// // Mendel90 // // GNU GPL v2 // nop.head@gmail.com // hydraraptor.blogspot.com // include function pcb_spacer_height() = part_base_thickness - pcb_thickness; pcb_screw_length = frame_screw_length; module pcb_spacer_stl(screw = M3_cap_screw, h = pcb_spacer_height()) { stl("pcb_spacer"); r = screw_clearance_radius(screw); difference() { cylinder(r = corrected_radius(r) + 2, h = h, center = false); translate([0, 0, -0.5]) poly_cylinder(r = r, h = h + 1, center = false); } } module pcb_spacer_assembly(spacers, spacer) { if(spacers && spacer) color(pcb_spacer_color) render() pcb_spacer_stl(); if(spacers > 1 && spacer) color("red") translate([0, 0, pcb_spacer_height()]) render() pcb_spacer_stl(); translate([0, 0, spacers * pcb_spacer_height() + pcb_thickness]) screw_and_washer(M3_cap_screw, pcb_screw_length, !frame_nuts); if(frame_nuts) translate([0, 0, -sheet_thickness(frame)]) rotate([180, 0, 0]) nut_and_washer(screw_nut(M3_cap_screw), true); } if(0) pcb_spacer_stl(); else pcb_spacer_assembly();