Oh, and this is a simpler variant, but interesting nevertheless... http://www.metacafe.com/watch/783529/unbelievable_white_or_black_crazy_paper_cube/ http://www

Oh, and this is a simpler variant, but interesting nevertheless... http://www.metacafe.com/watch/783529/unbelievable_white_or_black_crazy_paper_cube/ http://www.metacafe.com/watch/783529/unbelievable_white_or_b...