multmatrix([[1, 0, 0, -24], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
	union() {
		cube(size = [15, 15, 15], center = true);
		sphere($fn = 0, $fa = 12, $fs = 2, r = 10);
	}
}
intersection() {
	cube(size = [15, 15, 15], center = true);
	sphere($fn = 0, $fa = 12, $fs = 2, r = 10);
}
multmatrix([[1, 0, 0, 24], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
	difference() {
		cube(size = [15, 15, 15], center = true);
		sphere($fn = 0, $fa = 12, $fs = 2, r = 10);
	}
}
group();