Introduction to Layered Texturing
PBR Painter uses a layer-based system to allow you to build complex and realistic looking materials. While the details behind this system are complex, the general concepts are easy to understand and intuitive. This part of the documentation is focused on explaining these concepts, both generally and specific to PBR Painter.
General Concepts and Ideas
The video below explains the general concepts behind layered texturing, and is a great introduction if you have no experience working with layers.
PBR Painter Layer Types explained
The specific layer types used within PBR Painter are explained in the video below. This video explains exactly how each layer works and how best to use them for your materials.