Ender 3 HotEnd Fan Silencer

thingiverse

I'm using Silent Board 1.1.5 from Creality for my Ender 3. Now I'm left with noise from the hotend cooling fan + PSU fan (I can bear with this at the moment). A quick uncontrolled test shows that this mod seems to reduce a bit the noise level from the cooling fan. Checking with the Hone app dB meter, it reduces around ~2 to 4dB (57dB to 53dB) during printing. (I've tested on standby but forgot to record the sound level comparison) Feedback is welcome if it works on your side or not; I can improve more. Guidance and teaching me on how best to reduce acoustic noise from airflow would be much appreciated, as I don't have formal education in this area :). Just attach to your cooling fan cover part; no screws needed. The open side of the part is located towards the cooling fan side.