After creating a mass family in the Family Editor, load the family into a project, and place one or more instances of the mass family in the project.
- Click Insert tab
Load from Library panel
(Load Family). - Navigate to the mass family file, and click Open.
- Click Massing & Site tab
Conceptual Mass panel
(Place Mass). - In the Type Selector, select the desired mass type.
- Click in the drawing area to place the mass instance.

