143 lines
4.3 KiB
OpenSCAD
143 lines
4.3 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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wall_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(translation, rotation, length) {
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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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module side(translation, dimensions) {
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translate(translation)
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linear_extrude(dimensions[2])
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square([dimensions[0], dimensions[1]], false);
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}
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module wall_corner(translation, rotation, radius, length) {
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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=radius);
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square([radius, radius], false);
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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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/* Upper edge */
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round_edge([0 - pcb_clearance_edge,
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pcb_clearance_edge + pcb_height, 0], [0, 90, 0],
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2 * pcb_clearance_edge + pcb_width);
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/* Right edge */
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round_edge([ pcb_clearance_edge + pcb_width,
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0 - pcb_clearance_edge, 0], [270, 0, 0],
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2 * pcb_clearance_edge + pcb_height);
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/* Lower edge */
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round_edge([0 - pcb_clearance_edge,
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0 - pcb_clearance_edge, 0], [90, 180, 90],
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2 * pcb_clearance_edge + pcb_width);
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/* Left edge */
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round_edge([0 - pcb_clearance_edge,
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0 - pcb_clearance_edge, 0], [270, 90, 0],
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2 * pcb_clearance_edge + pcb_height);
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/* Upper right wall corner */
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wall_corner([pcb_clearance_edge + pcb_width,
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pcb_clearance_edge + pcb_height, 0],
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[0, 0, 0],
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corner_radius,
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wall_height);
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/* Lower right wall corner */
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wall_corner([ pcb_clearance_edge + pcb_width,
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0 - pcb_clearance_edge, 0],
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[0, 0, 270],
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corner_radius,
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wall_height);
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/* Lower left wall corner */
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wall_corner([0 - pcb_clearance_edge,
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0 - pcb_clearance_edge, 0],
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[0, 0, 180],
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corner_radius,
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wall_height);
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/* Upper left wall corner */
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wall_corner([0 - pcb_clearance_edge,
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pcb_clearance_edge + pcb_height, 0],
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[0, 0, 90],
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corner_radius,
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wall_height);
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/* Upper wall */
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side([ 0 - pcb_clearance_edge,
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pcb_height, 0],
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[thickness + pcb_width,
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thickness,
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wall_height]);
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/* Right wall */
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side([pcb_width, 0 - pcb_clearance_edge, 0],
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[thickness, thickness + pcb_height, wall_height]);
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/* Lower wall */
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side([0 - pcb_clearance_edge, 0 - thickness, 0],
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[thickness + pcb_width, thickness, wall_height]);
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/* Left wall */
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side([0 - thickness, 0 - pcb_clearance_edge, 0],
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[thickness, thickness + pcb_height, wall_height]);
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/* Bottom plate */
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side([ 0 - pcb_clearance_edge,
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0 - pcb_clearance_edge,
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-thickness / 2],
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[2 * pcb_clearance_edge + pcb_width,
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2 * pcb_clearance_edge + pcb_height,
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thickness]);
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}
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keyboard_base_plate(pcb_width, pcb_height);
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