I needed an Extractor Fan to vent out Resin fumes while printing in my study.

I then remembered that I have an USB desk fan that we weren't using and thought that I could print an attachment for that to extract the fumes as it was surprisingly strong.

But then it hit me... I could just design an extractor fan body, and strip the parts from the desk fan! And that's exactly what I did.

I ended up using a very old phone charger that I found in my box of wires, which was rated similarly to USB and a spare rocker switch. But you could technically edit the f3d and reuse the USB cable and switch that is already on the fan and not waste parts. (I am saving those for future projects)

Print Settings
Printer: Creality - Ender 3 Pro

Rafts: Doesn't Matter

Supports: Yes

Resolution: 0.28

Infill: 30%

Walls: 4 (So that it doesn't print small infill layers in between the walls)

Filament brand: CCTREE

Filament material: PLA

I also flipped the main body upside down so that it prints better

USB Extractor fan

Extractor_Fan_Full_not_for_printing.stl

Needed a case for my security alarm remote, as the tab to attach it to my keys broke off.

Not sure if this would work for other remotes, as it was modeled based on the ones I have.

I have not printed the latest version as yet, so let me know how it works out.

Remote Case

Main_Body.stl

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USB Extractor fan

Remote Case