[User]
Okay, I'd like to design a customizable luggage tag in OpenSCAD, and I need some help. I've seen a design that's close to what I want, and I want to improve upon it and make it more flexible and robust.

Here’s what I'm looking for:

**Basic Shape and Construction:**

*   The tag should be a rectangular plate with rounded corners. The radius of the corners should be adjustable.
*   The thickness of the plate needs to be a customizable parameter.
*   It should have a slot for a cable tie or strap, positioned near one end of the tag. The length and width of this slot need to be customizable.
*   The size of the tag (length and width) should automatically adjust based on the text I want to put on it, with some padding around the text.

**Text Options:**

*   The tag should support multiple lines of text. The spacing between the lines of text should be adjustable (based on a multiple of font size).
*   The user should be able to choose from three text modes:
    1.  **Engraved Text:** The text is cut into the surface of the plate. The depth of the engraving should be adjustable as a percentage of the plate thickness.
    2.  **Hidden Text:** The text is cut completely through the plate, but is inset. This way it can only be seen when backlit. I'd like to just set a boolean variable that controls this, and have the engraving depth adjusted automatically.
    3.  **Embossed Text:** The text is raised above the surface of the plate. The height of the embossing should be adjustable (as a positive value).
*   I'll need to use a specific font file, so I need to be able to specify that. The code I'm using references the *stencil2.dxf* font, and relies on a particular `write.scad` library.
*   The size of the text (font height) and the spacing between letters should be adjustable.
*   The overall text should be centered, both vertically and horizontally, on the tag. The text should always respect the user-defined spacing between letters and lines, and the automatically calculated tag size. I think that the calculation can start from the maximum number of characters of text per line.

**Customization Parameters:**

I want these parameters to be easily adjustable within the OpenSCAD file:

*   `fontsize`: The font height of the text (in mm).
*   `spacing`: The spacing between characters (multiplier of the font length).
*   `linespacing`: The spacing between text lines (multiplier of `fontsize`).
*   `cornerradius`: The radius of the rounded corners (in mm).
*   `platethickness`: The thickness of the plate (in mm).
*   `textdepth`: The depth of the engraving (as a percentage of `platethickness` when negative or the height of the emboss when positive). Should be handled with a positive or negative value.
*  `slitlength`: The length of the slot for the strap.
*  `slitwidth`: The width of the slot for the strap.
*   `hidetext`: A boolean to switch between regular engraved text and hidden text.
*   `text`: An array (list) of strings, each string representing one line of text.
*   `font`: A string with the filename of the font to use, e.g. "stencil2.dxf"
*  `fontlengthfactor`: A factor to adjust the space used by characters of the font for correct sizing.

**Libraries Needed:**

*   I'll need the `write.scad` library. I don't have a specific version other than the one I have linked, and I know it needs a font file in the same directory or the proper directory specified in the `use` statement.

**Other Considerations:**

*   I'd like the code to be well-commented and easy to understand.
*   I need to be able to easily see and modify the different customization options.
*   I'm looking for a clean and efficient design.

Can you create the OpenSCAD file based on these requirements? I'm looking for a solid parametric design that can be adjusted for a range of different tags.

[Assistant]
Luggage_label.scad:
```
/*

OpenSCAD-File to generate a Customized luggage label
2013-10-19 - kowomike

Needs write.scad as found here:
https://github.com/rohieb/Write.scad

or here:
http://www.thingiverse.com/thing:16193

Uses font for write.scad as found here:
http://www.thingiverse.com/thing:100779

*/

use <Module/Writescad/write.scad>  //Change to directory where write.scad resides; Put the font (stencil2.dxf) in same directory (were other fonts are as well)

//Other fonts need heavy changes for spacing, size etc.
font="stencil2.dxf";
fontlengthfactor=.682;

// **** START CUSTOMIZING HERE ****

// Fontheight of text (too small will be hard to print)
fontsize=11;

// Spacing between letters (too little will be hard to print)
spacing=0.9;

// Spacing between lines as factor of fontsize
linespacing=0.85;

// Corner radius of plate [mm]
cornerradius=3;

// Thickness of plate [mm]
platethickness=3;

// emgraving depth of text in % of plate (-66 is nice; -100 is through-hole)
// Use positive values to emboss instead of engraving
textdepth=-66;

// Length of slitted hole [mm]
slitlength=10;

// Width of slitted hole [mm]
slitwidth=4;

// Put text inside the plate so it can only be seen against light; sets textdepth automatically to 50%; !! You won't see text in preview anymore so first be sure to have it right
hidetext=false;

// Enter Text; UPPERCASE looks best
// Use up to 10 lines as needed; for alignment to center or right, use spaces

text=[
"YOUR NAME",
"ADDRESS",
"ZIP CITY",
"COUNTRY"

];

// **** END CUSTOMIZING HERE ****

//Find out maximum characters for first 10 lines for centering
maxtextchars = max(len(text[0]),len(text[1]),len(text[2]),len(text[3]),len(text[4]),len(text[5]),len(text[6]),len(text[7]),len(text[8]),len(text[9]));
textlines=len(text);

//Calculate Platesize based on textlength and fontsize
textlength=maxtextchars*spacing*fontlengthfactor*fontsize;
platelength=textlength+slitwidth+fontlengthfactor*fontsize/2+6+sqrt(cornerradius); //+slitwidth-sqrt(corner_radius)+6;
platewidth=textlines*0.9*fontsize+cornerradius/2;

//Avoid having slit larger than platewidth
slitlengthuse=min(slitlength,(platewidth-cornerradius*2)*0.9);

//Change text depth and text height when hidden is true
textdepthuse=((hidetext==true)? -platethickness*1/4 : 0.01);
textthickness=((hidetext==true)? -platethickness/2 : textdepth/100*platethickness-0.02);

//Module for plate
module plate (length,width,thickness,cornerradius) {
linear_extrude(height = thickness, center = true, convexity = 10) {
	minkowski () {
	square ([length-2*cornerradius,width-2*cornerradius],center=true);
	circle (r=max(0.1,cornerradius),$fn=100);  //Max-function to avoid malfunction with cornerradius 0
	}
}
}

//Module for slit
module slit (slitlength,slitwidth,slitheight) {
linear_extrude(height = slitheight+1, center = true, convexity = 10) {
	minkowski () {
	square ([0.1,slitlength],center=true);
	circle (r=slitwidth/2,$fn=100);
	}
}
}

//Generate complete plate
difference () {
	plate(platelength,platewidth,platethickness,cornerradius);

	//Slit for attaching
	translate ([-platelength/2+4+slitwidth/2,0,0])
	slit(slitlengthuse,slitwidth,platethickness);

	//Engrave text if textdepth negative
	if (textdepth<0) {
		translate ([fontlengthfactor*fontsize/2,-fontsize*0.75,platethickness/2])  //Adjust text start
		translate ([-textlength/2+2+slitwidth/2,textlines*linespacing*fontsize/2,textdepthuse])
		for (i=[0:textlines-1]) {
			translate ([0,-fontsize*linespacing*i,0])
			#write(text[i],t=textthickness,h=fontsize,font=font,space=spacing);
		};
	}

//Uncomment to show inside of plate for checking hidden text position
//translate ([0,0,-50])
//cube ([100,100,100]);

}

//Emboss text if textdepth positive
if (textdepth>0) {
		color ("YellowGreen")
		translate ([fontlengthfactor*fontsize/2,-fontsize*0.75,platethickness/2])  //Adjust text start
		translate ([-textlength/2+2+slitwidth/2,textlines*linespacing*fontsize/2,0])
		for (i=[0:textlines-1]) {
			translate ([0,-fontsize*linespacing*i,0])
			write(text[i],t=textthickness,h=fontsize,font=font,space=spacing);
		};
}

```


[User]
Okay, I'm looking to design a small, circular bracket that will help support climbing plants like peas or beans. I envision it being placed on the ground, and then several poles pushed through it vertically to create a frame for the plants to grow on.

Here are the specific design parameters I want to be able to control:

*   **Number of Holes:** I need to be able to specify how many poles the bracket will hold. I'd like to be able to vary this from 2 to 6 holes, ideally.
*   **Hole Angle:** I want to control the angle at which the holes are angled inwards. This would cause poles inserted into the holes to lean slightly inward and form more of a supporting cage as they rise. I would need to be able to adjust this angle, with a range from 0 (straight up and down) to maybe 40 degrees.
*   **Hole Size:** I need to define the diameter of the holes for the poles. I'd start with this as 12mm but want to make it parametric.
*   **Thickness:** The overall thickness of the bracket should be controllable to give it stability. A default of 15mm sounds good, but it should be adjustable.
*   **Additional Gerth:** I need to be able to increase the overall size of the bracket. Think of it like adding a buffer to the diameter of the bracket itself, which also might be useful for stability, especially with more holes.

Here are a few more general considerations:

*   The bracket should be circular in overall shape.
*   The holes should be evenly spaced around the circumference of the bracket.
*   The holes should be cylindrical.
*   The angled holes should be angled inward from the vertical.
*  The design should be parametric in OpenSCAD, so that I can change the values above and regenerate the design.
*   The design should be as simple as possible. No fancy curves or extrusions, just a solid base with angled, evenly spaced holes.

I am not looking to use any library functions right now, I would like to do this only with the core OpenSCAD functions.

Could you please generate the OpenSCAD code for this bracket based on the parameters I've described? I'm happy to clarify anything if needed.

[Assistant]
SmallHolder.scad:
```
number_of_holes=3; // [2:6]
hole_Angle=20; // [0:40]
hole_Size=12;
thickness=15;
additional_gerth=0;

divider=360/number_of_holes;
holeRadius=hole_Size/2;

if (hole_Angle > 20)
{
  printitem(hole_Angle-20);
} else {
  printitem(0);
}

module printitem(invar) {
	pieceSize=(hole_Size*3.33)+number_of_holes+invar+additional_gerth;
	pieceRadius=pieceSize/2;
	difference(){
		cylinder(r=pieceRadius,h=thickness);
		for (a=[0:number_of_holes-1]) {
			rotate([0,0,divider*a])translate([0,hole_Size-(5-number_of_holes),-10])rotate([0,hole_Angle,0])cylinder(r=holeRadius,h=thickness*3);
		}

	}
}
```


[User]
Okay, I need some help designing a hub-centric ring for my car wheels. I found this design online ([thingiverse link is provided in the file's description, but not required for this response]) and it's pretty close, but I'd like to make it more customizable and flexible.

Here's what I have and what I need:

**Current Design (based on the provided hubring.scad file):**

The existing design is a cylinder with a few modifications. It has an outer diameter, an inner diameter, and a height. It has an angled cone on the outer edge, a small inner bevel, and a raised ridge for a lip. Here are the parameters that are currently set:

*   **Main Diameters:**
    *   `inner`: 56.6 mm (the inner diameter that fits over the car's hub)
    *   `outer`: 67.1 mm (the outer diameter that fits into the wheel)
*   **Tuning parameters:**
    *   `clearance`: 0.3 mm (a gap for an easy fit)
    *   `height`: 6.5 mm (overall height of the main cylindrical body)
    *   `cone`: 2 mm (thickness/height of the outer cone)
    *   `inner_cone`: 1 mm (height of the inner bevel)
    *   `ridge_displacement`: 3 mm (how far up from the base the ridge is located)
    *   `ridge_thickness`: 0.25 mm (the radial thickness of the ridge)
    *   `ridge_height`: 2 mm (the vertical height of the ridge)

**Desired Changes and Customization:**

I'd like a parametric design where all these parameters, and maybe a few more, can be easily changed in the Customizer. I want the main diameters `inner` and `outer` to be directly controllable inputs. It would also be helpful to have a parameter for the overall ring thickness, not just the `height`. I'd like to specify a full thickness, and have the cone offset added to this.

