Sky Writer
Sky writer allows you to render your 3ds Max scene straight into the Source Game Engine as a HDR 2D sky texture (also known as a cubemap).
Hull Helper
Hull Helper is a simple UI to speed up making hulls from complex models.
Brush Materials and Decals
A beginning to end example of making and exporting brush materials and decals.
A video and sample file to show you how to export textures, brush materials, decals and a simple level from 3ds Max into the Source Game Engine.
Using Props in Your Scene
Article on re-using existing props in a scene.
Export Textures to WAD
Export Bitmaps from your 3ds Max scene to WAD files.
My Model Scale is Wrong
All you need to know about getting your model scale correct.
Many new 3ds Max users have problems with the scale of their exported models not matching the scale in the Max UI. Here are some tips on solving that.
Mass Model Fetch
The Mass Model Fetch Utility allows you to import multiple props into your scene at once.
Exporting Animated Particle Textures
Instructions on exporting animated textures straight from 3ds Max into the Particle Editor.
Finding Leaks in 3ds Max
Some information on finding and troubleshooting leaks.