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Initial open source release with CC BY-NC-SA 4.0 license

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- Add complete CC BY-NC-SA 4.0 International License
- Add comprehensive README with project description and usage
- Add CONTRIBUTING guidelines for developers
- Add Nix development environment with OpenSCAD tooling
- Add .gitignore for OpenSCAD and Nix projects
- Add copyright headers to source files
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Vincent Palmer 2025-09-30 23:43:44 +02:00
commit 31bfdb83bb
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/*
* Cuatro - 3D Printable Game Pieces
*
* Copyright (c) 2025 Cuatro Project Contributors
* Licensed under CC BY-NC-SA 4.0 International License
*
* This file defines modules for creating game pieces including tubes and boxes
* with configurable dimensions for 3D printing.
*
* Print two copies, different colours.
*/
board_square_size_in_mm = 26;
star_width = board_square_size_in_mm*0.4;
default_height = board_square_size_in_mm*1.9;
box_multiplier = 1.8;
module tube_hole(offset_x=80, offset_y=0, height=default_height, fn, scale) {
$fn=fn;
difference() {
translate([offset_x, offset_y, 0])
cylinder(r=star_width*scale,h=height);
translate([offset_x, offset_y, -5])
cylinder(r=star_width/2, h=height+10);
}
}
module tube_holes(row=1, fn=360, scale=1.0) {
$fn=fn;
row_offset=((star_width*2.5)+star_width/4)*row;
tube_hole(fn=fn, offset_x=row_offset, offset_y=0, height=default_height, scale=scale);
tube_hole(fn=fn, offset_x=row_offset, offset_y=(star_width*3)-star_width/15, height=default_height/2, scale=scale);
}
module tube(offset_x=80, offset_y=0, height=default_height, fn, scale=1.0) {
$fn=fn;
translate([offset_x, offset_y, 0])
cylinder(r=star_width*scale,h=height);
}
module tubes(row=1, fn=360, scale=1.0) {
row_offset=((star_width*2.5)+star_width/4)*row;
tube(fn=fn, offset_x=row_offset, offset_y=0, height=default_height, scale=scale);
tube(fn=fn, offset_x=row_offset, offset_y=(star_width*3)-star_width/15, height=default_height/2, scale=scale);
}
module box(offset_x=80, offset_y=0, height=default_height) {
translate([offset_x-(star_width/2), offset_y-(star_width/2), 0])
cube([star_width*box_multiplier, star_width*box_multiplier, height]);
}
module boxes(row=1) {
row_offset=((star_width*2.5)+star_width/4)*row;
box(offset_x=row_offset, offset_y=0, height=default_height);
box(offset_x=row_offset, offset_y=(star_width*3)-star_width/15, height=default_height/2);
}
module box_holes(row=1) {
row_offset=((star_width*2.5)+star_width/4)*row;
box_hole(offset_x=row_offset, offset_y=0, height=default_height);
box_hole(offset_x=row_offset, offset_y=(star_width*3)-star_width/15, height=default_height/2);
}
module box_hole(offset_x=80, offset_y=0, height=default_height, $fn) {
difference() {
translate([offset_x-(star_width/2), offset_y-(star_width/2), 0])
union() {
cube([star_width*box_multiplier, star_width*box_multiplier, height]);
//base();
};
translate([offset_x+(star_width/2.5), offset_y+(star_width/2.5), -5])
cylinder(r=star_width/2, h=height+10, $fn=360);
}
}
module base() {
rotate([0,0,45]) cylinder(h=default_height*0.1, r1=board_square_size_in_mm-0.2, r2=board_square_size_in_mm-2, $fn=4);
}
tube_holes(row=1, fn=360);
tubes(row=2);
boxes(row=3);
box_holes(row=4);