c = circle() show(c) c1 = circle(r=150, fill="black", stroke="none") c2 = circle(r=100, fill="blue", stroke="none") c3 = circle(r=50, fill="red", stroke="none") c4 = circle(r=20, fill="orange", stroke="none") show(c1, c2, c3,c4) c1 = ellipse() c2 = c1 | rotate(45) c3 = c1 | rotate(90) c4 = c1 | rotate(135) show(c1, c2, c3, c4)