Unknown System Exception
Steps on fixing problems with an Unknown System Exception when importing files.
Starter Kits
![](/media/1/image/png/tiny/230_basic_world.png)
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
![](/media/1/image/png/tiny/160_invalidbrush_displacement.png)
![](/media/1/image/png/tiny/161_max_exported_displacement.png)
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.