Extreme pbr addon shader maker

So the addon Extreem PBR - I am learning from this. By looking at how the nodes are setup it gives me great examples. My goal for the next 3 days (This weekend) is to figure out how to make my own maps with Adobe Photoshop. And then hopefully plug these into the folder places as shown in this picture.

So my first thought was to hijack some existing textures with my own images. We have Material SLOTS where we can add a different material to the same object.
Then apparently I can scale them to my object at this point.

here at 25:43 he is talking about making a

Fantastic. Seriously. did I say it’s fantastic? It is. Huge time saver for pipeline work.

Take Saturday off. There