some parts of my mesh look weird
in blender everything is fine
what should I do?
The face is the wrong way around. Exporting for blender
I had the same problem. Scroll down.
To be clear with the previous answer, your normals are probably inverted. Flip them.
If that didn’t help, which i doubt, can you verify that double-sided is enabled (if your mesh is on a MeshPart)
try double siding it on properties