152 lines
5.3 KiB
OpenSCAD
152 lines
5.3 KiB
OpenSCAD
// This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
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$fn=64;
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pcb_width = 139.7+1;
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pcb_depth = 82.55+1;
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pcb_radius = 3.175;
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pcb_thickness = 1.6;
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plate_thickness = 1.5;
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case_thickness = 5;
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case_bottom_thickness = 5; // TODO: doesn't respect height of PCB plus switches etc
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case_height = 10;
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upper_case_height = 5;
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standoff_height = 3;
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mx = 19.05;
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mounting_holes = [
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[36.5125, 21.0188],
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[30.9563, 57.9438],
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[116.6813, 14.2875],
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[98.425, 69.0563]
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];
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pololu_width = 0.8*2.54*10;
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pololu_depth = 0.5*2.54*10;
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pololu_holes_radius = 1;
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pololu_hole_spacing = 0.1*2.54*10;
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module lug(north_facing=true, hole=true) {
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difference() {
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hull() {
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translate([0, north_facing ? 2 : -2, 0]) cylinder(h=plate_thickness, d=4);
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translate([-5, 0, 0]) cylinder(h=plate_thickness, d=2);
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translate([5, 0, 0]) cylinder(h=plate_thickness, d=2);
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}
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if (hole) {
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translate([0, north_facing ? 2 : -2, 0]) cylinder(h=plate_thickness, d=2.2);
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}
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}
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}
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module mx_1x1_cutout() {
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side_length = 14;
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// central hole
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translate([0, 0, pcb_thickness/2]) cube([side_length, side_length, pcb_thickness+0.1], center=true);
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// wings
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translate([side_length/2, 2.5+3.5/2, pcb_thickness/2]) cube([2*0.8, 3.5, pcb_thickness+0.1], center=true);
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translate([side_length/2, -2.5-3.5/2, pcb_thickness/2]) cube([2*0.8, 3.5, pcb_thickness+0.1], center=true);
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translate([-side_length/2, 2.5+3.5/2, pcb_thickness/2]) cube([2*0.8, 3.5, pcb_thickness+0.1], center=true);
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translate([-side_length/2, -2.5-3.5/2, pcb_thickness/2]) cube([2*0.8, 3.5, pcb_thickness+0.1], center=true);
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// rounded corners
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translate([side_length/2-0.25, side_length/2-0.25, 0]) cylinder(h=pcb_thickness+0.1, r=0.5);
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translate([side_length/2-0.25, -side_length/2+0.25, 0]) cylinder(h=pcb_thickness+0.1, r=0.5);
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translate([-side_length/2+0.25, side_length/2-0.25, 0]) cylinder(h=pcb_thickness+0.1, r=0.5);
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translate([-side_length/2+0.25, -side_length/2+0.25, 0]) cylinder(h=pcb_thickness+0.1, r=0.5);
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}
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module mx_1x2_cutout() {
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side_length = 14;
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// central hole
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translate([0, 0, pcb_thickness/2]) cube([side_length, side_length, pcb_thickness+0.1], center=true);
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// wings
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translate([side_length/2, 2.5+3.5/2, pcb_thickness/2]) cube([2*0.8, 3.5, pcb_thickness+0.1], center=true);
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translate([side_length/2, -2.5-3.5/2, pcb_thickness/2]) cube([2*0.8, 3.5, pcb_thickness+0.1], center=true);
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translate([-side_length/2, 2.5+3.5/2, pcb_thickness/2]) cube([2*0.8, 3.5, pcb_thickness+0.1], center=true);
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translate([-side_length/2, -2.5-3.5/2, pcb_thickness/2]) cube([2*0.8, 3.5, pcb_thickness+0.1], center=true);
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// rounded corners
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translate([side_length/2-0.25, side_length/2-0.25, 0]) cylinder(h=pcb_thickness+0.1, r=0.5);
