          return rvSplineSurfaces       def Apply(self):         for splineSurface in self.splineSurfaces: splineSurface.Apply(self.curveA.worldMatrix, self.curveO.worldMatrix)       def AddToScene(self):         mesh = bpy.data.meshes.new("Mesh" + self.name)          self.bMesh.to_mesh(mesh)         mesh.update()          meshObject = bpy.data.objects.new(self.name, mesh)          bpy.context.collection.objects.link(meshObject)    # 