128 lines
3.8 KiB
OpenSCAD
128 lines
3.8 KiB
OpenSCAD
// Assorted modules to be re-used by multiple files
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// Stuff that's used for tops:
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module leg(height) {
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color(COLORSCHEME == "semantic" ? COLOR_SEMANTIC_LOAD_BEARING : COLOR_STEEL) {
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union() {
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translate([0, 0, height - LEG_BASE_THICKNESS]){
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cylinder(d=LEG_BASE_DIAMETER, h=LEG_BASE_THICKNESS, $fn=8);
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}
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cylinder(d=LEG_DIAMETER, h=height, $fn=8);
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}
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}
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}
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module stand_side() {
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difference() {
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color(COLORSCHEME == "semantic" ? COLOR_SEMANTIC_LOAD_BEARING : COLOR_WOOD) {
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cube([
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STAND_DEPTH,
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STAND_HEIGHT - STAND_THICKNESS,
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STAND_THICKNESS
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]);
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}
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// cut out cable slot
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color(COLORSCHEME == "semantic" ? COLOR_SEMANTIC_CABLE_MANAGEMENT : COLOR_CUTOUT) {
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translate([
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(STAND_DEPTH - CABLE_SLOT_WIDTH) / 2,
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STAND_HEIGHT - STAND_THICKNESS - CABLE_SLOT_SIDE_OFFSET - CABLE_SLOT_DEPTH,
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-CUTOUT_OVERCOMMIT
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]){
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cube([
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CABLE_SLOT_WIDTH,
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CABLE_SLOT_DEPTH,
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CUTOUT_OVERCOMMIT + STAND_THICKNESS + CUTOUT_OVERCOMMIT
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]);
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}
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}
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}
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}
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module spacer_cuff() {
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cylinder(d=LEG_DIAMETER + 2 * SPACER_CUFF_THICKNESS, h=SPACER_CUFF_HEIGHT, $fn=8);
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}
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module spacer(length) {
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// length is not the overall length, but the distance between
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// the centerpoints of the two legs/feet being connected
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spacer_cuff_diameter = (LEG_DIAMETER + 2 * SPACER_CUFF_THICKNESS);
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mid_segment_length = length - spacer_cuff_diameter;
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color(COLORSCHEME == "semantic" ? COLOR_SEMANTIC_LOAD_BEARING : COLOR_STEEL) {
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difference() {
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union() {
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spacer_cuff();
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translate([0, mid_segment_length + spacer_cuff_diameter / 2, SPACER_CUFF_HEIGHT / 2]){
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rotate([90, 0, 0]){
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cylinder(d=SPACER_THICKNESS, h=mid_segment_length, $fn=8);
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}
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}
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translate([0, length, 0]){
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spacer_cuff();
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}
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}
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cylinder(d=LEG_DIAMETER, h=SPACER_CUFF_HEIGHT, $fn=8); // hole in first cuff
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translate([0, length, 0]){
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cylinder(d=LEG_DIAMETER, h=SPACER_CUFF_HEIGHT, $fn=8); // hole in second cuff
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}
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}
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}
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}
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// Stuff that's used for subs:
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module screw() {
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color(COLORSCHEME == "semantic" ? COLOR_SEMANTIC_LOAD_BEARING : COLOR_STEEL) {
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translate([0, 0, MODULE_SCREW_LENGTH]){
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cylinder(d=SCREW_HEAD_DIAMETER, h=SCREW_HEAD_THICKNESS, $fn=6);
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}
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cylinder(d=SCREW_DIAMETER, h=MODULE_SCREW_LENGTH);
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}
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}
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module screw_hole() {
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color(COLOR_CUTOUT){
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cylinder(d=SCREW_DIAMETER * 1.01, h=MODULE_SCREW_LENGTH + CUTOUT_OVERCOMMIT);
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}
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}
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module barrel_nut() {
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color(COLORSCHEME == "semantic" ? COLOR_SEMANTIC_LOAD_BEARING : COLOR_STEEL) {
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difference() {
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translate([
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-MODULE_THICKNESS / 2, // center on origin
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0,
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BARREL_NUT_DIAMETER / 2 // but with the bottom at z=0
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]){
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rotate([0, 90, 0]){
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cylinder(d=BARREL_NUT_DIAMETER, h=MODULE_THICKNESS);
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}
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}
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cylinder(d=SCREW_DIAMETER, h=BARREL_NUT_DIAMETER); // screw hole
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}
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}
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}
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module barrel_nut_hole(){
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color(COLOR_CUTOUT){
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translate([
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-MODULE_THICKNESS / 2 - CUTOUT_OVERCOMMIT, // center on origin
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0,
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BARREL_NUT_DIAMETER / 2 // but with the bottom at z=0
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]){
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rotate([0, 90, 0]){
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cylinder(d=BARREL_NUT_DIAMETER * 1.01, h=CUTOUT_OVERCOMMIT + MODULE_THICKNESS + CUTOUT_OVERCOMMIT);
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}
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}
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}
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}
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