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group() {
difference() {
square(size = [10, 10], center = true);
circle($fn = 0, $fa = 12, $fs = 2, r = 4);
}
multmatrix([[1, 0, 0, 12], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
difference() {
square(size = [10, 10], center = true);
multmatrix([[1, 0, 0, 2], [0, 1, 0, 2], [0, 0, 1, 0], [0, 0, 0, 1]]) {
circle($fn = 0, $fa = 12, $fs = 2, r = 2);
}
multmatrix([[1, 0, 0, -2], [0, 1, 0, -2], [0, 0, 1, 0], [0, 0, 0, 1]]) {
circle($fn = 0, $fa = 12, $fs = 2, r = 2);
}
}
}
multmatrix([[1, 0, 0, 12], [0, 1, 0, 12], [0, 0, 1, 0], [0, 0, 0, 1]]) {
difference() {
square(size = [0, 10], center = true);
circle($fn = 0, $fa = 12, $fs = 2, r = 4);
}
}
multmatrix([[1, 0, 0, 0], [0, 1, 0, 12], [0, 0, 1, 0], [0, 0, 0, 1]]) {
difference() {
group();
square(size = [10, 10], center = true);
circle($fn = 0, $fa = 12, $fs = 2, r = 4);
}
}
}
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