Cool Portable Fan / Duct Fan

by Mirjakhon in Circuits > Electronics

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Cool Portable Fan / Duct Fan

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Welcome to this Instructable on how to build a duct fan! For this project, I made a cool duct fan that helps to keep fumes away when soldering. It can also be used as a portable fan on a hot summer day. This project is easy to complete. Let's get started!

Supplies

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To build a duct fan, you will need the following supplies:

  1. 3D Printer, any type of filament
  2. Mini rocker switch
  3. 1000 mAh LiPo battery
  4. 80x80 mm fan 5 - 24 V
  5. DC-DC Step Up Converter
  6. 4x M3x18mm Screws
  7. 2x M3x8mm Screws


Prepare the Frame

3D print the parts. It should be printed with support material, orientation does not matter.

Downloads

fan_frame.stl
fan_cover.stl

Attach the Fan

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Using 4x M3x18mm screws attach the fan to the frame as shown in the picture.

Attach the Step Up Converter

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Now attach the boost converter to the frame as shown in the picture. 2 screws in a diagonal will be sufficient.

Glue the Switch

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The rocker switch should be glued to the side of the frame.

Wire Diagram

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Connect the cables as shown in the picture and close the cover. Finished!