This was an earlier experiment with parametrics which is kind of neat. I found it while taking a trip through memory lane and decided to share. It’s definitely not very practical for anything but it looks neat, I guess 
[size=3]Example[/size]
[whisper]Keys 1-4 controls speed of drawing, 0 pauses, left mouse button starts new roulette[/whisper]
This link gives some information on roulettes:
http://mathworld.wolfram.com/Roulette.html
