Of course, when I invert the Y or the green channel it changes but as I said earlier, one mesh will still remain incorrect: I invert the Y in the common "aiNormalMap" node to correct the mesh on the left, then it becomes correct while the mesh on the right becomes incorrect. And when I change tangent space handedness…
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…