Collision Hulls in 3ds Max for Source
Using WWMT in 3ds Max to create your model's collision hull with the Quick Hull feature.
Collision Model & Physics
The Collision Model & Physics rollout in WWMT. Assign a collision hull, create a hull with the Quick Hull function and use advanced features such as the Convexity Hull Wrapper.
Making Collision Models
Articles about making collision models.
Hull Helper
Hull Helper is a simple UI to speed up making hulls from complex models.
Collision Hulls
Use Wall Worm to quickly build convex collision hulls for your model.
Studiomdl.exe - Model has 2-dimensional geometry
Relates also to: Error with convex elements of Mesh
This error is usually caused by models having a $concave flag that do not have proper collision hulls.
Character Models
Articles related to making character models for the Source Game Engine.
Importing Models
Articles and documents related to importing model assets into 3ds Max.
Why are Models Appearing as Cubes?
When reopening a scene the models can appear as cubes if the game settings do not include paths to the source MDL files.
This document explains why models can appear as cubes instead of props when importing VMF or MDL nodes.