A key thing is to not just add lights floating in space. Instead visit real locations, and pay close attention to how and where the lighting is. If you can’t visit an old diner, then look at tons of references, and try to map it out.
Hi guys! I'm reopening this because it has happened AGAIN! Different project this time though and it happened part of the way through so there is still no consistency with this issue. I'm trying to bake an outfit for a character like I have done countless times and the low poly with the UVs is now not in the same location…