Not sure how you divided up the mesh but I would first check the UV’s to make sure that its still at 0,1 mapping and not tiling the uvs, then I would check that the normals are looking ok.
Not sure how you divided up the mesh but I would first check the UV’s to make sure that its still at 0,1 mapping and not tiling the uvs, then I would check that the normals are looking ok.