woodfloors made this version of the venerable OptiDisc gif
Don't break it on my account, wf, but if you're going to mess with it might as well go all the way. (Looks great.)
Wf has a web app he's working on that enables you to jack with the disc in many other ways but until it's Windows-friendly it doesn't exist -- just kidding! Meaning I haven't played with it yet.
File under: anti-contemplative