You have an another cellular Automate with a very simple rule!
Turmites : If it's Black turn on the right!
if it's white turn on the left!
Amazing that after some repetition a striah line apaers from the chaos! :)

Maybe with Moi adtapt it in 3D...



And the top of the must free prog about all the 2D Cellular Automates Golly
http://golly.sourceforge.net

Here with the game of life rules!