28 lines
945 B
OpenSCAD
28 lines
945 B
OpenSCAD
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$width = 220;
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$height = 100;
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difference() {
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linear_extrude(5)
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square([$width, $height]);
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for (i=[0:1:5]) {
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$even_row = i%2;
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translate([0, 10 + i * 16, -5]) row_cylinders(diameter=14, gap=6, x_offset=$even_row*4);
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}
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};
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module row_cylinders(diameter=20, gap=10, x_offset=0, length=220) {
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// One spacing will be split between the start and the end.
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$count = floor((length - 2 * x_offset) / (diameter + gap));
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// It's not always possible to perfectly fit all the columns, sometimes
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// you end up with extra space. In that case, the space will be split
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// into the start and the end.
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$leftover = (length - 2 * x_offset) % (diameter + gap);
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for (dx=[(diameter + gap + $leftover) / 2 + x_offset
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: diameter + gap
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: length - ((gap + $leftover) / 2 + x_offset)
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]) {
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translate([dx, 0, 0]) cylinder(h=20, d=diameter);
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}
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}
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