group() {
	group() {
		polyhedron(points = [[1, 0, 0], [-1, 0, 0], [0, 1, 0], [0, -1, 0], [0, 0, 1], [0, 0, -1]], faces = [[0, 4, 2], [0, 2, 5], [0, 3, 4], [0, 5, 3], [1, 2, 4], [1, 5, 2], [1, 4, 3], [1, 3, 5]], convexity = 1);
		multmatrix([[1, 0, 0, 2], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
			polyhedron(points = [[1, 0, 0], [-1, 0, 0], [0, 1, 0], [0, -1, 0], [0, 0, 1], [0, 0, -1]], faces = [[0, 4, 2], [0, 2, 5], [0, 3, 4], [0, 5, 3], [1, 2, 4], [1, 5, 2], [1, 3, 4], [1, 3, 5]], convexity = 1);
		}
		multmatrix([[1, 0, 0, 4], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
			polyhedron(points = [[1, 0, 0], [-1, 0, 0], [0, 1, 0], [0, -1, 0], [0, 0, 1], [0, 0, -1]], faces = [[0, 2, 4], [0, 5, 2], [0, 4, 3], [0, 3, 5], [1, 4, 2], [1, 2, 5], [1, 3, 4], [1, 5, 3]], convexity = 1);
		}
		multmatrix([[1, 0, 0, 6], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
			polyhedron(points = [[-0.8, -0.8, -0.8], [0, 0, -0.8], [0.8, -0.8, -0.8], [0.8, 0.8, -0.8], [-0.8, 0.8, -0.8], [-0.8, -0.8, 0.8], [0, 0, 0.8], [0.8, -0.8, 0.8], [0.8, 0.8, 0.8], [-0.8, 0.8, 0.8]], faces = [[0, 1, 2, 3, 4], [5, 6, 1, 0], [6, 7, 2, 1], [7, 8, 3, 2], [8, 9, 4, 3], [9, 5, 0, 4], [9, 8, 7, 6, 5]], convexity = 2);
		}
	}
	multmatrix([[1, 0, 0, 0], [0, 1, 0, 2], [0, 0, 1, 0], [0, 0, 0, 1]]) {
		difference() {
			group() {
				polyhedron(points = [[1, 0, 0], [-1, 0, 0], [0, 1, 0], [0, -1, 0], [0, 0, 1], [0, 0, -1]], faces = [[0, 4, 2], [0, 2, 5], [0, 3, 4], [0, 5, 3], [1, 2, 4], [1, 5, 2], [1, 4, 3], [1, 3, 5]], convexity = 1);
				multmatrix([[1, 0, 0, 2], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
					polyhedron(points = [[1, 0, 0], [-1, 0, 0], [0, 1, 0], [0, -1, 0], [0, 0, 1], [0, 0, -1]], faces = [[0, 4, 2], [0, 2, 5], [0, 3, 4], [0, 5, 3], [1, 2, 4], [1, 5, 2], [1, 3, 4], [1, 3, 5]], convexity = 1);
				}
				multmatrix([[1, 0, 0, 4], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
					polyhedron(points = [[1, 0, 0], [-1, 0, 0], [0, 1, 0], [0, -1, 0], [0, 0, 1], [0, 0, -1]], faces = [[0, 2, 4], [0, 5, 2], [0, 4, 3], [0, 3, 5], [1, 4, 2], [1, 2, 5], [1, 3, 4], [1, 5, 3]], convexity = 1);
				}
				multmatrix([[1, 0, 0, 6], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
					polyhedron(points = [[-0.8, -0.8, -0.8], [0, 0, -0.8], [0.8, -0.8, -0.8], [0.8, 0.8, -0.8], [-0.8, 0.8, -0.8], [-0.8, -0.8, 0.8], [0, 0, 0.8], [0.8, -0.8, 0.8], [0.8, 0.8, 0.8], [-0.8, 0.8, 0.8]], faces = [[0, 1, 2, 3, 4], [5, 6, 1, 0], [6, 7, 2, 1], [7, 8, 3, 2], [8, 9, 4, 3], [9, 5, 0, 4], [9, 8, 7, 6, 5]], convexity = 2);
				}
			}
			multmatrix([[1, 0, 0, 3], [0, 1, 0, 0], [0, 0, 1, 2], [0, 0, 0, 1]]) {
				cube(size = [8, 3, 3], center = true);
			}
		}
	}
}