Unknown System Exception
Steps on fixing problems with an Unknown System Exception when importing files.
Starter Kits

Source Engine level design starter kits will automate some entity setups for common level design tasks.
OSL Blendmodulate
OSL Blendmodulate mask to generate a mask as with a WorldVertexTransition shader in Source.
OSL Seamless_Scale
OSL Seamless_Scale (triplanar mapping) shader for 3ds Max 2019.
OSL WorldVertexTransition
The OSL Shader for WorldVertexTransition.
Displacements Fail to Export


Some tips on troubleshooting displacements failing to export from Max into Source.
My Material is always Transparent but I don't want it to be
Information on outputting the desired alpha settings for your materials.
Create Prop Zoo from VMF
Create a Prop Zoo of all the models contained in a VMF.
Imported Brush UV Scale Wrong
Fix for importing correct UVs on brushes when the source texture is not a power of 2.