Ender 3 v2 Neo 80mm mainboard fan shroud

This shroud allows you to replace the stock 40mm fan with an 80mm fan for Creality Ender 3 v2 series printers.

Since the fans on Ender 3 v2 Neo’s run on 24v, I wanted something that would let me use a 24v Sunon fan (linked below) to provide more airflow to the stepper motor controllers on the mainboard.

The Sunon fan was incredibly loud so I’d recommend getting a 12v Noctua fan and a DC buck converter (both linked below). When you install the buck converter, connect it to the 24v rail on your power supply – do not connect it to the fan header on the mainboard.

You will need longer screws to attach this to the body of the printer (I think I used 30/35mm M3 screws).

You can find the .stl file here.

Parts list:

  • Sunon 24v fan – MF80252V11000UA99 (ebay.com)
  • Noctua 12v fan (Amazon – DE, US)
  • DC buck converter (Amazon – DE, US)
  • 35mm M3 screws (Amazon – DE, US)

Print settings

  • Printer: Creality Ender 3v2 Neo (Amazon- DE, US)
  • Filament: Creality PLA – Black (Amazon – DE, US)
  • Bed temperature: 60’c
  • Nozzle temperature: 200’c
  • Infill: 20%

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