_height-(Text_Height/2+1/Text_Lines)+pane_border/2,height/Shade/2])write(Top_Text,font=font,t=height/Shade,h=Text_Height,space=space,center=true);
		if (Text_Lines>1){
			translate([space,-hang_height-0.5-Text_Height*1.5,height/Shade/2])write(Bottom_Text,font=font,t=height/Shade,h=Text_Height,space=space,center=true);
		} // end if
	} // end if
} // end module

module helpers(up,down){
	for(a=[0,1]){
		mirror([a,0,0]){
			translate([up/2,hang_height,0])disk();
			translate([down/2,-hang_height,0])disk();
		} // end mirror
	} // end for
} // end module

module disk(){
	translate([0,0,layer_height/2])cylinder(h=layer_height*helper_disks,r=hanger_opening+3*hanger_thickness,center=true,$fn=50);
}
```


[User]
Okay, so I'm trying to create a display stand for some 3D-printed frog models I have. I currently have a design in OpenSCAD, but it's a bit clunky and inflexible, and I'd like to make it more parametric and easier to customize.

Here's what I'm aiming for:

**Core Functionality:**

*   **Individual Frog Stands:** The stand should be designed to hold multiple frog models, each with its own base and text label. I envision a row of these stands side-by-side.
*   **Parametric Dimensions:** I want to be able to adjust things like the pedestal height, the base height under the text, the text height, and the overall spacing between each frog stand.
*   **Text Labels:** Each frog stand should have a text label, allowing me to easily identify different frog versions and/or different printing parameters.
*   **Foot Pedestals:** I'd like to include the "foot" pedestals I have modeled separately. I have them in an STL format that can be imported.
*   **Multi-Frog Support:** I need to be able to adjust the number of frog stands, in case I want to add more frogs in the future.

**Specific Parameters I'd like to control:**

*   `pedestal`: The height of the foot pedestal (where the frog model actually sits), using the values [1,2,3,4,5]
*   `box`: The height of the base cube for each frog's label area (the box under the text). Values should be [0,1,2,3,4,5].
*   `textHeight`: The height of the text labels for each frog. Should use values [1,2,3,4,5].
*   `frogs`: The number of frog stands in the row. Should use values [1,2,3,4,5].
*   `frog_layer_thickness_1`, `frog_layer_thickness_2`, etc.: The text to display on each stand. The current values for these are `"0.3 mm"`, `"0.15 mm"`, `"0.05 mm"`, `"0.1 mm"`, and `"0.05 mm"`.
*   `base_width`: Overall width of the stand base for each frog (currently `60`)
*  `base_depth`: Overall depth of the stand base for each frog (currently `60`)
*   `label_width`:  The width of the rectangular base underneath the text label (currently `50`)
*   `label_depth`: The depth of the rectangular base underneath the text label (currently `11`)
* `label_x_offset`: The x offset of the label box from the center (currently `-25`)
* `label_y_offset`: The y offset of the label box from the center (currently `-28.5`)
* `text_y_offset`: The y offset of the text label from the base of the text box(currently `-23`)
* `foot_x_offset`: The x offset of the foot from the center (currently `55`)
* `frog_spacing`: The distance between the left edge of one frog stand and the left edge of the next one. This can default to `60` but should be modifiable.

**Additional Considerations:**

*   I'm using the `write/Write.scad` library for text, so please make sure to use it in the new file, and the values `t=textHeight` and `h=10` should be passed to `write` for each text label.
*   The current design has a thin 2mm base, that I would like to keep. The base should be centered behind all of the stands, which are evenly distributed along the x axis, and extend one mm beyond the top and bottom.
*  The base should have a height of `2`.
*   The text should always be centered.
*   The file is currently using `translate` and hard-coded numbers for placement. This should use variables for better control.

**Ideally, the output should:**

*   Be a single, parametric OpenSCAD file.
*   Be well-commented to understand how each component is constructed and how the parameters work.
*   Include the proper imports from any required libraries (in this case, `write/Write.scad`).
* Use the following constants as specified (if not specified, assume the current values from my file): base width, `60`, base depth `60`, label width `50`, label depth `11`, label x offset `25`, label y offset `28.5`, text y offset `23`, foot x offset `55`, base height `2`, text height `2`, label base height `1`, pedestal height `1`, spacing `60`
*   Use variables in the `write` function instead of hard-coded values (I should be able to change text size for example)

I'd like the design to be as flexible as possible so I can easily modify it for different print parameters and frog quantities. Could you help me create a parametric OpenSCAD file that does all this?

[Assistant]
Frog_Block.scad:
```
/*parameters*/
//pedestal height
pedestal=1; //[1,2,3,4,5]
//text base height
box=1; //[0,1,2,3,4,5]
//text height
textHeight=2; //[1,2,3,4,5]

/*duplicates*/
//number of frogs
frogs=1; //[1,2,3,4,5]
//frog 1 layer thickness
frog1="0.3 mm";
//frog 2 layer thickness
frog2="0.15 mm";
//frog 3 layer thickness
frog3="0.05 mm";
//frog 4 layer thickness
frog4="0.1 mm";
//frog 5 layer thickness
frog5="0.05 mm";

include <write/Write.scad>

union(){

translate([0,0,-1])
cube([60,60,2],center=true);
translate([55,0,0])
scale([1,1,pedestal])
import("Frog Feet.stl");
translate([-25,-28.5,0])
	cube([50,11,box]);
translate([0,-23,box])
write(frog1,t=textHeight,h=10,center=true);

if(frogs>1){
translate([60,0,0]){
translate([0,0,-1])
cube([60,60,2],center=true);
translate([55,0,0])
scale([1,1,pedestal])
import("Frog Feet.stl");
translate([-25,-28.5,0])
	cube([50,11,box]);
translate([0,-23,box])
write(frog2,t=textHeight,h=10,center=true);
}
}

if(frogs>2){
translate([120,0,0]){
translate([0,0,-1])
cube([60,60,2],center=true);
translate([55,0,0])
scale([1,1,pedestal])
import("Frog Feet.stl");
translate([-25,-28.5,0])
	cube([50,11,box]);
translate([0,-23,box])
write(frog3,t=textHeight,h=10,center=true);
}
}

if(frogs>3){
translate([180,0,0]){
translate([0,0,-1])
cube([60,60,2],center=true);
translate([55,0,0])
scale([1,1,pedestal])
import("Frog Feet.stl");
translate([-25,-28.5,0])
	cube([50,11,box]);
translate([0,-23,box])
write(frog4,t=textHeight,h=10,center=true);
}
}

if(frogs>4){
translate([240,0,0]){
translate([0,0,-1])
cube([60,60,2],center=true);
translate([55,0,0])
scale([1,1,pedestal])
import("Frog Feet.stl");
translate([-25,-28.5,0])
	cube([50,11,box]);
translate([0,-23,box])
write(frog5,t=textHeight,h=10,center=true);
}
}

}
```