Create a Single Flat Curtain Wall in the 3D Window

The Place Curtain Wall dialog box appears:
Note: The three icons in the Positioning part of the Place Curtain Wall dialog box give you three different methods for defining the Curtain Wall height.
Click Place. View the result.
To edit the Curtain Wall’s individual Members, select the Curtain Wall and click the Edit button. (If you select the Curtain Wall in the Floor Plan or Section/Elevation, this is the “Edit in 3D” button.)