I have combined three ideas together:
Noise is directed to the back of the printer - I measured noise reduction about 6 db!
Basic version has length 10 cm, extended version 12 cm.
I just used black marker to highlight the text.
Check also my fan silencer for power supply unit: https://www.printables.com/model/44686-power-supply-psu-fan-silencer-ender-3
Please share your makes and send me your thoughts about this thing!
Infill: 15%
Support: No
Enable Bridge Settings: Yes (Cura - Experimental)
The author marked this model as their own original creation. Imported from Thingiverse.