Prop Data & Gibs Rollout
This rollout lets you assign prop_data values to your prop so that it can be used as a prop_physics in Source. YOu can also assign custom Gibs models with this rollout.
VMF Importer
You can use Wall Worm to import a VMF into 3ds Max. This allows you to bring in your Hammer project into 3ds Max.
VMF Exporter
The Wall Worm tools allows you to send your 3ds Max scene to Hammer and Source via a VMF Exporter.
Unknown Bitmap Filetypes Crash VMF Exporter
Do not use bitmap filetypes that Max doesn't know how to read.
Using unknown bitmap types on world geometry and displacements will crash the VMF Exporter. This currently happens if using VTFs in materials in 3ds Max 2013 since there is no VTF plugin yet.
Detailer
Bringing life to your scenes
Detailer is a detail sprite primitive plugin with exporters. The tools allow you to either create VBSP files, and will also create geometry that exports into the Source Game Engine with the Wall Worm VMF exporter.
Export Body Groups | $bodygroup
You can export body groups ($bodygroups) directly into Source in 3ds Max.
Lightmap Scale
This article details the process of setting lightmap scale on objects, displacements and faces with Wall Worm Anvil's lightmap tools.
Export Textures
How to export your model textures from 3ds Max to Source.
Starter Kits
Source Engine level design starter kits will automate some entity setups for common level design tasks.
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.