This has to be one of the greatest articles I have ever read on dungeon design. It is a five part series that shows you how to breath life into any dungeon. “What Jaquays particularly excelled at in those early Judges Guild modules was non-linear dungeon design. The result is a fantastically complex and dynamic environment: You can literally run dozens of groups through this module and every one of them will have a fresh and unique experience.” More importantly, these are rather simple techniques that make a monumental difference. A must read for Dungeon Designers or Module recyclers.
This has to be one of the greatest articles I have ever read on dungeon design.