gistfile1.txt

from turtle import *
from itertools import count

def snowflake(length, line=forward, *rest):
    length=length*2
    line(length/3, *rest)
    right(60)
    line(length/3, *rest)
    left(120)
    line(length/3, *rest)
    right(60)
    line(length/3, *rest)
    left(120)

screensize(2000,1500)
speed(0)
setpos(-400,000)
for c in count(0):
    tracer(abs(2-c))
    width(c)
    if abs(xcor()) >= 500:
        left(90)
    if abs(ycor()) >= 250:
        left(90)
    snowflake(120,*[snowflake for i in range(c)])
    right(90)
    clear()