from piscript.PiModule import *

init3d("rotatingframe", 250, 150)
import math


for i in range(36):

	beginpage()
	center()
	scale(100)
	translate(0,-0.5)
	set_eye([0,0,10,1])
	set_light([-1,1,0.5,0])
	newpath()
	moveto3d(0,0,0)
	lineto3d(1,0,0)
	lineto3d(1,1,0)
	lineto3d(0,1,0)
	closepath3d()
	stroke(0)
	endpage()
	rotate3d([0,1,0], math.pi/18)
flush()