I recently stumbled across this old site: http://www.mathpuzzle.com/ctrules.html http://www.mathpuzzle.com/ctrules.html I reverse-engineered the tiles in OpenS

I recently stumbled across this old site: http://www.mathpuzzle.com/ctrules.html http://www.mathpuzzle.com/ctrules.html I reverse-engineered the tiles in OpenSCAD. Let me know and I'll upload them.