Remix of the good design from @firstgi.
Added a duct connexion pipe.
Update of the model to adapt with my needs (Ø100 duct, 125mm between the screws).
Slight modification of the esthetic.

The author remixed this model.
Added a duct connexion pipe.
Update of the model to adapt with my needs (Ø100 duct, 125mm between the screws).
Slight modification of the esthetic.