Custom Ceiling Design in Revit Tutorial -Ceiling tool to create a ceiling at a specified distance above its level. To place a ceiling, click within walls that form a closed loop, or sketch its boundaries.Use beam system tools to add a single structural framing element that contains a series of individual beams placed in parallel to a building model.The one-click beam system can only be added in plan or ceiling view with a horizontal sketch plane. If the view or the default sketch plane is not a level and you click Beam System,changing beam section or profile in autodesk revit you are redirected to the Create Beam System Boundary tab.Curved walls and beams can be used to create a loop, but cannot be the direction defining members in the Beam System.