Ender 3 Pro External 4010 Motherboard Case Fan Duct
thingiverse
My motherboard was overheating, and I needed to improve cooling airflow. There are many ways to do this, and some people move the motherboard to a new case or add a bigger fan; however, I wanted to keep the original form factor of the printer if possible, so I created this. This duct allows the addition of 4010 fans underneath the Y-axis of the Ender 3 Pro. I have two of these so that I can use 2 Noctuas in _series_, so that they run at the default 24V.
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