Ender 3 V2 Motherboard cover with 80mm fan
thingiverse
Motherboard cover for Ender 3 V2 printer with place for 80mm fan. The Ender 3 V2 motherboard fan is 24VDC. Either use 24VDC fan or buy step-down regulator and solder it between the 12VDC fan and Ender 3 V2 motherboard. For fan I used [Noctua NF-R8 redux-1200](https://www.amazon.co.uk/gp/product/B00KF7T9MI). For step-down regulator I used [Aideepen Mini DC-DC](https://www.amazon.co.uk/gp/product/B08CZBHLNH). These are so small that it's kind of pain to use, but they seem to work. Cut the trace above ADJ pad and solder 12V pads to lock the output voltage to around 12VDC. The fan is installed outside the motherboard tray. You will need custom feet to lift the printer. [These feet](https://www.thingiverse.com/thing:4599931) will work, but higher ones might be preferable.
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