Berd-Air silencer
thingiverse
Say hello to peace! Best results (almost no noise at all) will be achieved when printed from a firm (or even rigid) plastic. For single person use, you need to print 4 pieces and glue them in pairs. When installing, make sure that the air flow follows the arrow on the silencer. Once you have the silencer, print the air pump "silent" holder at https://www.thingiverse.com/thing:3429374. See also the Berd-Air drill mask at https://www.thingiverse.com/thing:3608733 P.S. This is a very precise item. Try printing it with a 0.2 nozzle and maximum speed. If you find internal holes "closed", drill them...
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