Open the section or elevation view to add levels to.
Create a floor in revit.
To sketch the profile of the floor click modify create floor boundary tab draw panel and select a sketching tool.
Select one or more levels for which you want to create a plan view.
Click view tab create panel plan views drop down and then click floor plan reflected ceiling plan structural plan in the new plan dialog.
As you place the cursor to create a level if the.
Select walls in the drawing area to use as floor boundaries.
Architecture tabdatum panel level structure tabdatum panel level place the cursor in the drawing area and click.
Once created select the floor element and then use the shape editing tools accordingly.
If it is not active click modify create floor boundary tab draw panel pick walls.
You can use shape editing tools to manipulate the surfaces of your floor elements.
This video was recorded using revit 2020.
Edit the floor boundary and use the align and trim tools to create a closed loop sketch.
Remove all shape edits to your surfaces by means of the reset shape tool.
For type select a view type from the list or click edit type to modify an existing view type or create a new view type.
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On the ribbon click level.
Create you floors in the normal manner first.