Python Turtle #2

#Importing libraries
from turtle import *
from tkinter import *
import turtle

#Defining properties
pencolor("white")
shape("turtle")
bgcolor("black")
pensize(1)
speed(50)

offset = 50

#Drawing the pattern
for i in range(800):
    left(45)
    forward(offset)
    right(180)
    offset-=1

#Save turtle as a vector
ts = turtle.getscreen()
ts.getcanvas().postscript(file="pattern.eps")