I made this map from looking at the picture of Shadow Square on the official map that came with the Dark Sun boxed set.

Battlemap: A huge, high rez encounter map of shadow square.
http://www.wiijii.com/vizier50/DnD%2...ttle%20map.jpg

Isometric Map / Player Handout / Story Board / just for fun:
http://www.wiijii.com/vizier50/DnD%2...aps/bbtest.jpg