1group() {
2 multmatrix([[0, 1, 0, 0], [0, 0, 1, 0], [1, 0, 0, 0], [0, 0, 0, 1]]) {
3 cube(size = [1, 5, 1], center = true);
4 }
5 multmatrix([[-1, 0, 0, 0], [0, -1, 0, 0], [0, 0, -1, 0], [0, 0, 0, 1]]) {
6 cube(size = [1, 5, 1], center = true);
7 }
8}
9