Used to assemble a selected group of components into a distinct assembly, and save it for placement at any time. A minimum of two elements must be selected to activate the tool. There are no restrictions to the types components selected. Components belonging to an assembly, once placed behave as if they were placed individually.

• Ribbon: Building Design > Modification > Modify Selected > Placement > Create Assembly

Setting	Description
Assembly Name	Assigns a name to the assembly being created.
Destination	Sets the definition destination to either your Workset, Workspace, or Organization location.
Discipline	Sets the discipline for the assembly be assigned to. Any type of element (Architectural, Electrical, Structural, HVAC or Plumbing) can be included in an assembly. Note: If you are using a ProjectWise managed configuration, *.cel files are uploaded to folders named Backup_Assembly which are under the cell folder in all levels i.e workset, workspace and organization.
File Name	Selects the cell library (*.cel) to save the component group to as an assembly cell. You can create a new cell library file by clicking (New File), and entering a new cell library file name. Once entered, the new library file becomes a selection on the File Name drop down list.
Define Placement Point	Defines the placement point when the assembly is placed in the model. Select with a data point on the component assembly that is a logical anchor point for the assembly.
OK	Completes the creation of the assembly. The assembly is saved as a .cel file, and is treated as a group of components when placed in the model.