Stack overfow problem

from tkinter import Tk, Canvas, PhotoImage, mainloop
from math import cos, sin, radians
import itertools
import time

def rotate(pos,rot):
    x,y,z = pos
    Rx,Ry,Rz = [radians(x) for x in rot]
    cA, cB, cC, sA, sB, sC = [cos(Rx), cos(Ry), cos(Rz), sin(Rx), sin(Ry), sin(Rz)]
    Fx = (x * cB * cC) + (y * sA * sB * cC) + (y * cA * sC) + (z * -cA * sB * cC) + (z * sA * sC)
    Fy = (x * -cB * sC) + (y * -sA * sB * sC) + (y * cA * cC) + (z * cA * sB * sC) + (z * sA * cC)
    Fz = (x * sB) + (y * -sA * cB) + (z * cA * cB)
    return [Fx,Fy,Fz]

WIDTH, HEIGHT = 640, 480

window = Tk()
canvas = Canvas(window, width=WIDTH, height=HEIGHT, bg="#000000")
canvas.pack()
img = PhotoImage(width=WIDTH, height=HEIGHT)
canvas.create_image((WIDTH/2, HEIGHT/2), image=img, state="normal")
canvas.pack()
for i in range(0,3600):
    rot = [0,i,0]
    Tx,Ty,Tz,Zm = [0,0,200,200]
    x,y,z = [10,10,10]
    for m,n in itertools.product(range(-50,50,2),range(-50,50,2)):
        x,y,z = rotate([m,n,0],rot)
        img.put("#ffffff", (int(WIDTH/2 + ((x+Tx)*Zm/(z+Tz))), int(HEIGHT/2 - ((y+Ty)*Zm/(z+Tz)))))
    canvas.update()
    img.blank()

mainloop()