In the Export 3D DWF dialog box, specify a name and location of
the DWF file. Click Save.
By default,
all model space objects are published to the 3D DWF file and, if
your drawing contains xrefs, the Group By Xref Hierarchy option is
active.
(Optional) Click Yes to open the Autodesk DWF Viewer and view
the published 3D DWF file.