Use the following settings while drawing duct.
Video: Duct Options Bar Settings
- Level: (3D, elevation, and section views only) specifies the reference level for the duct.
- Width: specifies the width for a rectangular or oval duct.
- Height: specifies the height for a rectangular or oval duct.
- Diameter: specifies the diameter for a round duct section.
- Middle Elevation: Specifies the vertical elevation of the duct relative to the current level. You can enter a middle elevation value or select from a list of remembered middle elevation values.
-
/
: Locks/unlocks the elevation for the segment. When locked, the elevation of the segment is maintained and connections cannot be made to segments at a different elevation.
- Apply:Applies the current Option Bar settings. When you specify a Middle Elevation to draw a vertical duct in plan view and click Apply, Revit creates the vertical duct between the original Middle Elevation and the setting being applied.