bom dia,tente fazer a transferencia de uv maps,peque um modelo parecido que tenha uv para fazer as transferencias ou recorte usando Edge Select e nao o Vertex Select.
(Lagertha i translate)
Good day, try to transfer uv maps, a small similar model that has uv to make transfers or clipping using Edge Select or Vertex Select.
Good day, try to transfer uv maps, a small similar model that has uv to make transfers or clipping using Edge Select or Vertex Select.