To add another component instance by dragging and dropping:
With an assembly open, hold the Ctrl key, then drag a component either from the FeatureManager design tree, or from within the graphics area.
A preview of the component appears.
Drop it in the graphics area. You can inference the assembly origin.
When you add a new instance of a component, the instance number suffix (component<n>) is incremented.
You can also add components by dragging from other open document
windows.