To add physical model objects to a group, use the following procedure.

1. Select one or more physical objects.
2. Either:

   on the Data ribbon tab, select the Groups tool in the the Model group
   
   

   or

   right-click in the View window and select Groups > group name > Add from the pop-up menu

   If you selected the tool, then Group Manager dialog opens.
3. In the Group Manager dialog, select the group name from the list and then click Add.