def to_mesh(self):
        """
        Return a copy of the Primitive object as a Trimesh object.
        """
        result = Trimesh(vertices=self.vertices.copy(),
                         faces=self.faces.copy(),
                         face_normals=self.face_normals.copy(),
                         process=False)
        return result
Return a copy of the Primitive object as a Trimesh object.