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91 lines
2.4 KiB
91 lines
2.4 KiB
7 years ago
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$fn = 50;
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module PCB() {
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minkowski() {
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cube([130,75+4+20,1.8]);
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cylinder(r=0.8,h=0.8);
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}
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}
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module box() {
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difference() {
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minkowski() {
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cube([130-4,57,80]);
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cylinder(r=8,h=2);
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}
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translate([0,0,2]) cube([130-4,57,80+2]);
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}
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}
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module louver(x, z, num) {
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for (i=[0:num])
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translate([0,0,i*9])
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rotate([-45,0,0]) cube([x,3,z]);
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}
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module honeycomb(num_x, num_y, size) {
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for (i=[0:num_y]) {
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translate([0,i*2.4*size,0])
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for (k=[0:num_x]) {
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if( k%2==0) {
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offset = 2.4*size*0.5;
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translate([k*2.2*size,offset,0]) rotate([0,0,360/12])
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cylinder($fn=6, r=size, h=3);
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}
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else {
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offset = 0;
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translate([k*2.2*size,offset,0]) rotate([0,0,360/12])
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cylinder($fn=6, r=size, h=3);
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}
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}
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}
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}
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module mount() {
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rotate([90,90,0]) {
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translate([-4,0,0]) cylinder(r=3,h=12);
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translate([-4,-3,0]) cube([14,6,12]);
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translate([10,0,0]) cylinder(r=5,h=12);
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translate([-20,-5,2+4]) cube([30,10,12-2-4]);
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}
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}
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module screwhole() {
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translate([0,60+10,0]) rotate([90,0,0]) cylinder(r=1.4,h=12+10);
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}
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module rail() {
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rotate([90,0,0]) {
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difference() {
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linear_extrude(height=57+8+2) polygon([[-1.4,0],[1.4,0],[2.4,4],[-2.4,4]]);
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translate([-5,0,57+10]) rotate([-45,0,0]) cube([10,10,10]);
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}
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}
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}
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difference() {
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union() {
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difference() {
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union() {
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box();
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translate([-4,57+8,81.8]) rail();
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translate([130,57+8,81.8]) rail();
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}
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translate([5,-15,2.6]) louver(120,25,7);
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translate([130-4+15,3,2.6]) rotate([0,0,90]) louver(50,25,7);
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translate([-15,53,2.6]) rotate([0,0,-90]) louver(50,25,7);
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translate([5+1,5+1,-0.5]) honeycomb(13,4,4);
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}
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translate([-1.4,20,0]) cube([1.4,12,80+2]);
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translate([126,20,0]) cube([1.4,12,80+2]);
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}
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translate([-2,27,5]) rotate([90,0,0]) PCB();
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translate([20+8/2,57+10,53]) mount();
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translate([100+8/2,57+10,53]) mount();
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translate([-4,0,5]) screwhole();
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translate([-4,0,8+66.6]) screwhole();
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translate([130,0,5]) screwhole();
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translate([130,0,8+66.6]) screwhole();
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translate([-50,56.8,-10]) cube([250,20,100]); // subtract back
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}
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