92 lines
2.0 KiB
OpenSCAD
92 lines
2.0 KiB
OpenSCAD
$fn=64;
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eps=0.1;
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function mirror4XY(midpoint, offsetX, offsetY) =
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[[midpoint[0]+offsetX, midpoint[1]+offsetY, midpoint[2]],
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[midpoint[0]-offsetX, midpoint[1]+offsetY, midpoint[2]],
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[midpoint[0]-offsetX, midpoint[1]-offsetY, midpoint[2]],
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[midpoint[0]+offsetX, midpoint[1]-offsetY, midpoint[2]]];
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module leg() {
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mainLength = 80;
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upperDim = 20;
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innerDim = 10;
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translate(v=[0,0,mainLength/2]) {
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cube(size=[upperDim, upperDim, mainLength], center=true);
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translate(v=[0,0,mainLength/2 + innerDim/8-0.3])
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cube(size=[innerDim, innerDim, innerDim/4-0.5], center=true);
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}
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}
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module base() {
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difference() {
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union() {
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cube(size=[200,200,4], center=true);
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// legs
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for (i=mirror4XY(midpoint=[0,0,-2], offsetX=90, offsetY=90)) {
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translate(v=i)
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leg();
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}
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// base support
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translate(v=[0,0,4.5])
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cube(size=[200,5,5], center=true);
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rotate(a=[0,0,90])
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translate(v=[0,0,4.5])
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cube(size=[200,5,5], center=true);
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translate(v=[0,-98,4.5])
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cube(size=[200,4,5], center=true);
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rotate(a=[0,0,90])
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translate(v=[0,-98,4.5])
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cube(size=[200,4,5], center=true);
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rotate(a=[0,0,180])
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translate(v=[0,-98,4.5])
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cube(size=[200,4,5], center=true);
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rotate(a=[0,0,270])
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translate(v=[0,-98,4.5])
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cube(size=[200,4,5], center=true);
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}
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union() {
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// lug holes
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for (i=mirror4XY(midpoint=[0,0,0], offsetX=50, offsetY=50)) {
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for (j=mirror4XY(midpoint=i, offsetX=40, offsetY=40)) {
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translate(v=j)
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cube(size=[10+0.3,10+0.3,140], center=true);
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}
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}
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// decorative perforations
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for (i=mirror4XY(midpoint=[0,0,0], offsetX=50, offsetY=50)) {
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translate(v=i)
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minkowski() {
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cube(size=[30,30,50], center=true);
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cylinder(r=20, h=10);
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}
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}
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}
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}
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}
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base();
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