I didn't look at the model or read everything in detail, but I dimly recall having some problem with the normal map mixing mode in Substance in the past (replace vs. combine) and it not being really intuitive or behaving like expected. Might be worth doing a quick test if that changes anything.
Hello, you're welcome ! What an interesting series of tests. At the very least the cause is identified now, and it is definitely true that there is a wide range of setups from "best possible" to "worst possible" with these things. That said it seems to me that some pipelines should be able to display some of these bad test…
Ok now I think I understand what you are talking about. First off let's be *very* precise. What you are specifically talking about is the look of the top and bottom edges of the embossed details. In other words, this whole thread is about this and only this (which if I am understanding you correctly comes from a 2D to…