General game development links
These are useful links posted by members of Unity, Inspired by this thread.
- The Anatomy of a Design Document, Part 1: Documentation Guidelines for the Game Concept and Proposal
- The Anatomy of a Design Document, Part 2: Documentation Guidelines for the Functional and Technical Specifications
Excellent intro and tips:
Simple but informative:
Excuse the name, but this guy has been a very successful modeler and has some good tutorials: