OpenTunnel Designer Help OpenTunnel Designer Workflows Drawing Workflow Attach TabReferences, Raster Images, Point Clouds, and Reality MeshWorking with Attached ReferencesManipulating ReferencesExchanging to a ReferenceTo Exchange to a Reference from a Key-in by Using the References Dialog To Exchange to a Reference from a Key-in by Using the References Dialog Select the required reference in the References dialog. Do one of the following: Enter the key-in, REFERENCE EXCHANGE Enter the key-in: XD=