How did you make the "fingerprints" on the materials with sheen? Is it a map used for sheen roughness? It looks awesome! :)
I think the carpet / rug looks pretty good - can you describe your approach? Ornatrix?Corona Hair / Fur material?
Oh is that the carpet material from the Corona Material Library?
If you are able to share the material, that would be much appreciated - I'm investigating some different carpet generation techniques, e.g. displacement vs. Ornatrix.