Introduction: 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

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


Step 1: Prepare the Frame

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

Attachments

Step 2: Attach the Fan

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

Step 3: Attach the Step Up Converter

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

Step 4: Glue the Switch

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

Step 5: Wire Diagram

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