Update Face Selections for Roofs and Curtain Systems

If you have created a roof or a curtain system on a mass or a generic model, you can add faces to or subtract faces from it.

1. In the drawing area, select the roof or curtain system.
2. Click Modify | Curtain Systems tabModel by Face panel (Edit Face Selection).
3. Select the faces to add or remove.
4. Click Recreate Roof or Recreate System.