The floor plan cut the model at elevation 1200 mm but the windows sill height are at 1700 mm.
Revit cut roof at height.
After creating a roof change the style of the eaves by specifying the rafter cut.
The cut plane is a plane that determines at what height certain.
This image was snipped from revit help about view range.
Click finish edit mode.
The default is plumb cut as we have seen in the previous images.
On the properties palette for rafter cut select plumb cut two cut plumb or two cut square.
For two cut plumb and two cut square specify a value for fascia depth between zero and the thickness of the roof.
The view range is a set of horizontal planes that control object visibility and display in the view.
So i need the cut plane at the elevation more than 1700.
The roof tool in revit is a very simple tool to use but you can get some very complex and interesting roof designs from it.
If you are not familiar with view range this image can help to set the options above.
Every plan view has a property called view range also known as a visible range.
About the view range.
Revit gives us three options.
On the properties palette specify a value for offset from roof base or plate offset from base.
In the drawing area select the roof.
The horizontal planes are top cut plane and bottom.
The top and bottom clip planes represent the topmost and bottommost portion of the view range.
Read it if you need more.
While in sketch mode select a slope defining boundary line.