Python Turtle Competition

What kind of picture can you make using Python and the Turtle Library? 


What does this make?  You will need to indent the loop?

from turtle import *

cat=100

loops = 0

while loops < 100:

loops +=1

forward (cat)

backward (50)

right (90)

pencolor("red")

forward (50)

right (90)

forward (50)

right (90)

forward (40)

pencolor("Blue")

left (1)

cat=cat+5

done()