Shade 스크립트(Python)로 미비우스 바퀴 만들기

import math
scene = xshade.scene()
scene.begin_creating()

r = 10

for n in range(0,360,3):

    for rr in [-1.5,-1.2, -0.9, -0.6, -0.3, 0.0, 0.3, 0.6, 0.9, 1.2,1.5]:
        nn = n / 2
        x1 = (r) * math.cos(n * math.pi/180)
        y1 = (r) * math.sin(n * math.pi/180)
        x2 = x1 + (rr) * math.sin(nn * math.pi/180) * math.cos(n * math.pi/180) 
        y2 = y1 + (rr) * math.sin(nn * math.pi/180) * math.sin(n * math.pi/180)
        z2 =      (rr) * math.cos(nn * math.pi/180)
        scene.create_sphere(None,(x2, y2, z2),0.6)

scene.end_creating()

nn = n / 2

nn = n 

nn = n * 6

nn = n * 2

nn = n * 2.5

nn = n * math.cos(n * math.pi/180)

for n in range(0,360,1):
~~
nn = n * 17