2D and 3D views don't match

Question

I just went through one of the tutorials Adobe has on their website for Substance Painter (https://www.youtube.com/watch?v=_j27AS0VQOw) and I got to the end when I noticed something weird on mine. In Blender, the textures were all wavy. When I looked in Substance Painter, the 3D view looks straight, but the 2D view looks wavy! It affects all the maps from what I can see.
I'm not sure what I can do to fix this. Because the maps themselves are wavy throughout it, any software I bring it into looks wavy. But in SP it looks straight in the 3D view. I thought maybe there was some sort of smoothing on, or the map was misaligned, but I can't seem to find the culprit.

Cyril Dellenbach · Accepted Answer

Hello @HixonArt

The issue is due to the mesh triangulation. When you import a mesh inside Substance 3D Painter, it automatically triangulates the mesh in the backroom. Therefore, some visual issues may happen when you apply your new textures on the non triangulate object. To make it simple, the UVs depends on the triangulation orientation.

If you want to make sure there is no differences between Blender and Substance Painter, you can export your Substance Painter mesh (File>Export mesh...), or triangulate your object directly inside Blender.

Best regards,

HixonArt · Answer

This is what it looks like when rendered in Blender.

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