I also need the option to have a wider and taller cone, which means I would like to separately control the width of the cone using `cone_width` and the height using `cone_height`. I'd also like the option to turn the ridge off entirely, so a `has_ridge` boolean parameter would be handy. Similarly, I would like the `inner_cone` to be turned off with `has_inner_cone`. If `has_inner_cone` is true then it would still use the `inner_cone` value.

Finally, I'd like to add an optional chamfer on the bottom outer edge of the main cylinder body, defined by a `chamfer_angle` and `chamfer_depth` which should default to off.

Could you create a parametric OpenSCAD file that includes these parameters, using these names where possible? This will make the design really easy to customize for other wheels I might use. Can you use the BOSL2 library for some of the more advanced features, like the chamfer? I am not familiar with BOSL2 so please ensure the code is simple and easy to understand. I don't need any other library.

[Assistant]
hubring.scad:
```
$fn=256;

// Main diameters:
inner = 56.6;
outer = 67.1;

// Tuning parameters:
clearance = 0.3;     // Inner clearance
height = 6.5;
cone = 2;           // Thickness and height of the conical flange
inner_cone = 1;     // Inner bevel
ridge_displacement = 3;
ridge_thickness = 0.25;
ridge_height = 2;

hole = inner / 2 + clearance;

difference() {
    union () {
	cylinder(r=outer/2, h=height);
	cylinder(r1=(outer + 2*cone)/2, r2=outer/2, h=cone);
	translate([0,0, ridge_displacement])
            cylinder(r=outer/2 + ridge_thickness, h=ridge_height);
    }
    union() {
	translate([0,0, -0.5]) cylinder(r=hole, h=height + 1);
	translate([0,0, -0.01])
            cylinder(r1=hole + inner_cone, r2=hole, h=inner_cone);
    }
}

```


[User]
Okay, I need a parametric OpenSCAD design for a case for my UDOO mini PC. I've already got a design, but I want to make it more flexible and easier to customize. I'm imagining something that I can easily adjust to open or close different ports, add anti-warp features, and control overall dimensions.

Here's a breakdown of what I'm looking for, roughly based on what I have already:

**Core Structure:**

*   **Base:** The case should have a base plate (ground) and top plate. The height of these should be adjustable.
*   **Walls:** It needs vertical walls going up from the base, and the thickness of these walls should be parametric. Also, there should be an adjustable gap between the UDOO board and these walls.
*   **Elevators:** Four "elevator" sockets or posts should lift the board off the baseplate. The width and height of these should be adjustable.
*   **Connectors:** The design needs to be able to selectively cut openings for various connectors on both the bottom and top of the UDOO board.

**Bottom Connector Options:**

*   I need independent controls for opening/closing these:
    *   Power input
    *   Power and reset button
    *   Micro USB
    *   HDMI
    *   Ethernet
    *   USB
    *   Audio in
    *   Audio out
    *   SD card slot

**Top Connector Options:**

*   I need independent controls for opening/closing these:
    *   GPIO
    *   SATA
    *   LVDS
    *   Camera
    *   DC in
    *   RTC battery
    *   Additional USB
    *   SPI

**Anti-Warp Features:**

*   **Mouse Ears:** I'd like a parameter to enable/disable mouse ears on the corners, and also one for the radius of those ears.
*  **Heat Wall:** I also want a setting to build a wall around the edges of the base to help with warping. This should allow control over height, width, and distance from the base edges.

**Advanced Parameters:**

*   **Circle Accuracy:** I need to be able to control the smoothness of circles/cylinders using a parameter.
*   **Base Height:** As mentioned before, I need a parameter to control the base plate height.
*   **Wall Width:**  I also need to control the thickness of the walls.
*   **Gap:**  As previously mentioned, I need to control the gap between the board and the walls.
*   **Top Height:** There should be an adjustment for the top height of the walls (i.e., above the UDOO board itself).
*   **Elevator Dimensions:** Adjustable height and width for the "elevator" posts.
*   **Wall Text:** I also need to be able to set a text string that will get written on one of the vertical walls.

**Hidden Parameters (for internal calculations - these shouldn't be directly controlled by the user):**

*   UDOO board length, width, and height.
*   An offset to adjust the vertical position of holes ("baseline")

**Optional/Nice to haves:**

*   **Screw Holes (Top):** Eventually it would be nice to have screw holes for attaching the top, but this isn't essential right now.

*   **2.5" Drive Mount:** In the future, I might want an option to have a 2.5" drive mount on top, but this is definitely out of scope for right now.

**Important:**

*   I need to be able to choose if I want to generate the full case with top and bottom (a "closed" case for display), just the bottom part, or just the top part.

* The `write/Write.scad` library is used for writing text.

The code that I have includes all the necessary dimensions. I believe that should give you a good overview of what I'm after! Let me know if you have any questions.

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

//which parts should be created
part = "closed"; // [both:Bottom and Top,bottom:Bottom only,top:Top Only,closed:Closed case(for display only- not printable)]

/* [Connectors Bottom] */
open_power_input=1; // [1:Open,0:Closed]
open_power_and_reset_button=1; // [1:Open,0:Closed]
open_micro_usb=1; // [1:Open,0:Closed]
open_hdmi=1; // [1:Open,0:Closed]
open_network=1; // [1:Open,0:Closed]
open_usb=1; // [1:Open,0:Closed]
open_audio_in=1; // [1:Open,0:Closed]
open_audio_out=1; // [1:Open,0:Closed]
open_sd_slot=1; // [1:Open,0:Closed]

/* [Connectors Top] */
open_gpio=1; // [1:Open,0:Closed]
open_sata=0; // [1:Open,0:Closed]
open_lvds=0; // [1:Open,0:Closed]
open_camera=0; // [1:Open,0:Closed]
open_dc_in=0; // [1:Open,0:Closed]
open_rtc_batt=0; // [1:Open,0:Closed]
open_additional_usb=0; // [1:Open,0:Closed]
open_spi=1; // [1:Open,0:Closed]

/* [Anti-Warp] */
//add mouse ears around the corners
add_mouse_ears=0; //[1:Yes,0:No]
mouse_ear_radius=12; // [0:20]

//build a wall around the edges
add_heat_wall=0; ////[1:Yes,0:No]
heat_wall_height=25; // [10:30]
heat_wall_width=1; // [1:5]
heat_wall_distance=5; //[1:10]

/* [Advanced] */
circle_accuracy=50; // [25:200]
//base height for ground/top plate
ground_height=2; // [1:5]
wall_width=2; // [1:5]
//gap between board and wall
gap=2; // [0:10]
//additional wall height
top_height=9; // [5:15]
//height of the four elevator sockets
elevator_width=6; // [1:10]
elevator_height=4; // [0:10]
wall_text="UDOO";

/* [Hidden] */
udoo_board_length=110;
udoo_board_width=86;
udoo_board_height=18;
//additional vertical offset for each hole ("baseline")
hole_vertical_offset=2;

//don't turn top
debug=false;
//ovverride default config above
all_on=false;

/* derived vars */

total_ground_length=udoo_board_length+2*gap+2*wall_width;
total_ground_width=udoo_board_width+2*gap+2*wall_width;
wall_height=udoo_board_height+top_height;
top_hole=3*ground_height;

/* uncomment block below to override config for development */
/*
	open_power_input=1;
	open_power_and_reset_button=1;
	open_micro_usb=1;
	open_hdmi=1;
	open_network=1;
	open_usb=1;
	open_audio_in=1;
	open_audio_out=1;
	open_sd_slot=1;

	open_gpio=1;
	open_sata=1;
	open_lvds=1;
	open_camera=1;
	open_dc_in=1;
	open_rtc_batt=1;
	open_additional_usb=1;
	open_spi=1;

	add_mouse_ears=1;
	//add_heat_wall=1;
	heat_wall_width=2;
   mouse_ear_radius=20;
   part="bottom";
*/

include <write/Write.scad>

/* *************BOTTOM****************** */

module ground(){
 cube([total_ground_length,total_ground_width,ground_height]);
}

module long_wall(){
 cube([total_ground_length,wall_width,wall_height]);
}

module short_wall(){
 cube([wall_width,total_ground_width,wall_height]);
}

module all_walls(){
	ground();

	//long wall with all the connectors
	translate([0,0,ground_height]){
		long_wall();
	}

	//long wall wih the power input
	translate([0,total_ground_width-wall_width,ground_height]){
		long_wall();
	}

	//short wall with power button
	translate([0,0,ground_height]){
		short_wall();
	}

	//short wall with no holes
	translate([total_ground_length-wall_width,0,ground_height]){
    difference(){
     short_wall();
       if (wall_text!=""){
			writecube(wall_text,[wall_width-1,total_ground_width/2,wall_height/2],[wall_width,total_ground_width,wall_height],face="right",h=12);
       }
    }

	}
}
module hole_in_long_wall_1(offset,width,height,voffset=0,type="cube"){
 translate([wall_width+gap+offset,-1,ground_height+elevator_height+hole_vertical_offset+voffset]){
   if (type=="cube"){
   	  cube([width,wall_width+2,height]);
   } else if (type=="cylinder") {
     translate([width/2,wall_width,height/2])rotate(a=90, v=[1,0,0])cylinder(h=wall_width+2,r=width/2,$fn=circle_accuracy,center=true);
   }
 }
}

module hole_in_long_wall_2(offset,width,height,voffset=0,type="cube"){
 translate([wall_width+gap+offset,total_ground_width-wall_width-1,ground_height+elevator_height+hole_vertical_offset+voffset]){
 if (type=="cube"){
   	  cube([width,wall_width+2,height]);
   } else if (type=="cylinder") {
     translate([width/2,wall_width,height/2])rotate(a=90, v=[1,0,0])cylinder(h=wall_width+2,r=width/2,$fn=circle_accuracy,center=true);
   }
 }
}

module hole_in_short_wall(offset,width,height,voffset=0){
 translate([-1,wall_width+gap+offset,ground_height+elevator_height+hole_vertical_offset+voffset]){
   cube([wall_width+2,width,height]);
 }
}

module hdmi(){
 hole_in_long_wall_1(34,16,7);
}

module micro_usb(){
 hole_in_long_wall_1(8,23,6,-1);
}

module network(){
 hole_in_long_wall_1(51,16,15);
}

module usb(){
 hole_in_long_wall_1(68,17,14.5);
}

module audio_out(){
 hole_in_long_wall_1(86,8.5,9,type="cylinder",voffset=3);
}
module audio_in(){
 hole_in_long_wall_1(95.5,8.5,9,type="cylinder",voffset=3);
}

module power_input(){
 hole_in_long_wall_2(2,10,10,voffset=2,type="cylinder");
}

module power_reset_button(){
 hole_in_short_wall(7,17,9);
}

module sd_slot(){
 hole_in_short_wall(34,13,4);
}

module elevators(){
 translate([wall_width+gap,wall_width+gap,ground_height])cube([elevator_width,elevator_width,elevator_height]);
 translate([total_ground_length-wall_width-gap-elevator_width,wall_width+gap,ground_height])cube([elevator_width,elevator_width,elevator_height]);
 translate([wall_width+gap,total_ground_width-wall_width-gap-elevator_width,ground_height])cube([elevator_width,elevator_width,elevator_height]);
 translate([total_ground_length-wall_width-gap-elevator_width,total_ground_width-wall_width-gap-elevator_width,ground_height])cube([elevator_width,elevator_width,elevator_height]);
}

module mouse_ear_cylinders(){
  for (i = [0,total_ground_length]){
   for (j = [0,total_ground_width]){
		color("grey")translate([i,j,0])cylinder(r=mouse_ear_radius,h=0.5,$fn=circle_accuracy);
   }
  }
}
module mouse_ears(){
	if(add_mouse_ears==1){
		difference(){
			mouse_ear_cylinders();
			translate([0,0,-1])cube([total_ground_length,total_ground_width,3*ground_height]);
	 	}
	}
}

module heat_wall(){
	if(add_heat_wall==1){
		translate([-heat_wall_distance-heat_wall_width,-heat_wall_distance-heat_wall_width,0])difference(){
			cube([total_ground_length+2*(heat_wall_distance+heat_wall_width),total_ground_width+2*(heat_wall_distance+heat_wall_width),heat_wall_height]);
			translate([heat_wall_width,heat_wall_width,-1])cube([total_ground_length+2*heat_wall_distance,total_ground_width+2*heat_wall_distance,heat_wall_height+2]);
		}
	}
}

module udoo_case_bottom(){
 difference(){
	all_walls();

