Stereo Flexes
Instructions on painting stereo weights to export into DMX.
Attachments & Particle System UI
Attachments are points on your model where you can attach extra models and particle systems (guns, sprites, etc). This page details both Attachments and Particle Systems since the Particle System controls are also in the attachment rollout.
Porting Levels
Articles related to porting levels into Source using 3ds Max and Wall Worm.
Making your 3D Skybox
Explanation on making a 3D Skybox in 3ds Max with Wall Worm.
Unexpected Model Orientation in VMF Exporter
Fixed in WWMT 1.772
The orientation of models in the QC Generator has been flipped on the Z-axis and the VMF Exporter is also rotated to accomodate this result. You may need to recompile models compiled before the 1.772 update.
Studiomdl.exe and Vtex.exe - Unable to find gameinfo.txt
This error usually indicates Steam did an update or you are working with a mod that doesn't use the Steam VProject setting. Read the fix here.
Exporting Correct Smoothing on Models
Understanding Smoothing Groups and Explicit Normals
Discussion on smoothing groups and explicit normals and how they relate to Source.