In this course, we’ll look at methods for modular modeling inside 3ds Max.
When it comes to creating believable game art, detail and structure are important. With that in mind, we'll cover a detailed process to ensure our model has a final look that'll transition well. We'll also make sure our models will work later in the process, such as baking and detailing in ZBrush.

By the end of this 3ds Max tutorial, you'll understand the subdivision modeling practices needed to finish out your own modular structure for games.

http://www.digitaltutors.com/tutorial/2353-Hard-Surface-Modeling-a-Modular-Structure-for-Games-in-3ds-Max