Click "Customize-Customize Wall" and select the wall to enter the customize wall interface.
In the left "Assembly-Molding" catalog, select the style of the molding and then select the modeling line or surface to add moldings. Hold the "Ctrl" key (⌘ key for Mac)) to switch between adding molding by segments or by a whole circle. After adding, select the molding and you can adjust the size, the position and the style of the molding in the right property panel.
