2. there is no official doc, but there is some examples files that you can find here :
https://github.com/farbrausch/fr_public ... _wz4/demoslook at in "example" folder you will find "example.wz4", there is many many examples in on how to use most of operators
1. there is many examples on forum where you can see meterial applied to a mesh, I give you a basic example.
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