Ender 3 PSU fan cover/ silencer
thingiverse
This custom part diverts air from the power supply unit (PSU) to the back of the printer, effectively reducing noise levels. Designed specifically for the Ender 3, this modification redirects airflow away from potential heat sources, ensuring a quieter printing experience. I installed it without any prior knowledge of PSU airflow or heat generation, so use at your own risk. After testing, I noticed that air exiting the system is cool to the touch, and neither the PSU nor the cover shows any signs of excessive heat buildup, indicating successful implementation.
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