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