Neptune 4 plus motherboard fan mount

What purpose does it serve?

If you have to permanently remove the bottom cover of your printer you can still keep the fan in the correct position to cool the mcu and stepper drivers. This mod also allows you to have a bigger fan to cool the mainboard. Just make sure that it's ≥10mm thick.

For now only tested on Neptune 4 Plus, it could work for other machines if the mainboard is placed similarly to the center extrusions.

BOM:

Installation

Put two heat inserts into the holes of the fans (make sure that the heat insert size matches the hole of the fan). Assemble like seen in the picture

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