Thanks Mr Puybaret for your answer.
I was thinking about creating a new feature request regarding this printing option, but i already found 4 open feature requests which handle this point, therefore i will do nothing.

#446 Option to export "pure" floor plan (walls, doors, windows)
https://sourceforge.net/p/sweethome3d/f ... uests/446/

#549 Imprimer sans les meubles
https://sourceforge.net/p/sweethome3d/f ... uests/549/

#691 Allow grouping and hiding dimensions just like furniture.
https://sourceforge.net/p/sweethome3d/f ... uests/691/

#754 : #754 Hide ALL furniture on print
https://sourceforge.net/p/sweethome3d/f ... uests/754/