Final Door concept!

After completing the texturing setup (covered in the previous post), I exported the PBR textures as 8K maps and imported the low res mesh with UVs into Marmoset Toolbag 4 for lighting and rendering (for no particular reason, at this stage you can use any PBR renderer).

Here is the final composition for our project after some tweaks can colour correction using Procreate and Photoshop:

The main object of the composition is a single mesh so the setup of the material, once you export the textures, is pretty straightforward. I just dragged and dropped the maps into a single material and applied it to the mesh: