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group() {
multmatrix([[1, 0, 0, -20], [0, 1, 0, 30], [0, 0, 1, 0], [0, 0, 0, 1]]) {
group() {
minkowski(convexity = 0) {
difference() {
cube(size = [10, 10, 5], center = true);
cube(size = [8, 8, 10], center = true);
}
cylinder($fn = 0, $fa = 12, $fs = 2, h = 1, r1 = 2, r2 = 2, center = false);
}
}
}
multmatrix([[1, 0, 0, 0], [0, 1, 0, 25], [0, 0, 1, 0], [0, 0, 0, 1]]) {
group() {
minkowski(convexity = 0) {
difference() {
cube(size = [10, 10, 5], center = false);
cube(size = [5, 5, 5], center = false);
}
cylinder($fn = 0, $fa = 12, $fs = 2, h = 5, r1 = 5, r2 = 5, center = false);
}
}
}
multmatrix([[1, 0, 0, 25], [0, 1, 0, 25], [0, 0, 1, 0], [0, 0, 0, 1]]) {
group() {
minkowski(convexity = 0) {
cube(size = [10, 10, 5], center = false);
cylinder($fn = 0, $fa = 12, $fs = 2, h = 5, r1 = 5, r2 = 5, center = false);
}
}
}
multmatrix([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
minkowski(convexity = 0) {
cube(size = [10, 10, 5], center = false);
}
}
minkowski(convexity = 0);
minkowski(convexity = 0);
}
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