UE5 changes UVs after import

After importing a character mesh, i noticed the Textures didn’t look right


(Maya)

(Unreal Engine 5.4)

After a while I realized, that the UVs changed after the import.

(original)

(exported out of unreal)

Does anyone know why this is happening and how to fix it?

Hello there @corydonXD!

From what I can see in the Maya screenshot, it either has smooth preview enabled, or you have smoothing groups. I would disable smooth preview, and ensure that Maya’s export settings are including the smoothing group for transfer, so UE can keep the shape of your original mesh.

I did try importing it in a lot of ways, with and without smooth mesh. I did find the solution!

I had to enable “full precision UVs” in the mesh options under LOD 0.
This fixed it.