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group() {
difference();
difference();
difference() {
cube(size = [10, 10, 10], center = true);
cylinder($fn = 0, $fa = 12, $fs = 2, h = 20, r1 = 4, r2 = 4, center = true);
}
multmatrix([[1, 0, 0, 12], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
difference() {
cube(size = [10, 10, 10], center = true);
cylinder($fn = 0, $fa = 12, $fs = 2, h = 10.5, r1 = 4, r2 = 4, center = true);
}
}
multmatrix([[1, 0, 0, 0], [0, 1, 0, 12], [0, 0, 1, 0], [0, 0, 0, 1]]) {
difference() {
cube(size = [10, 10, 10], center = true);
cylinder($fn = 0, $fa = 12, $fs = 2, h = 11, r1 = 4, r2 = 4, center = true);
multmatrix([[0, 0, 1, 0], [0, 1, 0, 0], [-1, 0, 0, 0], [0, 0, 0, 1]]) {
cylinder($fn = 0, $fa = 12, $fs = 2, h = 11, r1 = 4, r2 = 4, center = true);
}
}
}
multmatrix([[1, 0, 0, 12], [0, 1, 0, 12], [0, 0, 1, 0], [0, 0, 0, 1]]) {
difference() {
cube(size = [10, 10, 10], center = true);
multmatrix([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 7.01], [0, 0, 0, 1]]) {
cylinder($fn = 0, $fa = 12, $fs = 2, h = 4, r1 = 4, r2 = 4, center = true);
}
}
}
multmatrix([[1, 0, 0, 24], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
difference() {
cube(size = [10, 10, 10], center = true);
multmatrix([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 6.99], [0, 0, 0, 1]]) {
cylinder($fn = 0, $fa = 12, $fs = 2, h = 4, r1 = 4, r2 = 4, center = true);
}
}
}
multmatrix([[1, 0, 0, 24], [0, 1, 0, 12], [0, 0, 1, 0], [0, 0, 0, 1]]) {
difference() {
cube(size = [0, 10, 10], center = true);
cylinder($fn = 0, $fa = 12, $fs = 2, h = 20, r1 = 4, r2 = 4, center = true);
}
}
multmatrix([[1, 0, 0, 0], [0, 1, 0, -12], [0, 0, 1, 0], [0, 0, 0, 1]]) {
difference() {
group();
cube(size = [10, 10, 10], center = true);
cylinder($fn = 0, $fa = 12, $fs = 2, h = 20, r1 = 4, r2 = 4, center = true);
}
}
}
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