Originally created as a final project in the undergraduate computer graphics course at the University of Waterloo. We still have the shrink-wrapped physical media in the lab!

That's right. Equilateral triangles, squares, and hexagons are the only regular polygons that tile the plane (on their own). No convex polygon with more than six sides can tile. But here's an example of a house-shaped, convex, equilateral pentagon that tiles.