Specifies
the trimmer size in width x height, in current file units.
Sizes can be edited by selecting Edit List (see
Custom Frame Element Sizes).
Set
top of Trimmers to
Top
of Roof object
Matches
the tops of the trimmers to the top of the roof object
Bottom
of Roof object
Treats
the roof object as a roof deck and matches the tops of the
trimmers to the bottom of the roof
Class
Select
a class for the roof element to control its appearance and
visibility. The classes present in the drawing are listed;
alternatively select the currently active class or create
a new class from the Organization dialog box by clicking Classes (see Classes).