Xmax3 120mm fan back cover
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120mm fan adapter for Qidi Xmax3 motherboard cooling fan
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Model information
- Source
- Printables
- Category
- Other Printer Parts & Upgrades
- License
- Creative Commons — Attribution — Noncommercial
The stock motherboard cooling fan for the Qidi Xmax3 is quite loud and always on.
The motherboard does not have any extra programmable fan headers, so I designed this replacement back cover to install a silent 120mm fan in place of the OEM 40mm fan.
Thickness constraints require you to mount the new fan on the outside. A super thin fan might fit inside.
This cover prints in 2 pieces that will (barely) fit on the Max3 build plate. I glued them together, though this isn't strictly necessary.
Lastly, the board's fan header is 24v, but most 120mm fans are 12v, you will need a means to supply 12v to the fan. I recommend a cheap buck converter from Amazon.
https://www.amazon.com/dp/B08NV3JCBC