 /* long wall 1 holes */
  if (open_micro_usb==1){
	 micro_usb();
  }

   if (open_hdmi==1){
     hdmi();
   }

  if (open_network==1){
    network();
  }

  if (open_usb==1){
    usb();
  }

  if (open_audio_in==1){
    audio_in();
  }
  if (open_audio_out==1){
    audio_out();
  }

 /* long wall 2 holes */
 if (open_power_input==1){
  power_input();
 }

 /* short wall holes */
 if (open_power_and_reset_button==1){
   power_reset_button();
 }

 if (open_sd_slot==1){
   sd_slot();
 }
 } // end of difference

 elevators();

} // end of module udoo_case_bottom

/* *************TOP****************** */

module top_gpio(){
	//north
	translate([30,87,0])cube([80,4,top_hole]);
	//east
	translate([106,37,0])cube([6,54,top_hole]);
	//south
	 translate([40,37,0])cube([67,4,top_hole]);
}

module top_lvds(){
	translate([88,30,0])cube([26,6,top_hole]);
}
module top_sata(){
	translate([96,24,0])cube([18,7,top_hole]);
}
module top_camera(){
	translate([111,10,0])cube([4,12,top_hole]);
}
module top_dc_in(){
	translate([63,33,0])cube([8,6,top_hole]);
}
module top_rtc_batt(){
	translate([6,30,0])cube([4,7,top_hole]);
}
module top_usb(){
	translate([20,10,0])cube([10,5,top_hole]);
}
module top_spi(){
	translate([73,22,0])cube([12,4,top_hole]);
}

module top_base_frame(){
 //main plate
  translate([0,0,ground_height])cube([total_ground_length,total_ground_width,ground_height]);

  //frame
  translate([wall_width,wall_width,0]) difference(){
  cube([total_ground_length-2*wall_width,total_ground_width-2*wall_width,ground_height]);
  translate([1,1,-1])cube([total_ground_length-2*wall_width-2,total_ground_width-2*wall_width-2,ground_height]);
  }

  //corners
  corner_height=7;
  corner_length=5;
  translate([wall_width,wall_width,ground_height-corner_height])cube([corner_length,wall_width,corner_height]);
  translate([total_ground_length-wall_width-corner_length,wall_width,ground_height-corner_height])cube([corner_length,wall_width,corner_height]);

   translate([wall_width,total_ground_width-2*wall_width,ground_height-corner_height])cube([corner_length,wall_width,corner_height]);

  translate([total_ground_length-2*wall_width,total_ground_width-wall_width-corner_length,ground_height-corner_height])cube([wall_width,corner_length,corner_height]);
}

module udoo_case_top(){
  difference(){
	top_base_frame();

  if (open_gpio==1){
	 top_gpio();
  }

  if (open_sata==1){
	 top_sata();
  }

 if (open_lvds==1){
	 top_lvds();
  }

 if (open_camera==1){
	 top_camera();
  }
 if (open_dc_in==1){
	 top_dc_in();
  }
 if (open_rtc_batt==1){
	 top_rtc_batt();
  }
 if (open_additional_usb==1){
	 top_usb();
  }

if (open_spi==1){
	 top_spi();
  }
 } //end of difference

}

/* ************* "MAIN PROGRAM" ****************** */

if (part=="both"){
 translate([0,-total_ground_width/2,0]){
   udoo_case_bottom();
    //Test holes here
   // hole_in_long_wall_1(87,19,14,type="cylinder");
 }
 translate([-total_ground_length-2,total_ground_width/2,2*ground_height])rotate([180,0,0])udoo_case_top();

} else if (part=="bottom"){
 translate([-total_ground_length/2,-total_ground_width/2,0]){
	udoo_case_bottom();
	mouse_ears();
	heat_wall();
 }
} else if (part=="top") {
  if(debug==true){
  	udoo_case_top();
  } else {
	translate([-total_ground_length/2,total_ground_width/2,2*ground_height])rotate([180,0,0])udoo_case_top();
  translate([-total_ground_length/2,-total_ground_width/2,0]) mouse_ears();

  }

} else if (part=="closed"){
  color("Crimson")translate([-total_ground_length/2,-total_ground_width/2,0])udoo_case_bottom();
  color("Khaki")translate([-total_ground_length/2,-total_ground_width/2,0])translate([0,0,wall_height]) udoo_case_top();
} else {
 echo("unknown part");
 //test code here

}

//TODO: screw holes (top)

//Nice to have
//TODO: Text on walls / top ?
//TODO: 2.5'' drive case on top?

```


[User]
Okay, so I'm looking to create a parametric box with rounded corners and a matching lid, and I'd like the lid to fit nicely on the box, with a configurable spacing between them. I have some existing code that's a bit buggy, so I'd prefer to start from scratch and just use it as a guideline for what I'm trying to achieve.

Here's what I want:

*   **Box Dimensions:**
    *   I need to define the outer dimensions of the box using `size_x` (width) and `size_y` (depth). These should be parameters.
    *   I need to specify a `rim_height` which determines the height of the box portion.

*   **Wall Thickness:**
    *   The wall thickness of both the box and lid should be defined by a parameter called `size_z`.

*   **Rounded Corners:**
    *   All corners of the box and lid should be rounded.
    *   The radius of these corners should be defined using a parameter called `corner_radius`.
    *  I'd like to define `corner_faces` to adjust the smoothness of the curves by changing the number of segments per curve.

*   **Lid:**
    *   The lid should have the same basic shape and rounded corners as the box.
    *   The height of the lid should always be half the height of the `rim_height` of the box.
    *   The lid should fit over the box with a small configurable spacing. I need a parameter called `spacing` that controls this spacing. The lid's dimensions should account for the spacing and wall thickness to fit over the box. The lid needs to fit *around* the box.

*   **Parametric Design:**
    *   Everything should be fully parametric, so I can easily adjust the dimensions, wall thickness, corner radius, spacing, and corner smoothness just by changing the initial variables.

I do not want the design to assume any specific Z size, so it needs to be parameterized!

Basically, I want a clean and well-structured OpenSCAD file that I can easily customize. Also, I would appreciate it if you could use a single function for creating the rounded corner plate structure with parameters for width, height, thickness, corner radius, and corner faces. You should use this in generating both the box base and lid.

Please use the BOSL library if needed, but I do not need any other libraries. I'm comfortable with the basics of OpenSCAD and just want a solid, parametric starting point.

[Assistant]
parametric_rounded_box.scad:
```
//outer size (x)
size_x=50;

//outer size (x)
size_y=30;

//wall thickness
size_z=0.5;

//radius or the rounded corners
corner_radius=5;

//total number of faces for all corners
corner_faces=32;

spacing=size_z+1;
size_x_2=size_x+spacing;
size_y_2=size_y+spacing;

//height of the box
rim_height=10;

rim_height_2=rim_height/2;

module plate (sizeX, sizeY, sizeZ, cornerRadius, cornerFaces)
{
	union()
	{
		difference()
		{
			cube([sizeX,sizeY,sizeZ]);
			cube([cornerRadius,cornerRadius,	sizeZ+1]);
			translate([sizeX-cornerRadius,0,0]) cube([cornerRadius,cornerRadius,sizeZ+1]);
			translate([0,sizeY-cornerRadius,0]) cube([cornerRadius,cornerRadius,sizeZ+1]);
			translate([sizeX-cornerRadius,sizeY-cornerRadius,0]) cube([cornerRadius,cornerRadius,sizeZ+1]);
		}
		translate([cornerRadius,cornerRadius,0]) cylinder(r=cornerRadius,h=sizeZ, $fn=cornerFaces);
		translate([sizeX-cornerRadius,cornerRadius,0]) cylinder(r=cornerRadius,h=sizeZ, $fn=cornerFaces);
		translate([cornerRadius,sizeY-cornerRadius,0]) cylinder(r=cornerRadius,h=sizeZ, $fn=cornerFaces);
		translate([sizeX-cornerRadius,sizeY-cornerRadius,0]) cylinder(r=cornerRadius,h=sizeZ, $fn=cornerFaces);
	}
}

//Generate box
union()
{
	difference()
	{
		plate (size_x, size_y,rim_height, corner_radius, corner_faces);
		translate([size_z,size_z,0])
		plate (size_x-(2*size_z), size_y-(2*size_z),rim_height, corner_radius-size_z, corner_faces);
	}
	plate (size_x, size_y, size_z, corner_radius, corner_faces);
}

//Generate lid
translate([0,size_y+10,0])

//assembled view
//translate([size_x+(spacing/2),-(spacing/2),rim_height+size_z])
//rotate([0,180,0])

#union()
{
	difference()
	{
		plate (size_x_2, size_y_2,rim_height_2, corner_radius, corner_faces);
		translate([size_z,size_z,0])
		plate (size_x_2-(2*size_z), size_y_2-(2*size_z),rim_height_2, corner_radius-size_z, corner_faces);
	}
	plate (size_x_2, size_y_2, size_z, corner_radius, corner_faces);
}

```


[User]
Okay, I'd like a parametric OpenSCAD file for a can handle, building on an existing design I have. I've been playing around with this design, and want to make it more flexible.

Here's the basic idea. It's a handle that clips onto a standard cylindrical can, like a soda or beer can, but I want to be able to adjust it more easily for different can sizes.

The design has these core features:

*   **Main Handle Body:** A rectangular prism that forms the main gripping area. This body needs to have adjustable height, currently `canh + 3`, where `canh` is the can height. There is also a handle thickness `thick` which I need to be adjustable.

*   **Grip Indentation:** There's a cutout that's formed by subtracting two cylinders from the main body. This provides a comfortable grip. This has a fixed radius of 150 and 150-15. The center of the cylinder is at `height/2, -120`.

*   **Grip Text:** Circular text that follows the grip indent. The text can be set to bold or non-bold, which changes the spacing, and can be inset or raised from the grip surface. The center of this text is also at `height/2, -120`. The text itself is defined using the `writecircle` command, which comes from the `Write.scad` library. It also has a fixed radius of 150-15/2. The thickness of the text is 4 units if inset, and 3 if raised. The height is always 8 units.

*   **Top and Bottom Clips:** There are a set of clips at the top and bottom which hold the can. The top clip has a 3mm thick vertical section, a 6x6.5mm block, and an overlapping curved section. The bottom clip is similar but the vertical section is 3mm thick, it has a 9x10mm block, and an overlapping curved section formed by taking the difference of a cylinder. The top curved clip is at y=-30. The bottom curved clip has r1=can radius, r2=26, and is centered on y=-53.

*   **Anti-rotation pegs:** There are two small cylinder pegs that keep the handle from rotating.

Here's what I want to be able to configure via parameters:

*   **`text`:**  The text printed on the grip.
*   **`bold`:** A boolean toggle (Yes/No) to make the text bolder, which changes the spacing.
*   **`canh`:** The height of the can in mm.
*   **`raise`:** A boolean toggle (Yes/No) to make the text raised instead of inset.
*   **`cand`:** The diameter of the can.
*   **`thick`:** Handle thickness.

I'd like the OpenSCAD file to use the `Write.scad` library for the text. I'm looking for a parametric design, where I can easily change the variables, not just a direct conversion of my current code. The key is to make it easier to adjust the size of the handle for different cans and grip preferences. I'd also like the default units to be in mm. Finally, I want the code to be well-commented to help me understand it and make modifications later. Can you help me with this?

[Assistant]
Can_Handle_V6.scad:
```
use <write/Write.scad>;
// preview[view:south, tilt:top]

