Attached Link: http://www.renderosity.com/viewed.ez?galleryid=943423&Start=1&Artist=Asylumc3&ByArtist=Yes

Wondering if this image is close to what you may mean. It's part of "Freeforms", using Ron Barnett's Slope #D Quadratic ODE Attractor. I've added the link to it. Then again I like the example Deagol gave. This might be fun to play with, thanks :).