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