Ender 3 - Power supply fan muffler
thingiverse
I used OnShape to create this power supply fan for my Ender 3. It is specifically designed to save filament at .28mm resolution with a 20% infill. Just print the part and place it over the fan opening. > <strong>Note:</strong> I am not an airflow expert (use at your own risk) but for me seems the noise level is lower.
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