120mm vent fan enclosure
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A solution that I created to increase air movement and fight humidity on passively ventilated sleeping quarters/cabin.
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Model information
- Source
- Printables
- Category
- Other House Equipment
- License
- Creative Commons — Attribution — Noncommercial
Printed separately with PETG, didn't use supports. I melted the fan connector to keep it attached. Channel has room for ~100mm x 40mm vent, so it could be installed on top of existing vent cap
I used 4PDT ON/ON switches, case fan, dc barrel jack and gutted cat5 cable.
HI/LO drops 12V to 7V, I preferred to wire the ON/OFF to positive and HI/LO to negative side
Model has multiple channels for wiring and room on top for future update (sensors, IoT, PWM, ESP32, etc.)
3 pin fan connector is a bit more complex subassembly, but here is a rough mockup
It's a bit complex but well thought concept.
Fan change is tool-free, just twist the shell 30 something degrees counter-clockwise.
Fan slot has some room for vibration reducing padding.
And as always with electricity and pointy things: you are the one responsible, be careful, use your head and have fun!