For the sheet metal parts, to export the bodies in only one file:


This option makes it possible to export all the bodies of the file selected in only one file DXF.


Selection of the documents: 


This option makes it possible at the time of export in DXF to display or hide the elements of this list.


 


In the DXF, the hidden edges, the lines of folding, Sketches, and the cube of visualization will not appear.