Positive earplug
thingiverse
A personalized adaptation of http://www.thingiverse.com/thing:44815 was created using the Customizer at http://www.thingiverse.com/apps/customizer/run?thing_id=44815. The specifications used were a diameter of 25, type 5, $fn of 50, a groove of 1, weight of 14, edges of 1, and a margin of 0.1, with a cursor set at 100.
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