Ear Plug Pocket Case

thingiverse

Small case to store ear plugs in your pocket. Requires a pen spring and one #4-40 x .438in socket head cap screw. Tap the hole in the case with a #4-40 Tap and assemble as shown in the exploded view. The case uses the pen spring and pin as a detent to keep the case closed or open. The cover snaps in to the detent in 4 positions.