This generates Sierpinski triangles of various levels. Fractals.
(draws all the smallest elementary triangles)

change variable named level
(choose levels in range of 1-8, takes a lot more time if greater)

pt1,pt2,pt3 decide the shape of the initial triangle.

To run it: run python striangle.py

Dependencies: python, matplotlib

By: Chaitanya CH

based on: 
conversations with punchagan &
http://www.cs.washington.edu/homes/reges/python/