120 mm PC Fan Duct Laminar Flow Ventilator
thingiverse
I was looking for a fan that was both silent and has a low electricity consumption to run all night long on my sailing boat. So I took a pc fan and designed a fan duct to get some kind of lamina flow instead of a turbulent one. With this design you feel the airflow within a distance of two meters and more when the air in the boat is stuffy. You need two M5 screws and nuts to mount the stand.
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