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Exhaust Fan built with 120V Bathroom motor and Impeller

IMG_20180907_191744992.jpg Exhaust Fan built with 120V Bathroom motor and Impeller
IMG_20180907_191801556.jpg Exhaust Fan built with 120V Bathroom motor and Impeller
IMG_20180907_191754940.jpg Exhaust Fan built with 120V Bathroom motor and Impeller
IMG_20180904_121139032_LL.jpg Exhaust Fan built with 120V Bathroom motor and Impeller
479aa78262411ce91bf513206f28fb56_preview_featured.jpg Exhaust Fan built with 120V Bathroom motor and Impeller
exhaust_fan_printing.png Exhaust Fan built with 120V Bathroom motor and Impeller
IMG_20180903_225224457.jpg Exhaust Fan built with 120V Bathroom motor and Impeller
f86f8523b890b58b058f81e942bcb07a.png Exhaust Fan built with 120V Bathroom motor and Impeller
7b5bcd0d5a849c6de6377884b07fddae.png Exhaust Fan built with 120V Bathroom motor and Impeller
Exhaust_fan_v5.stl Exhaust Fan built with 120V Bathroom motor and Impeller
lid_v5.stl Exhaust Fan built with 120V Bathroom motor and Impeller
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Creation quality: 5.0/5 (1 vote)
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  • Exhaust_fan_v5.stl
  • lid_v5.stl

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Publication date 2023-05-22 at 00:54
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Published to Thingiverse on: 2018-09-04 at 18:17
Design number 1232089
SomeGuy2023

SomeGuy2023

3D printer file info

3D model description

UPDATE 9/8/2018
The fan works great and does not get hot enough to worry me. I had to put the fan inside the wind tunnel to get more cooling, so it will be exposed to whatever fumes I throw at it. I also posted a pic of the original design so everybody can avoid the mistake of not having enough air flow around the motor. Enjoy and post a make please!

I needed a exhaust fan, but instead of going the standard route (12/24V fan), I decided to go with a squirrel cage design running on 120V. Lowes' cheapest bathroom fan is $14.50, but you can buy the motor and impeller for $17.99 if you don't want to take apart the fan. Yes, the motor is more expensive than then whole bathroom fan. The outlet is approximately 3", so you can attach a flexible fan duct which you can buy at Lowes for $9.

Printed it in PLA, with the feet on the bed with supports touching the build plate and brim.

Print the body with support touching build plate. Print the lid. Assemble and attach lid however you like (superglue, tape, whatever). To note, I used a strip of aluminium can between the motor and the body mount to dissipate heat. Not sure that it is needed, but it was easy to add.

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