it working in other applications is no guarantee that the UVs aren't flipped - marmoset certainly handles it correctly. I don't personally know if arnold/maya does
What do you mean? When I change a parameter in material, it works like it should, as you can see in this image. But Maya inverts the textures that shouldn’t be inverted. "And when I change tangent space handedness nothing happens" - it's not a material parameter, or I'm wrong? It's like a "Shape". And when I change…
While using Arnold in Maya, I faced an unusual problem: There are 32 teeth models in the project (16 upper and 16 lower). I use 4 UDIM maps; one for each eight teeth. For some reason, Maya visually inverts the Normal maps along the Y axis ONLY for the lower teeth, while the upper teeth remain as they should (in the final…