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.
Collision Hulls
Use Wall Worm to quickly build convex collision hulls for your model.
Hull Helper
Hull Helper is a simple UI to speed up making hulls from complex models.
Making Collision Models
Articles about making collision models.
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.
Archive of Wall Worm Version 1 Changelog
Archive of Changelog 2011-2014
Archive of Wall Worm Version 1.X changelog in 2011 through 2014.
Create Prop Zoo from VMF
Create a Prop Zoo of all the models contained in a VMF.
Archive of Wall Worm Version 2 Changelog
Archive of Changelog 2014 to early 2017
Archive of Wall Worm Version 2.X changelog in 2014 through early 2017.
Model Utilities
The Models tab in Anvil lets you create proxies for WWMT models, set prop types and control many properties and settings for WWMT helpers in the scene.