60mm Exhaust Fan Silencer Flowmaster (PSU) Ender3/Neptune[2,3]/Others

Exhaust Fan Silencer that was inspired by the Flowmaster muffler design. I know that it looks kind of hokey, but it's hard to argue with the results. The folks at Flowmaster really know what they are doing with muffler design. This Fan Silencer is designed to maximize air flow while providing special baffling to trap the compression waves coming off of the fan. *** Sound Reduction *** This fan reduces the noise by around 7-20 decibels (depending upon measuring techniques). Please remember that decibels are not linear. In many cases this silencer provides a perceived noise reduction of 50%. * WARNING: I am using a simple decibel app from my phone for measurements and mine, my friends' ears, and your comments for the perceived reduction. * **Use on exhaust fans only** For those looking for an Intake Fan try https://www.thingiverse.com/thing:5177333 The design appears to have negligible negative effect on the PSU fan's ability to cool. Please carefully choose which