// What to Print on Handle
text = "Your Text Here";
// Make the text wider so it is clearer?
bold = "No"; // [Yes,No]
// Height of Can in mm (125 should work for 12 oz cans and 160 should work for 16 oz cans in North America)
canh = 125;
// Raised Text?
raise="No"; // [Yes,No]

/* [Hidden] */
// Diameter of Can
cand = 66;

height=canh+3;

// Handle Thickness
thick=25;
$fa=1;

// Grip
intersection () {
	cube([height,50,thick]);
	difference () {
		translate([height/2,-120,0])cylinder(r=150,h=thick);
		translate([height/2,-120,-1]) cylinder(r=150-15,h=thick+2);
// Grip Text
if (bold=="Yes") {translate([height/2,-120,thick]) writecircle(text,[0,0,0],150-15/2,t=4,h=8, space=1.1);}
else {translate([height/2,-120,thick]) writecircle(text,[0,0,0],150-15/2,t=4,h=8, space=1);}
if (bold=="Yes"){translate([height/2,-120,thick]) rotate ([0,0,.2])writecircle(text,[0,0,0],150-15/2,t=4,h=8, space=1.1);}
}
}
if (raise=="Yes") {
	if (bold=="Yes") {translate([height/2,-120,thick]) writecircle(text,[0,0,0],150-15/2,t=3,h=8, space=1.1);}
	else {translate([height/2,-120,thick]) writecircle(text,[0,0,0],150-15/2,t=3,h=8, space=1);}
	if (bold=="Yes"){translate([height/2,-120,thick]) rotate ([0,0,.2])writecircle(text,[0,0,0],150-15/2,t=3,h=8, space=1.1);}
}

difference() {
translate([0,-5,0]) cube([10,10,thick]);
translate([13,-5,-1]) cylinder(r=10,h=thick+2);
}
difference() {
translate([height-10,-5,0]) cube([10,10,thick]);
translate([height-13,-5,-1]) cylinder(r=10,h=thick+2);
}

// Top clip
translate([0,-34,0])cube([3,48,thick]);
difference() {
	translate([0,-30,0])cube([6,6.5,thick]);
	translate([3,-53,thick/2])rotate ([0,90,0]) cylinder(r=27,h=5);
}
intersection() {
	translate([0,-34,0])cube([6,9,thick]);
	translate([0,-53,thick/2])rotate ([0,90,0]) cylinder(r=25,h=10);
}

// Bottom clip
translate([height-3,-86,0])cube ([3,82,thick]);

difference() {
	translate([height-9,-29,0])cube ([9,10,thick]);
	translate([height-11.9,-53,thick/2])rotate ([0,90,0]) cylinder(r2=26,r1=cand/2,h=9);
}

difference() {
	translate([height-9,-86,0])cube ([9,10,thick]);
	translate([height-11.9,-53,thick/2])rotate ([0,90,0]) cylinder(r2=26,r1=cand/2,h=9);
}

intersection() {
	translate([height-7,-77,0])cube ([7,50,thick]);
	translate([height-9,-53,thick/2])rotate ([0,90,0]) cylinder(r=21,h=10);
}
```


[User]
Okay, I'm looking to design a customizable box with a lid in OpenSCAD. I have a basic idea and some parameters in mind, but I need a more robust and flexible design.

Here's what I'm aiming for:

*   **Basic Box Structure:** The box will be a simple rectangular prism.
*   **Lid:** The lid should be a separate piece that fits snugly onto the box.
*   **Parametric Dimensions:** I want to be able to easily adjust these parameters:
    *   `boxX`: Width of the box (in mm).
    *   `boxY`: Depth of the box (in mm).
    *   `boxZ`: Height of the box (in mm).
    *   `wallT`: Thickness of the box walls (in mm).
    *   `lidZ`: Height of the lid's lip that inserts into the box (in mm).
    *   `lidClearance`: A clearance value (in mm) to control how tightly the lid fits, with smaller values meaning tighter fits.
*   **Printing Control:** I'd like to be able to control whether the box and lid are generated separately with boolean values `printBox` and `printLid`, where 1 means "yes" and 0 means "no".
*   **Lid Inset:** The lid should have an inset that fits into the box, taking into account the wall thickness and lid clearance.
*   **Visual Separation:** In the OpenSCAD code, the box and lid should be visually separate from each other by 10mm in the x dimension to facilitate understanding.

I'd like the final OpenSCAD code to be fully parametric and easy to modify. Could you help me generate that? Please make sure to document the code well so I can easily understand what's going on. I am expecting that the output will be a single .scad file. I do not need or want external library dependencies.

[Assistant]
AnotherCustomizableBox.scad:
```
// Customizable box with lid
// by Hari Wiguna, Oct 2013

// Box Width (mm)
boxX = 20;

// Box Depth (mm)
boxY = 20;

// Box Height (mm)
boxZ = 10;

// Wall Thickness (mm)
wallT = 1;

// Lid lip height (mm)
lidZ = 5;

// (mm. Smaller number means tighter fit)
lidClearance = 0.24;

// Choose No if you're just tweaking the lid clearance
printBox = 1; // [1:Yes,0:No]

printLid = 1; // [1:Yes,0:No]

t2 = wallT * 2;
t4 = wallT * 4;

// Generate Box & Lid
union()
{
	Box();
	translate([-boxX-10,0,0]) Lid();
}

module Box()
{
	if (printBox==1)
	difference()
	{
		// Outer box
		cube([boxX, boxY, boxZ]);

		// Subtract inner void
		translate([wallT, wallT, wallT])
			cube([boxX-t2,boxY-t2,boxZ]);
	}
}

module Lid()
{
	if (printLid==1)
	union()
	{
		cube([boxX, boxY, wallT]);
		LidInset(boxX, boxY, lidZ);
	}
}

module LidInset(x,y,z)
{
	f = lidClearance;
	translate([wallT+f, wallT+f, wallT])
	difference()
	{
		cube([x-2*(wallT+f), y-2*(wallT+f), z-wallT]);

		translate([wallT,wallT,0])
			cube([x-t4-(2*f), y-t4-(2*f), z]);
	}
}
```


[User]
Okay, I'd like to request a parametric OpenSCAD design for a phone mount. I have a few specific requirements, and I've seen some existing designs, but none quite fit what I'm looking for.

The mount should basically be a clip that grips the phone on its sides and has options for screw attachments. Here's a breakdown of the features and parameters I'd like to control:

**Device Dimensions:**

*   `device_thickness`:  The thickness of the phone.
*   `device_width`: The width of the phone.
*   I'd like to have a hidden `arbitrary_device` variable to test other phone sizes in the future. Maybe set as `[11.3,72.6,131.8]` initially

**Clip Parameters:**

*   `clip_thickness`: The thickness of the material used for the clip. This should be adjustable, as it affects the flexibility and strength of the clip.
*   `clip_width`: The width/height of the clip itself.
*   `clip_grip_length`: The length of the tabs that extend over the face of the phone to hold it in place.
*   `gripping_tolerance`: An adjustable gap between the clip and the phone surfaces. This is useful for accounting for different material properties (like ABS shrinkage) or phone cases.

**Screw Attachments:**

*   `screw_attachment_thickness`: The depth of the material where the screw will go. The screw should *not* pass through the clip and press against the phone.
*   `screw_width`: How wide the material around the screw attachment should be.
*   `back_screw`: A boolean flag to enable or disable a screw attachment on the back of the clip. This needs to be `TRUE` or `FALSE`.
*   `back_screw_location`: If `back_screw` is enabled, this determines where the screw is placed ( `TOP`, `CENTER`, or `BOTTOM` of the clip).
*  `bottom_screw`: A boolean flag to enable or disable a screw attachment on the bottom of the clip, also `TRUE` or `FALSE`.

**Screw Specifications:**

*   `conversion`:  A number to scale from either millimeters (`1`) or inches (`25.4`).
*   `diameter_major`: The major diameter of the screw (before scaling).
*   `pitch`: The pitch of the screw attachment (before scaling).
*  `Smoothness`: Integer to control screw smoothness; no higher than 5 is advised.

**Additional Notes:**

*   The design should create a functional screw using the specified parameters, not just a hole.
*   I'd like the design to use a modular approach, where each component (the clip, the screw attachment, etc.) is created within a module.

I am not using any external libraries here. I'm envisioning a single, self-contained .scad file for this design.

[Assistant]
parametric_phone_mount_3.scad:
```
/* [Device] */
device_thickness = 11.3;
device_width = 72.6;

/* [Clip] */
//how thick the material should be; too thick and it won't bend, too thin and it could be too loose or worse break
clip_thickness = 3;
//the width/height of the clip
clip_width = 15;
//the length of the tabs that reach across the face of the device
clip_grip_length = 5;
//adds x space between all surfaces that contact device
gripping_tolerance = 0;

/* [Screw Attachments] */
//how deep the screw attachment is; note, screws can't go all the way through the clip; this prevents it from pressing against the device
screw_attachment_thickness = 6;
//increases the width of material surrounding where the screw will screw in
screw_width = 15;
//adds a spot to attach a screw on the back center of the clip
back_screw = "TRUE"; // [TRUE,FALSE]
//chooses where to place the back screw
back_screw_location = "CENTER"; // [TOP,CENTER,BOTTOM]
//adds a spot to attach a screw on the bottom of the clip
bottom_screw = "TRUE"; // [TRUE,FALSE]

/* [Screw Specifications] */
// specifies whether the screw is millimeters or inches; value of 1 for millimeters, value of 25.4 for inches
conversion = 25.4; // [1,25.4]
// the major diameter of the screw
diameter_major = 0.25;
// the pitch of the screw attachment
pitch = 0.05;
// integer multiplies the smoothness of the screw; suggested smoothness no greater than 5
Smoothness = 4;

/* [Hidden] */
arbitrary_device = [11.3,72.6,131.8];
Diameter_major = diameter_major*conversion;
Pitch = pitch*conversion;
Height = screw_attachment_thickness;
pi = 3.14159265359;
Circumference_major = Diameter_major*pi;
d27 = Pitch/8;
d28 = Pitch-d27;
d29 = 1.1*(Pitch-d27)/2;
number_of_bits = 8*Smoothness;
bit_thickness = 2.65/Smoothness;
$fn = 30;

