Custom Materials
Warning
Materials that include drivers require care (e.g. Base Instance and Extra Instance materials)
Make sure
To copy an existing material and build upon it
or copy the nodes with drivers to your material
Visibility Filtering
For a material to show up in the “Project Settings” panel:
Include one or more Keywords at the end of it’s name
Keywords
“_BI” (as in Base Instance)
“_EI” (as in Extra Instance)
“_EG” (as in Extra Glass)
“_EP” (as in Extra Plane)
“_FR” (as in Frame)
“_FL” (as in Floor)