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group() {
hull();
hull();
hull() {
cylinder($fn = 0, $fa = 12, $fs = 2, h = 1, r1 = 10, r2 = 10, center = false);
multmatrix([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 10], [0, 0, 0, 1]]) {
cube(size = [5, 5, 5], center = true);
}
}
multmatrix([[1, 0, 0, 25], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
hull() {
multmatrix([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 10], [0, 0, 0, 1]]) {
cylinder($fn = 0, $fa = 12, $fs = 2, h = 1, r1 = 3, r2 = 3, center = false);
}
difference() {
cylinder($fn = 0, $fa = 12, $fs = 2, h = 4, r1 = 10, r2 = 10, center = true);
cylinder($fn = 0, $fa = 12, $fs = 2, h = 5, r1 = 5, r2 = 5, center = true);
}
}
}
multmatrix([[1, 0, 0, -5], [0, 1, 0, -5], [0, 0, 1, -5], [0, 0, 0, 1]]) {
hull() {
intersection() {
cube(size = [1, 1, 1], center = false);
multmatrix([[1, 0, 0, -1], [0, 1, 0, -1], [0, 0, 1, -1], [0, 0, 0, 1]]) {
cube(size = [1, 1, 1], center = false);
}
}
}
}
group() {
hull() {
cube(size = [0, 0, 0], center = false);
sphere($fn = 0, $fa = 12, $fs = 2, r = 0);
}
}
}
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