include $fs=0.1; module attach_corner() { circle(attach_foot_r); polygon([[-10, -10],[attach_foot_r, -10],[attach_foot_r, 0],[0, attach_foot_r],[-10, attach_foot_r]]); } module attach_side() { circle(attach_foot_r); translate([0, -attach_foot_r]) square([10, attach_foot_r * 2]); } module attach_center() { circle(attach_foot_r); } module pcb_supports() { translate(mounting_drills[0]) attach_corner(); translate(mounting_drills[1]) rotate(90) attach_corner(); translate(mounting_drills[2]) rotate(270) attach_corner(); translate(mounting_drills[3]) rotate(180) attach_corner(); } module pcb_attach_drill_outline() { circle(r=attach_drill_r); } module pcb_attach_drills_outline() { for(p = mounting_drills) { translate(p) pcb_attach_drill_outline(); } } module pcb_attach_drills_volume() { translate([0, 0, -pcb_attach_drills_depth]) linear_extrude(height=30) { pcb_attach_drills_outline(); } } module case_bottom_void_edge() { // Edge of PCB, plus case clearance, minus board supports. difference() { pcb_outline_clearance(); pcb_supports(); } } module case_bottom_void_tool_path() { // Tool path to cut bottom of case. offset(r=-case_bottom_tool_r) { case_bottom_void_edge(); } } module case_bottom_void_tool_volume_ball() { $fs=2; $fn=18; // Tool cut volume for bottom of case. // Z=0 at bottom plane of H1 PCB translate([0, 0, -h1_pcb_bottom_clearance + case_bottom_tool_r]) minkowski() { linear_extrude(height=50, convexity=10) { case_bottom_void_tool_path(); } sphere(r=case_bottom_tool_r); } } module case_outer_volume_radiused() { $fs=2; $fn=18; tool_r = case_bottom_tool_r + case_thickness; tz = h1_pcb_bottom_clearance + case_bottom_thickness - tool_r; difference() { // Rounded volume translate([0, 0, -tz]) { minkowski() { linear_extrude(height=30, convexity=10) { offset(r=-case_bottom_tool_r) { pcb_outline_clearance(); } } sphere(r=tool_r); } } // Cut off the top. translate([-10, -10, case_height_above_datum]) cube([200, 200, 200]); } } module case_bottom_void_tool_volume_end() { // Tool cut volume for bottom of case. // Z=0 at bottom plane of H1 PCB translate([0, 0, -h1_pcb_bottom_clearance]) { linear_extrude(height=50) { minkowski() { case_bottom_void_tool_path(); circle(r=case_bottom_tool_r); } } } } module case_bumper_emboss_outline() { circle(r=case_bumper_d / 2 + case_bumper_clearance); } module case_bumper_emboss_tool() { height = 10; translate([0, 0, -height]) linear_extrude(height=height) { case_bumper_emboss_outline(); } } module case_bumpers_emboss() { tz = case_height_below_datum - case_bumper_emboss_depth; translate([0, 0, -tz]) { translate([case_bumper_inset_from_pcb_edge, case_bumper_inset_from_pcb_edge, 0]) case_bumper_emboss_tool(); translate([pcb_l - case_bumper_inset_from_pcb_edge, case_bumper_inset_from_pcb_edge, 0]) case_bumper_emboss_tool(); translate([case_bumper_inset_from_pcb_edge, pcb_w - case_bumper_inset_from_pcb_edge, 0]) case_bumper_emboss_tool(); translate([pcb_l - case_bumper_inset_from_pcb_edge, pcb_w - case_bumper_inset_from_pcb_edge, 0]) case_bumper_emboss_tool(); } } module case_pcb_plane_void_tool_edge() { offset(r=-pcb_corner_r) { pcb_outline_clearance(); } } module case_pcb_plane_void_tool_volume() { linear_extrude(height=30, convexity=10) { minkowski() { case_pcb_plane_void_tool_edge(); circle(r=pcb_corner_r); } } } module case_outer_volume_squared() { t = case_bottom_thickness + h1_pcb_bottom_clearance; translate([0, 0, -t]) linear_extrude(height=t + case_height_above_datum) { minkowski() { pcb_outline(); circle(r=pcb_case_clearance + case_thickness); } } }