A = [d28*cos(30),d28/2];
B = [d28*cos(30),d29];
C = [d28,d29];
D = [d28,-d29];
E = [d28*cos(30),-d29];
F = [d28*cos(30),-d28/2];
G = [d27*cos(30),-d27/2];
H = [d27*cos(30),d27/2];

module bit(Diameter_major,Pitch,Height,bit_thickness){
	translate([Diameter_major/2-d28*cos(30),bit_thickness/2,-d28/2+(d28+d27)*0]){
		rotate([90,0,0]){
			linear_extrude(height = bit_thickness)polygon(
				points = [A,B,C,D,E,F,G,H],
				paths = [[0,1,4,5,6,7]]
			);
		}
	}
}

module external_screw(Diameter_major,Pitch,Height,Smoothness){
	difference(){
		cylinder(r=Diameter_major/2-0.01,h=Height);
		for(j=[0:abs(Height)+1]){
			translate([0,0,Pitch*j]){
				rotate([0,0,j]){
					for(i=[0:(number_of_bits-1)]){
						translate([0,0,(1/number_of_bits)*Pitch*i]){
							rotate([0,0,(360/number_of_bits)*i]){
								bit(Diameter_major,Pitch,Height,bit_thickness);
							}
						}
					}
				}
			}
		}
	}
}

module screw_attachment(screw_width){
	difference(){
		translate([-screw_width/2,-clip_width/2,0]){
			cube([screw_width,clip_width,screw_attachment_thickness]);
		}
		translate([0,0,-0.1]){
			external_screw(Diameter_major,Pitch,Height+0.2,Smoothness);
		}
	}
}

module clip (){
	translate([0,clip_thickness/2,clip_width/2]){
		cube([device_width+gripping_tolerance*2,clip_thickness,clip_width],center=true);
	}
	translate([gripping_tolerance,0,0]){
		translate([(device_width)/2+clip_thickness/2,device_thickness/2+clip_thickness/2+gripping_tolerance,clip_width/2]){
			cube([clip_thickness,device_thickness+clip_thickness+gripping_tolerance*2,clip_width],center=true);
		}
		difference(){
			hull(){
				difference(){
					translate([device_width/2+clip_thickness,device_thickness+clip_thickness+gripping_tolerance*2,clip_width/2]){
						rotate([-90,0,0]){
							cylinder(r=clip_width/2,h=clip_thickness,$fn=30);
						}
					}
					translate([(device_width+gripping_tolerance)/2-clip_thickness*4/2,device_thickness/2+clip_thickness/2,clip_width/2]){
						cube([clip_thickness*4,device_thickness*5,clip_width*2],center=true);
					}
				}
				translate([device_width/2+clip_thickness/2-clip_grip_length,device_thickness+clip_thickness/2*3+gripping_tolerance*2,clip_width/2]){
					cube([clip_thickness,clip_thickness,clip_width],center=true);
				}
			}
			if(device_thickness < 5.2){
				translate([device_width/2+clip_thickness+gripping_tolerance,4,clip_width/2]){
					rotate([90,0,90]){
						external_screw(Diameter_major,Pitch,Height,Smoothness);
					}
				}
			}
		}
	}
	mirror(){
		translate([gripping_tolerance,0,0]){
			translate([(device_width)/2+clip_thickness/2,device_thickness/2+clip_thickness/2+gripping_tolerance,clip_width/2]){
				cube([clip_thickness,device_thickness+clip_thickness+gripping_tolerance*2,clip_width],center=true);
			}
			hull(){
				difference(){
					translate([device_width/2+clip_thickness,device_thickness+clip_thickness+gripping_tolerance*2,clip_width/2]){
						rotate([-90,0,0]){
							cylinder(r=clip_width/2,h=clip_thickness,$fn=30);
						}
					}
					translate([(device_width+gripping_tolerance)/2-clip_thickness*4/2,device_thickness/2+clip_thickness/2,clip_width/2]){
						cube([clip_thickness*4,device_thickness*5,clip_width*2],center=true);
					}
				}
				translate([device_width/2+clip_thickness/2-clip_grip_length,device_thickness+clip_thickness/2*3+gripping_tolerance*2,clip_width/2]){
					cube([clip_thickness,clip_thickness,clip_width],center=true);
				}
			}
		}
	}
	if(back_screw == "TRUE"){
		if(back_screw_location == "TOP"){
			translate([-device_width/2+screw_width/2-clip_thickness,0,clip_width/2]){
				rotate([90,0,0]){
					screw_attachment(screw_width);
				}
			}
		}
		if(back_screw_location == "CENTER"){
			translate([0,0,clip_width/2]){
				rotate([90,0,0]){
					screw_attachment(screw_width);
				}
			}
		}
		if(back_screw_location == "BOTTOM"){
			translate([device_width/2+clip_thickness-screw_width/2,0,clip_width/2]){
				rotate([90,0,0]){
					screw_attachment(screw_width);
				}
			}
		}
	}
	if(bottom_screw == "TRUE"){
		translate([device_width/2+clip_thickness+gripping_tolerance,(device_thickness+clip_thickness)/2,clip_width/2]){
			rotate([90,0,90]){
				screw_attachment(device_thickness+clip_thickness);
			}
		}
	}
}

module device (){
	translate([0,clip_thickness+arbitrary_device[0]/2,clip_width/2]){
		rotate([0,0,90]){
			cube(arbitrary_device,center=true);
		}
	}
}

//#translate([0,gripping_tolerance,0]){
//	device();							//used for visualizing how device fits in the grip with and without tolerances
//}

clip();
```


[User]
Okay, I'd like to design a comb with my name on it, similar to the example you provided. I need a parametric OpenSCAD file that I can use to customize the comb's size, tooth spacing, and text.

Here are the specifications I have in mind:

**General Comb Structure:**

*   The basic shape should be a "langloch" shape – a rectangle with semicircular ends – that forms the backbone of the comb.
*   The comb should have teeth that are perpendicular to the main body.
*   There should be space for engraved text, preferably on the main body near the teeth.

**Parameters to Control:**

*   **`comb_length` (B):** The overall length of the rectangular part of the comb's backbone. Default should be 150 mm.
*   **`comb_thickness` (T):** The thickness/width of the rectangular part of the backbone. Default should be 40 mm.
*   **`comb_height` (H):** The overall height (or depth/z-dimension) of the comb. Default should be 1.5 mm.
*   **`tooth_width`:**  The width of an individual tooth. Default should be 1.5 mm.
*   **`tooth_depth`:**  The length of the teeth extending from the backbone. Default should be 70 mm.
*   **`tooth_spacing`:** The distance between teeth. Default should be 2.5 mm (center to center, I guess).
*   **`text`:**  The text to be engraved. Default should be "Your Name".
*   **`text_size`:** Height of the engraved text. Default should be 7 mm.
*   **`text_thickness`:** The thickness/depth of the extruded text. Default should be 0.9 mm.

**Specific Features:**

*   The teeth should be created using a loop so I can easily adjust the spacing and number through the parameters. I think a `for` loop should work.
*   The text should be engraved (recessed) on the comb.
*   The comb should rotate 90 degrees so it lays flat on the printer bed when rendered, also make sure it is rotated 180 degrees in Z.
*   The text should be centered on the comb body.

**Libraries:**

*   I know I will need the `write` module from the `Write.scad` library (which may or may not exist locally). Please ensure that you include a version of this library if it isn't a standard inclusion of OpenSCAD.

**Output:**

I’d like a single `.scad` file that includes all the necessary definitions and parameters. The file should be well-commented, making it easy to understand and modify later. Can you do that?

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

text="Your Name";

kamm(text=text);

module langloch(B=150,T=40,H=3)
{
  translate(v=[0,0,H/2]) {
    cube(size=[B-T,T,H],center=true);
  }
  translate(v=[-B/2+T/2,0,0]) {
    cylinder(h=H,r=T/2);
  }
  translate(v=[B/2-T/2,0,0]) {
    cylinder(h=H,r=T/2);
  }
}

module kamm(B=150,T=40,H=1.5,text="Andreas Urben")
{
  rotate(a=[-90,0,180]) {
    difference() {
      translate(v=[0,0,-H/2]) {
        langloch(B=B,T=T,H=H);
      }
      for (n=[-21:21]) {
        translate(v=[(n*2.5)-0.75,-5,-H/2]) {
          cube(size=[1.5,70,H+0.2]);
        }
      }
    }
    translate([0,-12,H/2]) {
      rotate(a=[0,0,180]) {
        write(text,t=0.9,h=7,center=true);
      }
    }
  }
}

// -- (c) 2013 Abdreas Urben (urbenan)
// -- GPL licens
```


[User]
Okay, I need some help designing a dust collection adapter for my router table. I have a Sears router table, which uses a 2.25-inch shop vac hose connection, but my shop vac has a smaller 1.25-inch hose. I'm looking for an adapter that will let me connect the smaller hose to the larger connection on the router table.

I've already found a simple OpenSCAD script that does a similar thing, and it uses some basic cylinders to create the adapter. It's a good starting point, but I'd like it to be more parametric, so I can easily adjust the dimensions if needed in the future or make other types of connections.

Here's the existing code I've found:

```
// Outer diameter in millimeters - use 57 for standard hose connection for 2 1/4" shop vac
outer = 57;
// Inner diameter in millimeters - use 31.25 for the tapered connector on a 1 1/4" shop vac
inner = 31.25;
// Length of adapter in millimeters
length = 40;

difference() {
cylinder( h=length, r=outer/2, center=false, $fn=144 );
cylinder( h=length, r=inner/2, center=false, $fn=144 );
}
```

Specifically, I'd like the new script to:

1.  **Be parametric:** I want to easily change the outer and inner diameters, as well as the length, through variables. I'd like variables named `outer_diameter`, `inner_diameter`, and `adapter_length`. Let's use millimeters for all measurements.
2.  **Be able to handle different hose connection types:** The 1.25-inch shop vac hose has a tapered end that connects to attachments. I want to account for that taper in the design. Let's include a variable, `taper_length`, that sets how long the tapered part of the adapter will be and `taper_angle` for the angle. I want the inner part of the adapter to start at `inner_diameter` at one end and widen to `inner_diameter` + `taper_diameter_increase` at the start of the taper. If no taper is needed, then I want to simply use `inner_diameter`.
3.  **Include fillets:** The edges on the adapter are sharp, and I want to make them more gentle using fillets. I would like to be able to set the `fillet_radius` for both the inside and outside edges. I’d also like a variable `fillet_segments` to set how smooth the fillet is.
4. **Have a user defined number of segments:** Currently the code uses 144 segments to create the cylinders. I'd like a user defined variable `segments` to specify the segment count for all the cylinders.

So, to summarize, the parameters I want to be able to control are:

*   `outer_diameter`: The outer diameter of the adapter (for 2.25" connection)
*   `inner_diameter`: The inner diameter of the adapter (for 1.25" connection)
*   `adapter_length`: The total length of the adapter
*   `taper_length`: The length of the tapered section for the inner connection
*   `taper_angle`: The angle of the taper for the inner connection
*   `taper_diameter_increase` The diameter increase from the start to end of the taper.
*    `fillet_radius`: The radius of the fillets
*    `fillet_segments`: The number of segments for the fillet curves
*   `segments`: The number of segments used to draw all cylinder and cone curves

I would prefer to use only the built-in OpenSCAD libraries for this design. Can you help me generate an OpenSCAD file with these features?

[Assistant]
shopvac-routertable.scad:
```
// Outer diameter in millimeters - use 57 for standard hose connection for 2 1/4" shop vac
outer = 57;
// Inner diameter in millimeters - use 31.25 for the tapered connector on a 1 1/4" shop vac
inner = 31.25;
// Length of adapter in millimeters
length = 40;

difference() {
cylinder( h=length, r=outer/2, center=false, $fn=144 );
cylinder( h=length, r=inner/2, center=false, $fn=144 );
}

```


[User]
Okay, I need a parametric pulley design, similar to what I've already created, but I'd like to make it more flexible.

I've been using a simple `rotate_extrude` to create a profile, and that works, but it's not very intuitive when I need to make certain adjustments. I think the biggest problem is that I want to be able to easily change the *shape* of the pulley's cross-section in more than just a linear way; things like curved valleys, not just straight ones, and I want to be able to control the "bulge" or "flatness" of the surface that the belt runs on.

Here's what I'd like to see in the new design:

**Core Functionality:**

*   **Parametric Design:** I need to be able to change key dimensions and the cross-section shape of the pulley through parameters.
*   **3D Printable:** Should print easily without supports.
*   **Central Hole:** A central hole for mounting on an axle, with a clearance parameter.
*   **Rim:** Rims on either side of the belt contact area to keep the belt centered.
*   **Belt Contact Area:** The surface that contacts the belt should be customizable. I want to define a profile shape for this using a few control points.
*   **Valley(s):** The area between the rim and the belt contact area should be also customizable. I'd like the option to curve the valley.
*   **Smooth Surfaces:** The pulley surface should be smooth.

