improving the cooling air flow ,more on the print part & less on the nozzle tip less X/Y axel noise resonance because of the high frequency vibrations of the fans when high speed.https://youtu.be/2Ho2c40_AXo
Technical
print material of your choise, mine is done with PLA
Flex material for the dampered fan block seats, no fixation screws needed just inserted.
0.1mm layers recommanded.