To Create a Part Reference as a Reference to an Existing One (AutoCAD Mechanical Toolset)

1. Click Annotate tabBOM panelPart Reference drop-downCreate. Find
2. At the Command prompt, enter R to select the Reference option.
3. In the drawing area, click the part reference to refer to.
4. At the Command prompt, enter A to confirm that you have selected the correct part reference.
5. In the Part Reference dialog box, change anything.
6. Click OK.