**Specific Parameters I need to control:**

*   `pulley_height`: Total thickness of the pulley.
*   `pulley_radius`: Radius from the center to where the belt contact begins.
*   `rim_height`: Distance from the belt contact area to the rim edge.
*   `rim_width`: Width of the rim.
*   `hole_diameter`: Diameter of the center mounting hole.
*   `hole_clearance`: Clearance around the hole for a snug fit.
*   `belt_profile_points`: A list of (x, y) pairs that define the shape of the belt contact area. X is relative to `pulley_radius` and Y is relative to the center of the pulley height. This should allow things like flat, bulging, or concave shapes. There should be at least 3, and they should be in order along the profile (left to right). I think this is more flexible than only having an absolute parameter to specify the distance.
*  `valley_curve_strength` How much to curve the transition between the belt contact area and the rims. A value of 0 would be a straight line, while a higher value would curve into a radius. If the value is negative, this would curve the valley inward, rather than outward, to make a more aggressive rim. This is measured in millimeters and is a radius.
*   `valley_resolution`: An integer for controlling the number of line segments when creating the valley curve.
*   `segments`: Number of segments for the `rotate_extrude` (for smoothness). Should default to 180.

**Desired Output:**

*   A single `.scad` file with all parameters defined at the top.
*   The design should use the `rotate_extrude` function, similar to my original code.
*   The code should use the `polygon` function with a set of points to draw the outline for the `rotate_extrude`.
*   It would be helpful if it uses some kind of function to interpolate the spline curve, rather than just connecting straight lines, and `linear_extrude` to extrude a thin profile of the points into a shape for this.
*   If possible, use `BOSL2` for any needed functions, I've found that it has a lot of capabilities for handling shapes and curves.
*   Please provide comments to explain each step.

Can you please create this parametric pulley design for me?

[Assistant]
AnotherCustomizablePulley.scad:
```
// Another Customizable Pulley
// by Hari Wiguna, Oct 2013

// Total thickness of the whole pulley
PulleyHeight = 10;

// Center to pulley surface
PulleyRadius = 11;

// From pulley surface to rim surface
RimHeight = 5;

// How wide are the rims
RimWidth = 1;

ValleyWidth = RimHeight/2; // Set to RimHeight for a 45 degree valley
PulleySurface = PulleyHeight - (2*RimWidth) - (2*ValleyWidth);
RimRadius = PulleyRadius + RimHeight;

// Hole size
HoleDiameter = 2.96;

// Adjust for best fit. Smaller = tighter fit
HoleClearance = 0.1;

HoleRadius = (HoleDiameter / 2) + HoleClearance;

// Number of segments (higher = smoother)
$fn=180;

rotate_extrude(convexity = 10)
	Silhuette();

module Silhuette()
{
	polygon( points=[
		[HoleRadius,0],
		[RimRadius,0],
		[RimRadius,RimWidth],
		[PulleyRadius,RimWidth+ValleyWidth],
		[PulleyRadius,RimWidth+ValleyWidth+PulleySurface],
		[RimRadius,RimWidth+ValleyWidth+PulleySurface+ValleyWidth],
		[RimRadius,RimWidth+ValleyWidth+PulleySurface+ValleyWidth+RimWidth],
		[HoleRadius,RimWidth+ValleyWidth+PulleySurface+ValleyWidth+RimWidth],
		[HoleRadius,0]] );
}
```


[User]
Okay, I need a customizable luggage tag, and I want to be able to generate it using OpenSCAD. I'd like the design to be parametric so I can adjust things like the text, size, and corner rounding.

Here's what I'm looking for:

**Core Functionality:**

*   **Text Input:** I need to be able to enter up to 10 lines of text. I should be able to specify the content of each line.
*   **Text Alignment:** While the example I have right now doesn't specify it, it would be very helpful if the text could be aligned to the left, center or right by padding lines with spaces.
*   **Text Style:** I'd like to choose whether the text is engraved, embossed, or hidden within the tag. If engraved or embossed, I need to specify the depth or height of the engraving/embossing as a percentage of the plate thickness. If hidden, the text should be a cut out of 66% depth.
*   **Font Selection:** I want to be able to select from multiple fonts, specifically: Orbitron, a basic font (like Letters), Knewave, BlackRose, and Braille. These should all be the ones that can be used from the write library of OpenSCAD. So if we just specify those names, it should all work.
*   **Font Size and Spacing:**  I need to control the font size (character height in mm), the spacing between letters, and the spacing between lines.
*   **Plate Size:** The plate should adjust its size based on the text. The plate should have rounded corners.
*   **Plate Thickness:** I need to specify the plate's thickness.
*   **Corner Radius:** I need to control the radius of the rounded corners of the plate.
*   **Slit for Attachment:** The tag needs a slit for attaching it to luggage. I need to specify the length and width of the slit.

**Specific Parameters (that I want to control):**

*   `line_1` through `line_10`: Strings, the 10 lines of text.
*   `text_style`: Integer, -80 to 25,  (e.g., -80 for deep engraving, 0 for hidden text, 25 for heavy embossing).
*   `font`: String, "orbitron.dxf", "Letters.dxf", "knewave.dxf", "BlackRose.dxf" or "braille.dxf".
*   `fontsize`: Integer, character height in mm.
*   `letter_spacing`: Integer, adjustment for letter spacing.
*   `line_spacing`: Integer, adjustment for line spacing.
*   `plate_thickness`: Integer, thickness of the plate in mm.
*   `corner_radius`: Integer, radius of the rounded corners in mm.
*   `slitlength`: Integer, length of the slit in mm.
*   `slitwidth`: Integer, width of the slit in mm.

**Libraries:**

I'd like the design to use the `Write.scad` library found here: `https://github.com/rohieb/Write.scad`.  I don't have that attached, but it's important to use it since I need those fonts for text rendering.

Could you generate a parametric OpenSCAD file based on these requirements? The goal is that I can easily change these parameters and generate custom luggage tags.

[Assistant]
Luggage_label_Customizer_2013-11-01.scad:
```
/*
OpenSCAD-File to generate a Customized luggage label
2013-11-01 - kowomike

Needs write.scad as found here:
https://github.com/rohieb/Write.scad

or here:
http://www.thingiverse.com/thing:16193
*/

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

use <write/Write.scad>  //Change to directory where write.scad resides;

// Enter Text here
// Use up to 10 lines as needed; for alignment to center or right, use spaces

/* [Text] */
// You can use (up to) 10 lines for text
line_1="Just enter";
line_2="name and";
line_3="address";
line_4="";
line_5="";
line_6="";
line_7="";
line_8="";
line_9="";
line_10="";

/* [Text options] */
//Choose text engraving, embossing oder hiding inside
text_style=-80; // [-80:Deep engraving (80 %),-50:Half way through engraving (50 %),-10:Shallow engraving (10 %),0: Hide text inside (takes 66 %),10:Little embossing (10 %),25:Heavy embossing (25 %) ]

font="orbitron.dxf"; //[write/orbitron.dxf:Futuristic,write/Letters.dxf:Basic,write/knewave.dxf:Round,write/BlackRose.dxf:Classic,write/braille.dxf:Braille]

//Height of characters [mm]
fontsize=8;  //[5:20]

letter_spacing=1; //[-2:5]
letterspacing=1.0+letter_spacing/10;

line_spacing=2; //[0:5]
linespacing=0.7+line_spacing/10;

/* [Plate options] */

// [mm]
plate_thickness=3; //[1:5]

//Radius of plate corners [mm]
corner_radius=3; //[1:10]

// [mm]
slitlength=12; //[2:30]

// [mm]
slitwidth=4; //[2:10]

/* [Hidden] */

//Copy single text variables into array
text=[
line_1,
line_2,
line_3,
line_4,
line_5,
line_6,
line_7,
line_8,
line_9,
line_10
];

//Define additional parameters
charlength=0.686;
charheight=1.45;
descenderfactor=0.25;

//Calculate margins
margin=2*sqrt(corner_radius);

//Calculate space for slit
insertlength=slitwidth+margin;

//Thickness of text when hidden
hiddenheight=66;

//Find out maximum characters for first 10 lines for centering
maxtextchars = max(len(text[0]),len(text[1]),len(text[2]),len(text[3]),len(text[4]),len(text[5]),len(text[6]),len(text[7]),len(text[8]),len(text[9]));

//Find out how many lines do contain text
tl=[
len(text[9])>0 ? 10 : 0,
len(text[8])>0 ? 9 : 0,
len(text[7])>0 ? 8 : 0,
len(text[6])>0 ? 7 : 0,
len(text[5])>0 ? 6 : 0,
len(text[4])>0 ? 5 : 0,
len(text[3])>0 ? 4 : 0,
len(text[2])>0 ? 3 : 0,
len(text[1])>0 ? 2 : 0,
len(text[0])>0 ? 1 : 0,
];

textlines=max(tl[0],tl[1],tl[2],tl[3],tl[4],tl[5],tl[6],tl[7],tl[8],tl[9]);

//Calculate plate size based on Text
linelength=maxtextchars*charlength*fontsize+(letterspacing-1)*(maxtextchars-1)*charlength*fontsize;
lineheight=charheight*fontsize;

//Part of plate with text
difference () {
	//Plate
	translate ([0,-lineheight*(textlines-1)-(linespacing-1)*lineheight*(textlines-1)-margin,0])
	cube ([linelength+margin*2+insertlength,+lineheight*(textlines-1)+(linespacing-1)*lineheight*(textlines-1)+margin+lineheight+margin,plate_thickness]);

	//"Add" Text if engraved
	if (text_style<0) {
	translate ([margin+insertlength,0,0])
		union () {
			for (i=[0:textlines-1]) {
			translate ([0,-lineheight*i+descenderfactor*lineheight-(linespacing-1)*lineheight*i,plate_thickness+plate_thickness*text_style/100-0.05])
			write(text[i],t=abs(text_style)*plate_thickness/100+0.1,h=fontsize,font=font,space=letterspacing);
			}
		}
	}

	if (text_style==0) {
	translate ([margin+insertlength,0,0])
		union () {
			for (i=[0:textlines-1]) {
			translate ([0,-lineheight*i+descenderfactor*lineheight-(linespacing-1)*lineheight*i,plate_thickness+plate_thickness*text_style/100-0.05-(plate_thickness+(plate_thickness*hiddenheight/100))/2])
			write(text[i],t=hiddenheight*plate_thickness/100+0.1,h=fontsize,font=font,space=letterspacing);
			}
		}
	}

	//Cut rounded corners
	//Top Right
	translate ([margin+insertlength,0,0])
	translate ([linelength+margin-corner_radius,lineheight+margin-corner_radius,-0.05])
	difference () {
		cube ([corner_radius*2,corner_radius*2,plate_thickness+0.1]);
		translate ([0,0,-0.1])
		cylinder (r=corner_radius,h=plate_thickness+0.2,$fn=100);
	}

	//Bottom Right
	translate ([margin+insertlength,0,0])
	translate ([linelength+margin-corner_radius,-lineheight*(textlines-1)-(linespacing-1)*lineheight*(textlines-1)-margin+corner_radius,-0.05])
	difference () {
		translate ([0,-corner_radius*2,0])
		cube ([corner_radius*2,corner_radius*2,plate_thickness+0.1]);
		translate ([0,0,-0.1])
		cylinder (r=corner_radius,h=plate_thickness+0.2,$fn=100);
	}

	//Top Left
	translate ([0,0,0])
	translate ([corner_radius,lineheight+margin-corner_radius,-0.05])
	difference () {
		translate ([-corner_radius*2,0,0])
		cube ([corner_radius*2,corner_radius*2,plate_thickness+0.1]);
		translate ([0,0,-0.1])
		cylinder (r=corner_radius,h=plate_thickness+0.2,$fn=100);
	}

	//Bottom Left
	translate ([0,0,0])
	translate ([corner_radius,-lineheight*(textlines-1)-(linespacing-1)*lineheight*(textlines-1)-margin+corner_radius,-0.05])
	difference () {
		translate ([-corner_radius*2,-corner_radius*2,0])
		cube ([corner_radius*2,corner_radius*2,plate_thickness+0.1]);
		translate ([0,0,-0.1])
		cylinder (r=corner_radius,h=plate_thickness+0.2,$fn=100);
	}

	//Cut out hole
	translate ([margin,-lineheight*(textlines/2-1)-(linespacing-1)*lineheight*(textlines/2-1)-slitlength/2+slitwidth/2,-0.05])
	union () {
		translate ([slitwidth/2,slitlength-slitwidth,0])
		cylinder (r=slitwidth/2,h=plate_thickness+0.1,$fn=100);
		cube ([slitwidth,slitlength-slitwidth,plate_thickness+0.1]);
		translate ([slitwidth/2,0,0])
		cylinder (r=slitwidth/2,h=plate_thickness+0.1,$fn=100);
	}
}  //End difference

//Add text if embossed
if (text_style>0) {
	translate ([margin+insertlength,0,0])
		color ("YellowGreen")
		union () {
			for (i=[0:textlines-1]) {
			translate ([0,-lineheight*i+descenderfactor*lineheight-(linespacing-1)*lineheight*i,plate_thickness])
			write(text[i],t=abs(text_style)*plate_thickness/100+0.1,h=fontsize,font=font,space=letterspacing);
			}
}
}

