tahgtahv | A true penrose square has 4 distinct sides, whereas the left one here has 2 and the right one has 1 (it is a 3D mobius strip) |
lucgyver | cool |
luweewu | I'd like to separate them, but they just don't look right. :-) Nice Escher effect. |
dutchrobbie | nice 3d-effect |
magicwoodster | Magician's nightmare. Linking Escher Rings. lol |