Drawing Ductwork In an Elevation View

You use the same tools and methods to draw ductwork in elevation views as in plan views. However, because you are viewing the layout from a different perspective, the results are not always what you may expect. Ductwork drawn in a elevation view is drawn relative to the elevation view plane. When drawing in an elevation view, you should keep a 3D view or plan view visible to view the results of your actions. Here are some things to keep in mind: