Creating Entities
Details on what objects automatically export as entities in a VMF and how to manually create other entities.
Export Body Groups | $bodygroup
You can export body groups ($bodygroups) directly into Source in 3ds Max.
Displacements
An overview of creating displacements for the Source Game Engine inside 3ds Max using Anvil.
Exporting Correct Smoothing on Models
Understanding Smoothing Groups and Explicit Normals
Discussion on smoothing groups and explicit normals and how they relate to Source.
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.
WWMT Textures
Information on exporting Wall Worm Model Tools WWMT textures.
Convert Scene to Model
Instructions on converting a scene into a model or clustering multiple model props into single models.