SELECTALIGNEDSOLIDS command
Selects all solids in a model that have faces coplanar with the selected face.
Icon: 
Method
Select a single face. The program selects all solids that have faces in the same plane, shown outlined.
Selects all solids in a model that have faces coplanar with the selected face.
Icon:
Select a single face. The program selects all solids that have faces in the same plane, shown outlined.