134 lines
4.0 KiB
OpenSCAD
134 lines
4.0 KiB
OpenSCAD
// Pin Connectors V2
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// Tony Buser <tbuser@gmail.com>
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// pinhole(h=5);
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// test();
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// pintack(h=10);
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// pinpeg(h=20);
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module test() {
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tolerance = 0.3;
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translate([-12, 12, 0]) pinpeg(h=20);
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translate([12, 12, 0]) pintack(h=10);
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difference() {
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union() {
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translate([0, -12, 2.5]) cube(size = [59, 20, 5], center = true);
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translate([24, -12, 7.5]) cube(size = [12, 20, 15], center = true);
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}
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translate([-24, -12, 0]) pinhole(h=5, t=tolerance);
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translate([-12, -12, 0]) pinhole(h=5, t=tolerance, tight=false);
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translate([0, -12, 0]) pinhole(h=10, t=tolerance);
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translate([12, -12, 0]) pinhole(h=10, t=tolerance, tight=false);
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translate([24, -12, 15]) rotate([0, 180, 0]) pinhole(h=10, t=tolerance);
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}
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}
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module pinhole(h=10, r=4, lh=3, lt=1, t=0.3, tight=true) {
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// h = shaft height
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// r = shaft radius
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// lh = lip height
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// lt = lip thickness
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// t = tolerance
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// tight = set to false if you want a joint that spins easily
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union() {
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pin_solid(h, r+(t/2), lh, lt);
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cylinder(h=h+0.2, r=r);
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// widen the cylinder slightly
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// cylinder(h=h+0.2, r=r+(t-0.2/2));
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if (tight == false) {
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cylinder(h=h+0.2, r=r+(t/2)+0.25);
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}
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// widen the entrance hole to make insertion easier
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translate([0, 0, -0.1]) cylinder(h=lh/3, r2=r, r1=r+(t/2)+(lt/2));
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}
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}
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module pin(h=10, r=4, lh=3, lt=1, side=false) {
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// h = shaft height
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// r = shaft radius
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// lh = lip height
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// lt = lip thickness
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// side = set to true if you want it printed horizontally
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if (side) {
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pin_horizontal(h, r, lh, lt);
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} else {
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pin_vertical(h, r, lh, lt);
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}
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}
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module pintack(h=10, r=4, lh=3, lt=1, bh=3, br=8.75) {
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// bh = base_height
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// br = base_radius
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union() {
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cylinder(h=bh, r=br);
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translate([0, 0, bh]) pin(h, r, lh, lt);
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}
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}
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module pinpeg(h=20, r=4, lh=3, lt=1) {
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union() {
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translate([0, -h/4+0.05, 0]) pin(h/2+0.1, r, lh, lt, side=true);
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translate([0, h/4-0.05, 0]) rotate([0, 0, 180]) pin(h/2+0.1, r, lh, lt, side=true);
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}
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}
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// just call pin instead, I made this module because it was easier to do the rotation option this way
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// since openscad complains of recursion if I did it all in one module
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module pin_vertical(h=10, r=4, lh=3, lt=1) {
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// h = shaft height
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// r = shaft radius
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// lh = lip height
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// lt = lip thickness
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difference() {
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pin_solid(h, r, lh, lt);
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// center cut
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translate([-r*0.5/2, -(r*2+lt*2)/2, h/4]) cube([r*0.5, r*2+lt*2, h]);
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translate([0, 0, h/4]) cylinder(h=h+lh, r=r/2.5, $fn=20);
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// center curve
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// translate([0, 0, h/4]) rotate([90, 0, 0]) cylinder(h=r*2, r=r*0.5/2, center=true, $fn=20);
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// side cuts
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translate([-r*2, -lt-r*1.125, -1]) cube([r*4, lt*2, h+2]);
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translate([-r*2, -lt+r*1.125, -1]) cube([r*4, lt*2, h+2]);
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}
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}
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// call pin with side=true instead of this
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module pin_horizontal(h=10, r=4, lh=3, lt=1) {
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// h = shaft height
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// r = shaft radius
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// lh = lip height
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// lt = lip thickness
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translate([0, h/2, r*1.125-lt]) rotate([90, 0, 0]) pin_vertical(h, r, lh, lt);
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}
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// this is mainly to make the pinhole module easier
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module pin_solid(h=10, r=4, lh=3, lt=1) {
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union() {
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// shaft
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cylinder(h=h-lh, r=r, $fn=30);
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// lip
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// translate([0, 0, h-lh]) cylinder(h=lh*0.25, r1=r, r2=r+(lt/2), $fn=30);
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// translate([0, 0, h-lh+lh*0.25]) cylinder(h=lh*0.25, r2=r, r1=r+(lt/2), $fn=30);
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// translate([0, 0, h-lh+lh*0.50]) cylinder(h=lh*0.50, r1=r, r2=r-(lt/2), $fn=30);
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// translate([0, 0, h-lh]) cylinder(h=lh*0.50, r1=r, r2=r+(lt/2), $fn=30);
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// translate([0, 0, h-lh+lh*0.50]) cylinder(h=lh*0.50, r1=r+(lt/2), r2=r-(lt/3), $fn=30);
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translate([0, 0, h-lh]) cylinder(h=lh*0.25, r1=r, r2=r+(lt/2), $fn=30);
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translate([0, 0, h-lh+lh*0.25]) cylinder(h=lh*0.25, r=r+(lt/2), $fn=30);
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translate([0, 0, h-lh+lh*0.50]) cylinder(h=lh*0.50, r1=r+(lt/2), r2=r-(lt/2), $fn=30);
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// translate([0, 0, h-lh]) cylinder(h=lh, r1=r+(lt/2), r2=1, $fn=30);
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// translate([0, 0, h-lh-lt/2]) cylinder(h=lt/2, r1=r, r2=r+(lt/2), $fn=30);
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}
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}
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