This guy not only is a cube maniac, he also designed his own internal mechanism for the 4x4x4 cube.
Web link of note: Twisty Megasite: 4^3 plans
(At http://www.twistymegasite.com/4x4x4-plans.asp)
Science, Mad. And some movies.
This guy not only is a cube maniac, he also designed his own internal mechanism for the 4x4x4 cube.
Web link of note: Twisty Megasite: 4^3 plans
(At http://www.twistymegasite.com/4x4x4-plans.asp)