This draws Escher's "Impossible Cage", a 3d analog of a moebius strip, and rotates it in three dimensions. http: / /en. wikipedia. org/ wiki/ Maurits_Cornelis_Escher Written by Marcelo Vianna; 1998.
Dit tekent "Impossible Cage" fan Escher ', in 3D- analooch foar in moebius- bân, en draait it yn trije diminsjes. Skreaun troch Marcelo Vianna.