```


[User]
Okay, I've been playing around with this OpenSCAD script called `S_plotter_V21.scad`, and it's really cool, but it's a bit slow and I'm hitting some snags with the "2-manifold" errors when I try to speed it up. It basically takes polar coordinates (angles `a` and `b`) and uses functions to map them to 3D space, creating a surface. It's got two modes: a smooth mode that uses `hull()` to blend triangles and a "flaking fast" mode that tries to do something similar but has less overlap.

Here's what I'm looking for in a new, parametric version:

**Overall Goal:**
I want to create a parametric script that generates 3D surfaces based on functions that use polar/spherical-like coordinates. I'd like it to be more robust, handle speed better, and be a lot more flexible in defining the functions.

**Core Features:**

1.  **Function Definition:**
    *   I need a way to easily define the `rx(a, b)`, `ry(a, b)`, and `rz(a, b)` functions. It should be much easier to edit, and ideally I can even write them using basic math notation rather than having to write full OpenSCAD functions. Think like, being able to say that `rz` is `sin(2*a) * cos(b) * radius` using a syntax that can be parsed easily. Ideally, this would take string inputs rather than be set in the code.
    *   The functions should accept angles in degrees (or, have an easy way to switch between degrees and radians for all of them).
    *   The radius of the sphere should be parametric.

2.  **Coordinate System:**
    *   The current script uses angles 'a' and 'b,' and these are fine, but if there was a way to select different coordinate systems (like spherical, cylindrical, or even a custom one if possible) that would be awesome, even if just a few simple ones.

3.  **Resolution:**
    *   I need to be able to control the resolution of the surface. The current script uses `detail`, but I'd like more control over the number of steps in both 'a' and 'b' dimensions independently if possible.
    *   I need to control the total degrees or radians that 'a' and 'b' step through (currently fixed to 360).

4.  **Surface Generation:**
    *   I would like options beyond `hull` to stitch the mesh of points, perhaps using `polyhedron()` to generate quads (squares rather than triangles) where possible. The current "flake" mode is close, but not as clean as a true quad mesh.
    *   It would be very useful to have an option to also generate an outline of the surface (as a line drawing) for use with a laser cutter.
    *   The thickness (currently `d`) should be parametric for a solid output, as well as the option of a wireframe/line display.

5.  **Performance:**
    *   The script needs to be fast. The "2-manifold" errors I'm getting mean the `hull` approach is problematic.
    *  I'd like a better quad-based "flake" mode.

6.  **User-Friendly:**
    *   All parameters should be easily configurable through the OpenSCAD customizer.
    *   It would be excellent if the script used more modern OpenSCAD conventions, whatever those are.
   *   The script should make sure that all generated output is manifold, ideally.

**Libraries:**
*   I am not using any custom libraries at the moment. I would be open to using MCAD, BOSL, BOSL2, or any other libraries that would help.

Can you help me create a script that addresses these points? I'm hoping for a more powerful and user-friendly tool.

[Assistant]
S_plotter_V21.scad:
```
// Sinoid Sphere Plotter V2.1
// This is public domain, free software by Jürgen Lochner, 2013
// www.thingiverse.com/Ablapo
// You are free to improve this.

// Size:
gr=10;

// a sei winkel in xy ebene, b sei winkel in xz ebene
//function rx(a,b) =  cos(a )*cos(b )*gr ;			// basic sphere
//function ry(a,b) =  sin(a)*cos(b )*gr;			// basic sphere
//function rz(a,b) =  sin( b ) *gr ;					// basic sphere

//function rx(a,b) =  cos(a )*cos(b )*gr ;			// f1 Fortue cookie
//function ry(a,b) =  sin(a)*cos(b )*gr;			// f1 Fortue cookie
//function rz(a,b) =  sin(  a*2 )  *gr;				// f1 Fortue cookie

//function rx(a,b) =  cos(a )*cos(b )*gr ;			// f2 XOXO
//function ry(a,b) =  sin(a)*cos(b )*gr;			// f2 XOXO
//function rz(a,b) =  sin(  a*2+b )  *gr;			// f2 XOXO

//function rx(a,b) =  cos(a )*cos(b )*gr ;			// f3 2ears
//function ry(a,b) =  sin(a)*cos(b )*gr;			// f3 2ears
//function rz(a,b) =  (cos(  a  ) +cos(b)) *gr;	// f3 2ears

//function rx(a,b) =  cos(a )*cos(b )*gr ;			// f4 8
//function ry(a,b) =  sin(a)*cos(b )*gr;			// f4 8
//function rz(a,b) =  (cos(  a  ) +sin(b)) *gr;	// f4 8

//function ry(a,b) =  sin(a)*cos(b )*gr;			// f5
//function rx(a,b) =  cos(a*2 )*cos(b*2 )*gr ;		// f5
//function rz(a,b) =  (cos(  a  ) +sin(a )) *gr;	// f5

function rx(a,b)=   gr*cos(a)*(2+cos(a/2)*cos(b)-sin(a/2)*sin(2*b)); 	//figure 8 immersion
function ry(a,b)=   gr*sin(a)*(2+cos(a/2)*cos(b)-sin(a/2)*sin(2*b)); 	//figure 8 immersion
function rz(a,b) =  gr*(sin(a/2)*cos(b)+cos(a/2)*sin(2*b));				//figure 8 immersion

//function rx(a,b)= (sin(a)+sin(2*a)*2 +cos(b))*gr ;	// knot
//function ry(a,b)= (cos(a)-cos(2*a)*2 -sin(b))*gr;		//	knot
//function rz(a,b) = (-sin(3*b )+2*cos(a ))*gr;			// knot

// Use OpenSCAD to change functions:
sorry = 1; //[1: you cannot change functions in Customizer]

// Details:
detail=20;

steps=360/detail;

// Thickness:
d=0.5;

// Choose mode:
style=2;// [1:smooth slow, 2:flaking fast]

// alpha period:
ap=360;

// beta period:
bp=360;

module objekt( ){cube([d,d,d],center=true);}

module polyplot(x1,y1,z1, x2,y2,z2, x3,y3,z3){
	hull() {
		translate([x1,y1,z1]) objekt();
		translate([x2,y2,z2]) objekt();
		translate([x3,y3,z3]) objekt();
	}
}

module smooth (){
	for (i =[0:steps:ap-steps]){
		for (j =[0:steps:bp-steps]){
	polyplot (	rx(i,j), ry(i,j), rz(i,j),
					rx(i+steps,j), ry(i+steps,j), rz(i+steps,j),
					rx(i+steps,j+steps), ry(i+steps,j+steps), rz(i+steps,j+steps));

	color ("red")
	polyplot (	rx(i,j),ry(i,j),rz(i,j),
					rx(i+steps,j+steps),ry(i+steps,j+steps),rz(i+steps,j+steps),
					rx(i,j+steps),ry(i,j+steps),rz(i,j+steps));

		}
	}
}

module polyplot2(x1,y1,z1, x2,y2,z2, x3,y3,z3){
	ax=x2-x1;		bx=x3-x1;
	ay=y2-y1;		by=y3-y1;
	az=z2-z1;		bz=z3-z1;
	axbx= ay*bz - az*by;
	axby= az*bx - ax*bz;
	axbz= ax*by - ay*bx;
	haxb = sqrt(axbx*axbx+axby*axby+axbz*axbz);
	nx = axbx/haxb *d;
	ny = axby/haxb *d;
	nz = axbz/haxb *d;

	polyhedron(	points=[ [0,0,0],	[x1 ,y1 ,z1 ], [x2 ,y2 ,z2 ], [x3 ,y3 ,z3 ],
						[x1+nx,y1+ny,z1+nz], [x2+nx,y2+ny,z2+nz], [x3+nx,y3+ny,z3+nz]],
					triangles = [[1,2,3], [6,5,4], [2,1,4], [2,4,5], [3,2,6], [2,5,6], [1,6,4], [3,6,1]]
				);
}

module flake(){
	rsteps=steps+0.1;
	for ( i = [0: steps: ap - steps]){
		for ( j = [0: steps: bp - steps]){
		hull(){
			polyplot2 (	rx(i,j), ry(i,j), rz(i,j),
					rx(i+rsteps,j), ry(i+rsteps,j), rz(i+rsteps,j),
					rx(i+rsteps,j+rsteps), ry(i+rsteps,j+rsteps), rz(i+rsteps,j+rsteps));

			polyplot2 (	rx(i,j),ry(i,j),rz(i,j),
					rx(i+rsteps,j+rsteps),ry(i+rsteps,j+rsteps),rz(i+rsteps,j+rsteps),
					rx(i,j+rsteps),ry(i,j+rsteps),rz(i,j+rsteps));
		}
		}
	}
}

if (style==1) smooth();
if (style==2) flake();

```


[User]
Okay, so I'm trying to design a chainmaille weave, specifically the Full Persian 6-in-1 pattern, but I want it to be customizable and parametric in OpenSCAD. I'm hoping you can help generate the code for this.

Essentially, I want to be able to adjust a few key things:

*   **Number of Segments:**  I'd like to control how many linked "units" or segments of the pattern are generated. The example I have creates a straight chain of repeating units, and I want to vary that length.
*   **Wire Diameter:** The thickness of the wire used to make the rings. This needs to be a variable so I can easily change the size of the rings.
*   **Ring Aspect Ratio (AR):**  This is the ratio between the inner diameter of the ring and the wire diameter. This is crucial for the weave to work, and I'd like to be able to experiment with different ratios, especially since there's a specific threshold where the rings will start to fuse together and won't move correctly.  In my example, I noted that fusing begins around AR 5.15, so my default example is set just above that at 5.2
*   **Smoothness:** This controls how many facets the circle for the rings is broken down into, and higher values lead to a smoother, but slower to render. It's important that this is adjustable for testing as rendering at very high smoothness takes time.

The structure of the weave is that each "segment" is made of 4 rings. Two are angled forward and two are angled backward. These pairs of rings are then connected together.

