#BLENDER 4.0 BROKE ALOT OF THE MATERIAL SETUP STUFF, STAY ON 3.6 TO USE PERIMETER
DO NOT DOWNLOAD THE RELEASE ZIPS, DOWNLOAD THE SOURCE FROM ABOVE
https://em4volts.github.io/perimeter-wiki/setup
Make an issue in the cool issues section up there, or if you fixed them make a PR and ill look at it in about 20 years.