Stephen loves his Companion Cube and it loves him. He wrote a very good tutorial on how to convert a Rubik’s Cube into a Companion Cube (from Valve’s Portal). He suggests buying a brand new Rubik’s Cube, but if I were doing this craft, I would try to get a cheap used one at a yard sale or thrift store or something instead of paying $10 for a new one – but I’m a cheapskate.

• Full tutorial at granades.com [via Kotaku]