84 lines
1.5 KiB
OpenSCAD
84 lines
1.5 KiB
OpenSCAD
module core (outerWidth) {
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coreH = 16;
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innerWidth = 15.3;
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outerWidth = outerWidth / 2;
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$fn = 100;
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module cyl (R) {
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cylinder(r = R, h = coreH, center = true);
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}
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module inner_core_shape (coreR, trans, cubeW, cubeL) {
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union () {
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cyl(coreR);
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translate([trans, 0, 0]) {
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cube([cubeW, cubeL, coreH], center = true);
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}
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}
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}
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module inner_core () {
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difference () {
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inner_core_shape(innerWidth, innerWidth + .5, 6, 7);
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inner_core_shape(innerWidth - 2, innerWidth - .5, 4, 4);
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}
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}
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module clip () {
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translate([outerWidth - 2, 0, 0]) {
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rotate(45, [0, 0, 1]){
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cube([6, 1, coreH], center = true);
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}
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}
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}
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module outer_clip () {
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translate([outerWidth - 2, 0, 0]) {
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difference() {
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rotate(45, [0, 0, 1]){
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cube([8, 4, coreH], center = true);
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}
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translate([3.9, 0, 0]) {
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cube([6, 8, coreH], center = true);
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}
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}
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}
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}
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module outer_core () {
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difference () {
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union () {
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difference () {
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cyl(outerWidth);
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cyl(outerWidth - 2);
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}
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outer_clip();
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}
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clip();
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}
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}
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module supports (x) {
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for (i = [0 : x]) {
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rotate ([0, 0, i * 360 / (x + 1)]) {
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if (i == 0) {
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translate ([innerWidth + ((outerWidth - innerWidth) / 2) - 1, 0, 0]) {
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cube([outerWidth - innerWidth - 5.7, 2, coreH] ,center = true);
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}
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} else {
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translate ([innerWidth + ((outerWidth - innerWidth) / 2) - 1, 0, 0]) {
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cube([outerWidth - innerWidth - 1, 2, coreH] ,center = true);
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}
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}
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}
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}
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}
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union () {
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inner_core();
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outer_core();
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supports(6);
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}
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}
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core(50);
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