@FrankPolygon A sincere thank you for the detailed and comprehensive explanation! I knew something was wrong, but didn't realize it was multiple problems all happening at once. I believe you've saved me a lifetime's worth of trouble on this topic since it's kind of difficult to google if you don't know what the exact…
This is an issue that has plagued me ever since I first started modelling, and after seeing it rear its ugly head again, I've decided to finally tackle it seriously and hopefully put this issue to rest once and for all. A long time ago I thought Substance Painter was just bad at baking high/low normals and would manually…