52 lines
2.2 KiB
OpenSCAD
52 lines
2.2 KiB
OpenSCAD
/*
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keyhole(keysize, mask = false)
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*/
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// enclosed keyhole
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module keyhole(keysize, mask = false) {
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adjust=.01;
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$fn = 90;
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if(mask == true) {
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union() {
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translate([0, 0, -adjust]) cylinder(h=keysize[3]+2*adjust, d=keysize[0]);
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translate([-keysize[1]/2, 0, -adjust]) cube([keysize[1], keysize[2]+keysize[0]/2, keysize[3]+2*adjust]);
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translate([0, -keysize[1]/2, -adjust]) cube([keysize[2]+keysize[0]/2, keysize[1], keysize[3]+2*adjust]);
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}
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}
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else {
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difference() {
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union() {
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translate([0, 0, -adjust])
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difference() {
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difference() {
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translate([-keysize[2], -keysize[2], keysize[3]]) cube([keysize[2]*3, keysize[2]*3, 4.5]);
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translate([0, -10, 0]) rotate([0, 0, 135]) cube([20, 10, 10]);
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translate([keysize[2], keysize[2], -adjust]) cube([keysize[2]*3, keysize[2]*3, keysize[3]+5]);
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}
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difference() {
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translate([-keysize[2]+2, -keysize[2]+2, keysize[3]-adjust])
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cube([-4+keysize[2]*3, -4+keysize[2]*3, 3.5]);
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translate([2, -10, 0]) rotate([0, 0, 135]) cube([20, 10, 10]);
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translate([+keysize[2]-2, keysize[2]-2, -adjust])
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cube([keysize[2]*3, keysize[2]*3, keysize[3]+5]);
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}
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}
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difference() {
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translate([-keysize[2], -keysize[2], 0]) cube([keysize[2]*3, keysize[2]*3, keysize[3]]);
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translate([0, -10, -adjust]) rotate([0, 0, 135]) cube([20, 10, 10]);
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}
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}
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translate([keysize[2], keysize[2], -adjust]) cube([keysize[2]*3, keysize[2]*3, keysize[3]+2*adjust]);
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union() {
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translate([0, 0, -adjust]) cylinder(h=keysize[3]+2*adjust, d=keysize[0]);
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translate([-keysize[1]/2, 0, -adjust]) cube([keysize[1], keysize[2]+keysize[0]/2, keysize[3]+2*adjust]);
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translate([0, -keysize[1]/2, -adjust]) cube([keysize[2]+keysize[0]/2, keysize[1], keysize[3]+2*adjust]);
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}
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}
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}
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}
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