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42 lines
1.2 KiB
OpenSCAD
42 lines
1.2 KiB
OpenSCAD
//
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// Mendel90
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//
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// GNU GPL v2
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// nop.head@gmail.com
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// hydraraptor.blogspot.com
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//
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include <conf/config.scad>
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pcb_screw_length = frame_nuts ?
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screw_longer_than(2 * washer_thickness(M3_washer) + pcb_thickness + sheet_thickness(frame) + nut_thickness(M3_nut, true)) : 16;
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function pcb_spacer_height() = frame_nuts ? 3 : max(3, 16 - 2 * washer_thickness(M3_washer) - pcb_thickness - sheet_thickness(frame));
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module pcb_spacer_stl(screw = M3_cap_screw, h = pcb_spacer_height()) {
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stl("pcb_spacer");
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r = screw_clearance_radius(screw);
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difference() {
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cylinder(r = corrected_diameter(r * 2) / 2 + 2, h = h, center = false);
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translate([0, 0, -0.5])
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poly_cylinder(r = r, h = h + 1, center = false);
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}
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}
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module pcb_spacer_assembly() {
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color(pcb_spacer_color) render() pcb_spacer_stl();
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translate([0,0, pcb_spacer_height() + pcb_thickness])
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screw_and_washer(M3_cap_screw, pcb_screw_length, !frame_nuts);
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if(frame_nuts)
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translate([0, 0, -sheet_thickness(frame)])
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rotate([180, 0, 0])
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nut_and_washer(screw_nut(M3_cap_screw), true);
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}
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if(0)
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pcb_spacer_stl();
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else
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pcb_spacer_assembly();
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