The problem seems quite stupid, but i dont know how to solve this problem. This i s a simple mesh build upon 4 vertices, it was a quad, i created the uv, i moved the upper verts in to get the shape below and kept the uv (by intention): In substance painter when i import the fbx and added a simple material, we can see the…
This is 100% expected behaviour. In simple terms, You’ve fixed a bunch of pixels on a texture to two triangles in absolute positions within them, and then changed the shape of those two triangles. The pixels won’t shift themselves off their assigned positions to suit your imagination. Hence the distortion. The only way to…