Hi there!
I’ve recently been working with materials in Blender. I’ve created a nodegroup that adds weathering effects on any material that was previously created, resulting in a compact and easy to use setup.
This lets you apply dirt, dust, scratches, smudges, and other weathering effects without the need of exporting it to programs like Substance Painter, and also without using UVs or baking!
The images below are free models that have been textured by just playing with the final nodegroup a few minutes.
Also if you are interested in it you will find it on Blendermarket and Gumroad as “Smart Weathering”
I hope you like it!
Software used: Blender 2.91+ Cycles