I actually did one of the images from the Labyrinth maze about 4 years ago...where the heck did I put it? hope I still have it, it was a @#$% to model (Escher was worse...but that's Escher for you..;)
needs some toning up to work in Poser, but let me look.

I wish I'd said that.. The Staircase Wit

anahl nathrak uth vas betude doth yel dyenvey..;)