Recursive Drawing

Recursive Drawing. Nice!

Update : Try it, it's awesome.

Update 2 :

Vi Hart on Making Her Videos

How To Make A Video About How To Make A Video About How To Make A Video About How To Make a Video... 

There's something about Vi Hart's recursive video about how she makes her videos which reminds me strongly of the Lispish ideal of having the Lisp interpreter available at write-time, compile-time and run-time.