48 lines
1.6 KiB
OpenSCAD
48 lines
1.6 KiB
OpenSCAD
module pill(length, bevel) {
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hull() {
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translate([0, 0, (-length / 2) + bevel]) sphere(r = bevel);
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translate([0, 0, (length / 2) - bevel]) sphere(r = bevel);
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}
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}
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module box_face(length, width, wall_thickness, bevel) {
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center_width = width - bevel * 2;
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center_length = length - bevel * 2;
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hull() {
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translate([-center_width / 2, -center_length / 2, 0])
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pill(wall_thickness, bevel);
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translate([center_width / 2, -center_length / 2, 0])
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pill(wall_thickness, bevel);
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translate([center_width / 2, center_length / 2, 0])
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pill(wall_thickness, bevel);
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translate([-center_width / 2, center_length / 2, 0])
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pill(wall_thickness, bevel);
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}
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}
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module channel(length, width, height) {
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union() {
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translate([0, 0, -height / 2 + wall_thickness / 2])
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box_face(length, width, wall_thickness, bevel);
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translate([-width / 2 + wall_thickness / 2, 0, 0]) rotate([0, 90, 0])
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box_face(length, height, wall_thickness, bevel);
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translate([width / 2 - wall_thickness / 2, 0, 0]) rotate([0, 90, 0])
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box_face(length, height, wall_thickness, bevel);
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}
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}
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module box(length, width, height) {
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union() {
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channel(length, width, height);
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translate([0, -length / 2 + wall_thickness / 2, 0]) rotate([90, 0, 0])
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box_face(height, width, wall_thickness, bevel);
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translate([0, length / 2 - wall_thickness / 2, 0]) rotate([90, 0, 0])
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box_face(height, width, wall_thickness, bevel);
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}
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}
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