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group() {
circle($fn = 0, $fa = 12, $fs = 1, r = 5);
multmatrix([[1, 0, 0, 15], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
square(size = [10, 10], center = true);
}
multmatrix([[1, 0, 0, 30], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
polygon(points = [[-5, -5], [5, -5], [0, 5]], paths = [[0, 1, 2]], convexity = 1);
}
multmatrix([[1, 0, 0, 0], [0, 1, 0, -15], [0, 0, 1, 0], [0, 0, 0, 1]]) {
difference() {
circle($fn = 0, $fa = 12, $fs = 1, r = 5);
multmatrix([[1, 0, 0, 0], [0, 1, 0, -6], [0, 0, 1, 0], [0, 0, 0, 1]]) {
square(size = [12, 12], center = true);
}
}
}
}
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