def METHOD_NAME(self):
    n_gen_geometry.n_create_blocks(self.n_data)
    n_trishape = self.n_data.roots[0].children[0]
    n_gen_material.n_attach_material_prop(n_trishape)
    n_gen_specular.n_alter_material_specular(n_trishape.properties[0])  # set material alpha
    n_gen_specular.n_attach_specular_prop(n_trishape)  # add nialphaprop
    return self.n_data