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Simple "One-Way" Exhaust Vent (120mm Fan Adapter)
IP Report
Print Profile(1)
0.2mm layer, 2 walls, 15% infill
Designer
1.2 h
1 plate
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Description
One-way vent cap for 120 mm fans. Six snap-hinged flaps swing open when the fan blows out and slap shut when a gust tries to blow in. I built it for a window exhaust panel because the wind kept backpowering the PSU hooked up to it.
Sized to press-fit over the heads of my generic M3 screws (not sure if it will work for you, but you'll figure it out). Prints strongest/safest flat, but upright should be fine even without supports; batch jobs may get questionable.
Not exactly optimized for air flow or anything, just gets the job done. No more complicated than it should be.
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This user content is licensed under a
Creative Commons Attribution-Noncommercial
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