Vaccum Pump Muffler

The author was building a vaccum pump gripper and found it was a bit noisy, so he designed and printing out a muffler for it (looks like a spark arrest muffler, but a bit more fancy).  The goal was to reduce the noise without reducing preformance.

http://jmillerid.com/wordpress/2013/03/vacuum-pump-muffler/

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