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group() {
render(convexity = 1);
render(convexity = 1);
group() {
difference() {
cube(size = [100, 100, 100], center = true);
multmatrix([[1, 0, 0, -50], [0, 1, 0, -50], [0, 0, 1, 0], [0, 0, 0, 1]]) {
multmatrix([[-1, 0, 0, 0], [0, -1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
group() {
difference() {
cube(size = [20, 20, 150], center = true);
multmatrix([[1, 0, 0, -10], [0, 1, 0, -10], [0, 0, 1, 0], [0, 0, 0, 1]]) {
cylinder($fn = 0, $fa = 12, $fs = 2, h = 80, r1 = 10, r2 = 10, center = true);
}
}
}
}
}
multmatrix([[1, 0, 0, 50], [0, 1, 0, -50], [0, 0, 1, 0], [0, 0, 0, 1]]) {
multmatrix([[0, 1, 0, 0], [-1, 0, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
group() {
difference() {
cube(size = [20, 20, 150], center = true);
multmatrix([[1, 0, 0, -10], [0, 1, 0, -10], [0, 0, 1, 0], [0, 0, 0, 1]]) {
cylinder($fn = 0, $fa = 12, $fs = 2, h = 80, r1 = 10, r2 = 10, center = true);
}
}
}
}
}
}
}
multmatrix([[1, 0, 0, 110], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
group() {
difference() {
cube(size = [100, 100, 100], center = true);
multmatrix([[1, 0, 0, -50], [0, 1, 0, -50], [0, 0, 1, 0], [0, 0, 0, 1]]) {
multmatrix([[-1, 0, 0, 0], [0, -1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
group() {
render(convexity = 2) {
group() {
difference() {
cube(size = [20, 20, 150], center = true);
multmatrix([[1, 0, 0, -10], [0, 1, 0, -10], [0, 0, 1, 0], [0, 0, 0, 1]]) {
cylinder($fn = 0, $fa = 12, $fs = 2, h = 80, r1 = 10, r2 = 10, center = true);
}
}
}
}
}
}
}
multmatrix([[1, 0, 0, 50], [0, 1, 0, -50], [0, 0, 1, 0], [0, 0, 0, 1]]) {
multmatrix([[0, 1, 0, 0], [-1, 0, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
group() {
render(convexity = 2) {
group() {
difference() {
cube(size = [20, 20, 150], center = true);
multmatrix([[1, 0, 0, -10], [0, 1, 0, -10], [0, 0, 1, 0], [0, 0, 0, 1]]) {
cylinder($fn = 0, $fa = 12, $fs = 2, h = 80, r1 = 10, r2 = 10, center = true);
}
}
}
}
}
}
}
}
}
}
multmatrix([[1, 0, 0, -110], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
difference() {
render(convexity = 2) {
difference() {
cube(size = [100, 100, 100], center = true);
cylinder($fn = 0, $fa = 12, $fs = 2, h = 110, r1 = 30, r2 = 30, center = true);
}
}
multmatrix([[1, 0, 0, -55], [0, 1, 0, -55], [0, 0, 1, 45], [0, 0, 0, 1]]) {
cube(size = [10, 10, 10], center = false);
}
}
}
}
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