Create art with basic geometric shapes. Try it here!
I bought this beautiful book on architecture, when I visited the very famous Guggenheim museum with my friends:
The museum (You should visit it if you are in NYC - Can't miss Picasso or Van Gogh... can you?):
The first exercise in the book was to cut out these shapes and create art out of them:
I thought: why not write a web app to do it?