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group() {
rotate_extrude(convexity = 1, $fn = 0, $fa = 12, $fs = 2);
rotate_extrude(convexity = 1, $fn = 0, $fa = 12, $fs = 2);
rotate_extrude(convexity = 1, $fn = 0, $fa = 12, $fs = 2) {
cube(size = [1, 1, 1], center = false);
}
rotate_extrude(convexity = 1, $fn = 0, $fa = 12, $fs = 2) {
multmatrix([[1, 0, 0, 20], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
circle($fn = 0, $fa = 12, $fs = 2, r = 10);
}
}
multmatrix([[1, 0, 0, 50], [0, 1, 0, -20], [0, 0, 1, 0], [0, 0, 0, 1]]) {
difference() {
rotate_extrude(convexity = 1, $fn = 0, $fa = 12, $fs = 2) {
multmatrix([[1, 0, 0, 20], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
difference() {
circle($fn = 0, $fa = 12, $fs = 2, r = 10);
circle($fn = 0, $fa = 12, $fs = 2, r = 8);
}
}
}
multmatrix([[1, 0, 0, -50], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
cube(size = [100, 100, 100], center = true);
}
}
}
multmatrix([[1, 0, 0, 50], [0, 1, 0, 50], [0, 0, 1, 0], [0, 0, 0, 1]]) {
difference() {
difference() {
rotate_extrude(convexity = 1, $fn = 0, $fa = 12, $fs = 2) {
multmatrix([[1, 0, 0, 20], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
circle($fn = 0, $fa = 12, $fs = 2, r = 10);
}
}
rotate_extrude(convexity = 1, $fn = 0, $fa = 12, $fs = 2) {
multmatrix([[1, 0, 0, 20], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
circle($fn = 0, $fa = 12, $fs = 2, r = 8);
}
}
}
multmatrix([[1, 0, 0, -50], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
cube(size = [100, 100, 100], center = true);
}
}
}
multmatrix([[1, 0, 0, 0], [0, 1, 0, -60], [0, 0, 1, 0], [0, 0, 0, 1]]) {
rotate_extrude(convexity = 1, $fn = 1, $fa = 12, $fs = 2) {
multmatrix([[1, 0, 0, 20], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
circle($fn = 1, $fa = 12, $fs = 2, r = 10);
}
}
}
multmatrix([[1, 0, 0, 0], [0, 1, 0, 60], [0, 0, 1, 0], [0, 0, 0, 1]]) {
rotate_extrude(convexity = 1, $fn = 0, $fa = 12, $fs = 2) {
multmatrix([[1, 0, 0, -20], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
square(size = [10, 10], center = false);
}
}
}
}
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