79 lines
2.4 KiB
OpenSCAD
79 lines
2.4 KiB
OpenSCAD
$fn = 72;
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pcb_width = 257.175;
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pcb_height = 95.250;
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module keyboard_base_plate(pcb_width, pcb_height) {
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pcb_clearance_edge = 1.0;
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pcb_clearance_bottom = 2.0;
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thickness = 2.0;
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height = 14.0;
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corner_radius = thickness / 2.0;
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module round_corner(translation, rotation) {
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translate(translation)
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rotate(rotation)
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rotate_extrude(angle=90) {
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intersection() {
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circle(r=corner_radius);
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square(corner_radius*2);
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}
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}
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}
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module round_edge(length, translation, rotation) {
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translate(translation)
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rotate(rotation)
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linear_extrude(length)
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intersection() {
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circle(r=corner_radius);
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square(corner_radius*2);
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}
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}
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/* Lower left corner */
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round_corner([0 - pcb_clearance_edge,
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0 - pcb_clearance_edge, 0], [-90, 90, 90]);
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/* Upper left orner */
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round_corner([0 - pcb_clearance_edge,
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pcb_clearance_edge + pcb_height, 0], [0, 90, 90]);
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/* Upper right corner */
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round_corner([pcb_clearance_edge + pcb_width,
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pcb_clearance_edge + pcb_height, 0], [90, 90, 90]);
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/* Lower right corner */
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round_corner([ pcb_clearance_edge + pcb_width,
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0 - pcb_clearance_edge, 0], [180, 90, 90]);
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/* Top edge */
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round_edge( 2 * pcb_clearance_edge + pcb_width,
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[0 - pcb_clearance_edge,
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pcb_clearance_edge + pcb_height, 0], [0, 90, 0]);
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/* Right edge */
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round_edge( 2 * pcb_clearance_edge + pcb_height,
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[ pcb_clearance_edge + pcb_width,
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0 - pcb_clearance_edge, 0], [270, 0, 0]);
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/* Bottom edge */
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round_edge(2 * pcb_clearance_edge + pcb_width,
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[0 - pcb_clearance_edge,
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0 - pcb_clearance_edge, 0], [90, 180, 90]);
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/* Left edge */
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round_edge( 2 * pcb_clearance_edge + pcb_height,
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[0 - pcb_clearance_edge,
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0 - pcb_clearance_edge, 0], [270, 90, 0]);
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linear_extrude(thickness)
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translate([0 - pcb_clearance_edge,
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0 - pcb_clearance_edge, 0])
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square([2 * pcb_clearance_edge + pcb_width,
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2 * pcb_clearance_edge + pcb_height],
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false);
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}
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keyboard_base_plate(pcb_width, pcb_height);
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