Smart Material for blender (Cycles only)
Easy way to create a nice texturing for your hard surface Model.
Change between rusty and metallic edges.

Example:
Rusty

Metallic:

Adjust materials with a couple of clicks in shader editor
Low edge noise spread

High edge noise spread

Append files from blend file to able to use and able to drag and drop from asset browser as well from Blender version 3.0