I already have a basic OpenSCAD file for a single length of the chain, but it's not truly parametric:

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

numSegments = 4;
// Diameter of ring in mm
wireDiameter = 2;
// Aspect ratio of the ring (Inner diameter/Wire diameter)
// Fusing begins at about AR=5.15
ringAR = 5.2;

// Smoothness factor (larger = smoother, but longer to generate stl)
smoothness = 30;

for (i=[1:numSegments])
{
	translate([i*(ringAR*wireDiameter*cos(32.5)-wireDiameter*0.4),0,0])
	union()
	{
		angledPair(15, wireDiameter, ringAR);
		translate([wireDiameter*0.8,0,0])
		rotate([90,180,0])
		angledPair(15, wireDiameter, ringAR);
	}
}

module separatedPair(dist, wd, ar)
{
	union()
	{
		translate([0,0,dist/2])
		ring(wd,ar);
		translate([0,0,-dist/2])
		ring(wd,ar);
	}
}

module angledPair(angle, wd, ar)
{
	union()
	{
		translate([0,0,(wd+wd*ar)*sin(angle)/2+wd/2])
		rotate([0,angle,0])
		ring(wd,ar);

		translate([0,0,-(wd+wd*ar)*sin(angle)/2-wd/2])
		rotate([0,-angle,0])
		ring(wd,ar);
	}
}

module ring(wd, ar)
{
	rotate_extrude(convexity = 10, $fn=smoothness)
	translate([ar*wd/2+wd/2, 0, 0])
	circle(r = wd/2, $fn=smoothness);
}
```

I need the output to be an OpenSCAD file which can accept these parameters and generate a chain of the specified dimensions. It should be an individual file; no libraries are needed for what I've described.

Can you generate that code for me?

[Assistant]
FullPersian6in1_Customizer.scad:
```
// preview[view:south, tilt:top]

numSegments = 4;
// Diameter of ring in mm
wireDiameter = 2;
// Aspect ratio of the ring (Inner diameter/Wire diameter)
// Fusing begins at about AR=5.15
ringAR = 5.2;

// Smoothness factor (larger = smoother, but longer to generate stl)
smoothness = 30;

for (i=[1:numSegments])
{
	translate([i*(ringAR*wireDiameter*cos(32.5)-wireDiameter*0.4),0,0])
	union()
	{
		angledPair(15, wireDiameter, ringAR);
		translate([wireDiameter*0.8,0,0])
		rotate([90,180,0])
		angledPair(15, wireDiameter, ringAR);
	}
}

module separatedPair(dist, wd, ar)
{
	union()
	{
		translate([0,0,dist/2])
		ring(wd,ar);
		translate([0,0,-dist/2])
		ring(wd,ar);
	}
}

module angledPair(angle, wd, ar)
{
	union()
	{
		translate([0,0,(wd+wd*ar)*sin(angle)/2+wd/2])
		rotate([0,angle,0])
		ring(wd,ar);

		translate([0,0,-(wd+wd*ar)*sin(angle)/2-wd/2])
		rotate([0,-angle,0])
		ring(wd,ar);
	}
}

module ring(wd, ar)
{
	rotate_extrude(convexity = 10, $fn=smoothness)
	translate([ar*wd/2+wd/2, 0, 0])
	circle(r = wd/2, $fn=smoothness);
}
```


[User]
Okay, I'd like to create a customized card, roughly the size of a credit card, with some text on it. I need an OpenSCAD file that will allow me to do this parametrically.

Here's what I'm looking for:

**Basic Card Shape:**
*   The card should be rectangular with rounded corners, matching the standard ISO/IEC 7810 ID-1 size (85.6mm wide, 53.98mm high, and 0.76mm thick). However, I need to be able to adjust these parameters including the overall thickness of the card.
*   The corner radius should also be adjustable.

**Text Handling:**
*   I need to be able to input multiple lines of text (up to 9).
*   The text should be able to be either engraved into the card, embossed out of it, or hidden. For engraving and embossing, the depth or height of the text should be parameterized. "Hidden" should be a full-height cut out.
*   I need to be able to choose between different fonts. The ones that I'd like to be available are:
    *   `orbitron.dxf`
    *   `Letters.dxf`
    *   `knewave.dxf`
    *   `BlackRose.dxf`
    *   `braille.dxf`
*   The font size, letter spacing, and line spacing should be adjustable.
*   The text should be able to be aligned to center or right by using spaces at the beginning of a line (this is what `text_card.scad` does, and is what I need).

**Parameters to Expose:**

*   `line_1` through `line_9`: Strings for the lines of text
*   `text_style`: An integer that defines the text action. Negative values for engraving (e.g. -80, -50, -25, -10), positive values for embossing (e.g. 10, 25, 50), and 0 for hidden.
*   `font`: A string for choosing the font (from the list above)
*   `fontsize`: A float for the font size
*   `letter_spacing`: A float for the letter spacing
*   `line_spacing`: A float for the line spacing
*   `plate_thickness`: A float for the overall card thickness
*  `width`: A float for the width of the card.
*  `height`: A float for the height of the card.
*  `thickness`: A float for the base thickness of the card.
*   `corner_radius`: A float for the corner radius.

**Libraries:**

*  The design should use the `Write.scad` library. I have this already and I know where to put it.

Can you generate the OpenSCAD file for me? I would like it to be as similar to `text_card.scad` as possible while meeting these requirements.

[Assistant]
text_card.scad:
```
/*
OpenSCAD-File to create a credit card shaped card with text
2013-11-03 - Rikard Lindström (ornotermes@gmail.com)

Based on:
OpenSCAD-File to generate a Customized luggage label
2013-11-01 - kowomike

Needs write.scad as found here:
https://github.com/rohieb/Write.scad

or here:
http://www.thingiverse.com/thing:16193
*/

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

use <write/Write.scad>  //Change to directory where write.scad resides;

// Enter Text here
// Use up to 9 lines as needed; for alignment to center or right, use spaces

/* [Text] */
// You can use (up to) 9 lines for text
line_1="SLASHHOME.SE   SE";
line_2="61:D0:73:50    SC";
line_3="50:73:E2:61    HD";
line_4="7F:F7:A7:DC    -S";
line_5="36:04:4A:06     A";
line_6="";
line_7="";
line_8="";
line_9="";

/* [Text options] */
//Choose text engraving, embossing oder hiding inside
text_style=-25; // [-80:Deep engraving (80 %),-50:Half way through engraving (50 %),-25:Medium engraving (25 %),-10:Shallow engraving (10 %),10:Little embossing (10 %),25:Heavy embossing (25 %) ,50:Extra heavy embossing (50 %)]

font="orbitron.dxf"; //[write/orbitron.dxf:Futuristic,write/Letters.dxf:Basic,write/knewave.dxf:Round,write/BlackRose.dxf:Classic,write/braille.dxf:Braille]

//Height of characters [mm]
fontsize=6;  //[4:10]

letter_spacing=1; //[-2:5]
letterspacing=1.0+letter_spacing/10;

line_spacing=2; //[0:5]
linespacing=0.7+line_spacing/10;

/* [Plate options] */

// [mm]
plate_thickness=1; //[1:5]

/* [Hidden] */

//Copy single text variables into array
text=[
line_1,
line_2,
line_3,
line_4,
line_5,
line_6,
line_7,
line_8,
line_9,
];

//Define additional parameters
charlength=0.686;
charheight=1.45;
descenderfactor=0.25;

//ISO/IEC 7810 ID-1 size (mm)
width = 85.6;
height = 53.98;
thickness = 0.76;
corner_radius = 3;

//Calculate margins
margin=2*sqrt(corner_radius);

//Calculate how much text will fit.
cols = (width - 2 * margin) / (fontsize * (charlength + letterspacing));
rows = (height - 2 * margin) / (fontsize * (charheight + linespacing));

//Thickness of text when hidden
hiddenheight=66;

//Find out maximum characters for first 10 lines for centering
maxtextchars = max(len(text[0]),len(text[1]),len(text[2]),len(text[3]),len(text[4]),len(text[5]),len(text[6]),len(text[7]),len(text[8]),len(text[9]));

//Find out how many lines do contain text
tl=[
len(text[8])>0 ? 9 : 0,
len(text[7])>0 ? 8 : 0,
len(text[6])>0 ? 7 : 0,
len(text[5])>0 ? 6 : 0,
len(text[4])>0 ? 5 : 0,
len(text[3])>0 ? 4 : 0,
len(text[2])>0 ? 3 : 0,
len(text[1])>0 ? 2 : 0,
len(text[0])>0 ? 1 : 0,
];

textlines=max(tl[0],tl[1],tl[2],tl[3],tl[4],tl[5],tl[6],tl[7],tl[8],tl[9]);

//Calculate plate size based on Text
linelength=maxtextchars*charlength*fontsize+(letterspacing-1)*(maxtextchars-1)*charlength*fontsize;
lineheight=charheight*fontsize;

//Part of plate with text
difference () {
	//Plate
	translate ([0,-height,0])
	cube (size = [width,height,plate_thickness]);

	//"Add" Text if engraved
	if (text_style<0) {
	translate ([margin,-margin - lineheight,0])
		union () {
			for (i=[0:textlines-1]) {
			translate ([0,-lineheight*i+descenderfactor*lineheight-(linespacing-1)*lineheight*i,plate_thickness+plate_thickness*text_style/100-0.05])
			write(text[i],t=abs(text_style)*plate_thickness/100+0.1,h=fontsize,font=font,space=letterspacing);
			}
		}
	}

	if (text_style==0) {
	translate ([margin+insertlength,0,0])
		union () {
			for (i=[0:textlines-1]) {
			translate ([0,-lineheight*i+descenderfactor*lineheight-(linespacing-1)*lineheight*i,plate_thickness+plate_thickness*text_style/100-0.05-(plate_thickness+(plate_thickness*hiddenheight/100))/2])
			write(text[i],t=hiddenheight*plate_thickness/100+0.1,h=fontsize,font=font,space=letterspacing);
			}
		}
	}

	//Cut rounded corners

	//Top Right
	translate ([0,0,0])
	translate ([width-corner_radius,-corner_radius,-0.05])
	difference () {
		cube ([corner_radius*2,corner_radius*2,plate_thickness+0.1]);
		translate ([0,0,-0.1])
		cylinder (r=corner_radius,h=plate_thickness+0.2,$fn=100);
	}

	//Bottom Right
	translate ([0,0,0])
	translate ([width-corner_radius,-height+corner_radius,-0.05])
	difference () {
		translate ([0,-corner_radius*2,0])
		cube ([corner_radius*2,corner_radius*2,plate_thickness+0.1]);
		translate ([0,0,-0.1])
		cylinder (r=corner_radius,h=plate_thickness+0.2,$fn=100);
	}

	//Top Left
	translate ([0,0,0])
	translate ([corner_radius,-corner_radius,-0.05])
	difference () {
		translate ([-corner_radius*2,0,0])
		cube ([corner_radius*2,corner_radius*2,plate_thickness+0.1]);
		translate ([0,0,-0.1])
		cylinder (r=corner_radius,h=plate_thickness+0.2,$fn=100);
	}

	//Bottom Left
	translate ([0,0,0])
	translate ([corner_radius,-height+corner_radius,-0.05])
	difference () {
		translate ([-corner_radius*2,-corner_radius*2,0])
		cube ([corner_radius*2,corner_radius*2,plate_thickness+0.1]);
		translate ([0,0,-0.1])
		cylinder (r=corner_radius,h=plate_thickness+0.2,$fn=100);
	}

}  //End difference

//Add text if embossed
if (text_style>0) {
	translate ([margin,-margin - lineheight,0])
		color ("YellowGreen")
		union () {
			for (i=[0:textlines-1]) {
			translate ([0,-lineheight*i+descenderfactor*lineheight-(linespacing-1)*lineheight*i,plate_thickness])
			write(text[i],t=abs(text_style)*plate_thickness/100+0.1,h=fontsize,font=font,space=letterspacing);
			}
}
}

```