Export Multiple Texture Skins
You can give your model multiple skins (textures) so that the same mesh can look differently in different uses.
OSL: Multi Gradient
The Multi Gradient OSL map has several gradient masking options.
Rotating Textures
Instructions on creating VMTs that animate the texture rotation.
Texture and VTex Errors
Topics pertaining to errors compiling VTF Textures from bitmaps in Source.
Alpha Spec
This utility is a helper function to convert your Specular Level bitmap into the Alpha channel of another bitmap.
Grouped Geometry is Not Supported
When exporting grouped models to SMD, the SMD exporter will fail to export your model correctly.
OSL: Swirl
OSL Swirl is a simple texture map with a few controls on making swirl textures or swirl masks.
The Grid and Manipulation
Documents on the grid and related topics.
Random Elements
Random Elements Modifier lets you randomize position, rotation and scale of geometry or UVs at the element level.
BSP Topics
Basic discussion of BSP, VBSP and compiling topics.
