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Ricardo (XenGi) Band 2023-05-14 00:02:25 +02:00
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# Created by https://www.toptal.com/developers/gitignore/api/linux,windows,macos,vim
# Edit at https://www.toptal.com/developers/gitignore?templates=linux,windows,macos,vim
### Linux ###
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CAD files for noisy cricket
===========================
case and plate
---
<a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by-sa/4.0/88x31.png" /></a><br />This work is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/">Creative Commons Attribution-ShareAlike 4.0 International License</a>.
Made with ❤️ by XenGi.

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include <util.scad>
$fn = 64;
difference() {
// case
hull() {
translate([-case_thickness, -case_thickness, 0]) cylinder(h=case_thickness+standoff_height+pcb_thickness+5, r=pcb_radius);
translate([pcb_width-2*pcb_radius+case_thickness, -case_thickness, 0]) cylinder(h=case_thickness+standoff_height+pcb_thickness+5, r=pcb_radius);
translate([-case_thickness, pcb_depth-2*pcb_radius+case_thickness, 0]) cylinder(h=case_thickness+standoff_height+pcb_thickness+5, r=pcb_radius);
translate([pcb_width-2*pcb_radius+case_thickness, pcb_depth-2*pcb_radius+case_thickness, 0]) cylinder(h=case_thickness+standoff_height+pcb_thickness+5, r=pcb_radius);
}
// pcb
translate([0, 0, case_bottom_thickness]) hull() {
cylinder(h=case_thickness+standoff_height+pcb_thickness+5, r=pcb_radius);
translate([pcb_width-2*pcb_radius, 0, 0]) cylinder(h=case_thickness+standoff_height+pcb_thickness+5, r=pcb_radius);
translate([0, pcb_depth-2*pcb_radius, 0]) cylinder(h=case_thickness+standoff_height+pcb_thickness+5, r=pcb_radius);
translate([pcb_width-2*pcb_radius, pcb_depth-2*pcb_radius, 0]) cylinder(h=case_thickness+standoff_height+pcb_thickness+5, r=pcb_radius);
}
// plate_mounting
translate([20, pcb_depth - pcb_radius, case_thickness+standoff_height+pcb_thickness+5-plate_height]) lug(hole=false);
translate([pcb_width-2*pcb_radius - 20, pcb_depth - pcb_radius, case_thickness+standoff_height+pcb_thickness+5-plate_height]) lug(hole=false);
translate([20, -pcb_radius, case_thickness+standoff_height+pcb_thickness+5-plate_height]) lug(north_facing=false, hole=false);
translate([pcb_width-2*pcb_radius - 20, -pcb_radius, case_thickness+standoff_height+pcb_thickness+5-plate_height]) lug(north_facing=false, hole=false);
// screw holes
translate([20, pcb_depth - pcb_radius + 2, case_thickness+standoff_height+pcb_thickness+5-plate_height-3]) cylinder(h=3, d=2);
translate([pcb_width-2*pcb_radius - 20, pcb_depth - pcb_radius + 2, case_thickness+standoff_height+pcb_thickness+5-plate_height-3]) cylinder(h=3, d=2);
translate([20, -pcb_radius - 2, case_thickness+standoff_height+pcb_thickness+5-plate_height-3]) cylinder(h=3, d=2);
translate([pcb_width-2*pcb_radius - 20, -pcb_radius - 2, case_thickness+standoff_height+pcb_thickness+5-plate_height-3]) cylinder(h=3, d=2);
}
// mounting standoffs
for(i = [0 : len(mounting_holes)-1]) {
translate([mounting_holes[i][0] - pcb_radius, mounting_holes[i][1] - pcb_radius, case_bottom_thickness]) difference() {
cylinder(h=standoff_height, d=4);
cylinder(h=standoff_height, d=2);
}
}
// TODO:USB daughter board

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include <util.scad>
$fn = 64;
hull() {
cylinder(h=plate_height, r=pcb_radius);
translate([pcb_width-2*pcb_radius, 0, 0]) cylinder(h=plate_height, r=pcb_radius);
translate([0, pcb_depth-2*pcb_radius, 0]) cylinder(h=plate_height, r=pcb_radius);
translate([pcb_width-2*pcb_radius, pcb_depth-2*pcb_radius, 0]) cylinder(h=plate_height, r=pcb_radius);
}
translate([20, pcb_depth - pcb_radius, 0]) lug();
translate([pcb_width-2*pcb_radius - 20, pcb_depth - pcb_radius, 0]) lug();
translate([20, -pcb_radius, 0]) lug(north_facing=false);
translate([pcb_width-2*pcb_radius - 20, -pcb_radius, 0]) lug(north_facing=false);

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pcb_width = 139.7;
pcb_depth = 82.55;
pcb_radius = 3.175;
pcb_thickness = 1.6;
plate_height = 1.5;
case_thickness = 5;
case_bottom_thickness = 3;
case_height = 10;
standoff_height = 3;
mounting_holes = [
[36.5125, 21.0188],
[30.9563, 57.9438],
[116.6813, 14.2875],
[98.425, 69.0563]
];
module lug(north_facing=true, hole=true) {
difference() {
hull() {
translate([0, north_facing ? 2 : -2, 0]) cylinder(h=plate_height, d=4);
translate([-5, 0, 0]) cylinder(h=plate_height, d=2);
translate([5, 0, 0]) cylinder(h=plate_height, d=2);
}
if (hole) {
translate([0, north_facing ? 2 : -2, 0]) cylinder(h=plate_height, d=2.2);
}
}
}