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translate([side_length/2-0.25, -side_length/2+0.25, 0]) cylinder(h=pcb_thickness+0.1, r=0.5);
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translate([-side_length/2+0.25, side_length/2-0.25, 0]) cylinder(h=pcb_thickness+0.1, r=0.5);
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translate([-side_length/2+0.25, -side_length/2+0.25, 0]) cylinder(h=pcb_thickness+0.1, r=0.5);
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// stabilizers
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translate([0, 0, pcb_thickness/2]) translate([-0.5, 11.9, 0]) cube([15, 6.65, pcb_thickness+0.1], center=true);
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translate([0, 0, pcb_thickness/2]) translate([-0.5, -11.9, 0]) cube([15, 6.65, pcb_thickness+0.1], center=true);
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}
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module mx_2x1_cutout() {
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side_length = 14;
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// central hole
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translate([0, 0, pcb_thickness/2]) cube([side_length, side_length, pcb_thickness+0.1], center=true);
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// wings
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translate([side_length/2, 2.5+3.5/2, pcb_thickness/2]) cube([2*0.8, 3.5, pcb_thickness+0.1], center=true);
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translate([side_length/2, -2.5-3.5/2, pcb_thickness/2]) cube([2*0.8, 3.5, pcb_thickness+0.1], center=true);
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translate([-side_length/2, 2.5+3.5/2, pcb_thickness/2]) cube([2*0.8, 3.5, pcb_thickness+0.1], center=true);
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translate([-side_length/2, -2.5-3.5/2, pcb_thickness/2]) cube([2*0.8, 3.5, pcb_thickness+0.1], center=true);
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// rounded corners
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translate([side_length/2-0.25, side_length/2-0.25, 0]) cylinder(h=pcb_thickness+0.1, r=0.5);
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translate([side_length/2-0.25, -side_length/2+0.25, 0]) cylinder(h=pcb_thickness+0.1, r=0.5);
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translate([-side_length/2+0.25, side_length/2-0.25, 0]) cylinder(h=pcb_thickness+0.1, r=0.5);
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translate([-side_length/2+0.25, -side_length/2+0.25, 0]) cylinder(h=pcb_thickness+0.1, r=0.5);
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// stabilizer holes
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translate([0, 0, pcb_thickness/2]) translate([11.9, -0.5, 0]) cube([6.65, 15, pcb_thickness+0.1], center=true);
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translate([0, 0, pcb_thickness/2]) translate([-11.9, -0.5, 0]) cube([6.65, 15, pcb_thickness+0.1], center=true);
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}
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// TODO: replace with screw in cutouts
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/*
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linear_extrude(pcb_thickness) polygon(points=[
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[-7, 7],
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[-5.97, 7],
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[-5.97, 17.15/2],
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[-6.77, 17.15/2],
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[-6.77, 20.8/2],
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[-7.97, 20.8/2],
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[-7.97, 26.8/2],
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[-6.77, 26.8/2],
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[-6.77, 30.45/2],
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[-0.5, 30.45/2],
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[-0.5, 32.2/2],
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[2.3, 32.2/2],
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[2.3, 30.45/2],
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[5.53, 30.45/2],
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[5.53, 17.15/2],
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[4.73, 17.15/2],
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[4.73, 14/2],
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[7, 14/2],
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[7, -14/2],
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[4.73, -14/2],
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[4.73, -17.15/2],
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[5.53, -17.15/2],
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[5.53, -30.45/2],
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[2.3, -30.45/2],
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[2.3, -32.2/2],
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[-0.5, -32.2/2],
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[-0.5, -30.45/2],
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[-6.77, -30.45/2],
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[-6.77, -26.8/2],
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[-7.97, -26.8/2],
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[-7.97, -20.8/2],
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[-6.77, -20.8/2],
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[-6.77, -17.15/2],
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[-5.97, -17.15/2],
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[-5.97, -7],
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[-7, -7]
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], convexity=1);
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*/
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