Installez le plugin Roof Generator : https://sweethome3d.com/support/forum/v ... 0_offset,0
Téléchargez-le ici : https://sourceforge.net/p/sweethome3d/p ... f-4.5.sh3p

L'un des derniers ajouts est la possibilité d'insérer des fenêtres.
Mini-manuels :
http://www.sweethome3d.com/support/foru ... ,190#60535 (comprend le lien de téléchargement de la bibliothèque spéciale pour les fenêtres de toit)
et
https://sweethome3d.com/support/forum/v ... ,yes#61532

[English]
Install the Roof Generator plugin: https://sweethome3d.com/support/forum/v ... 0_offset,0
Download it here: https://sourceforge.net/p/sweethome3d/p ... f-4.5.sh3p

One of the latest additions are features for inserting windows.
Mini manuals:
http://www.sweethome3d.com/support/foru ... ,190#60535 (includes the download link to the special roof-windows library)
and
https://sweethome3d.com/support/forum/v ... ,yes#61532