To do: Play around to extend this basic to extended Sierpinski fractal. See these beautiful arts:
- Sierpinski Temple by MakinMagic
- Sierpinski Rainbow by yenkoff
Basic b&w: http://www.openprocessing.org/sketch/108475
In color: http://www.openprocessing.org/sketch/108474
Mirror code: http://pastebin.com/YACnq3BG
https://github.com/flyingdisc/sierpinski
