Share Email Facebook Twitter LinkedIn To Set an Instance of a Component as a Reference Component (AutoCAD Mechanical Toolset) In the mechanical browser, right-click the instance. Click Reference. A tick mark appears next to the menu item and the icon of the component changes to indicate that it is a reference component. Related Concepts About The Mechanical Structure Workflow (AutoCAD Mechanical Toolset)About Editing BOMs (AutoCAD Mechanical Toolset)About Reference Components (AutoCAD Mechanical Toolset) Related Tasks To Set a Reference Component as a Normal Component (AutoCAD Mechanical Toolset)To Exclude a Component From Parts Lists (AutoCAD Mechanical Toolset)To Set or Modify the Properties of a Component (AutoCAD Mechanical Toolset)To Override the Quantity of a Component (AutoCAD Mechanical Toolset) Related Reference Commands for Working With BOMs Balloons and Parts Lists (AutoCAD Mechanical Toolset)