M. To add a plate bounded by beams

To create an infill plate by selecting existing members as plate edges, use the following procedure.

Note: The beams to be used as bounding edges of an infill plate must meet the following requirements:

Select the beams you want to use as bounding edges of the plate.
You must select three or more beams.
Note: Use the Beam Cursor tool in the Selection group on the Geometry ribbon tab.
On the Geometry ribbon tab, select the Add Plate > Create Infill Plates tool in the Plates group.

A message dialog indicates that the plate was successfully generated.