Fellow Opus Grinder Bellows

prusaprinters

This is a bellows cap for the Fellow Opus grinder.  Each part prints easily in PLA without supports, but make sure to specify enough perimeter layers to make the part solid.It has two pieces that bolt together using a couple of M3x8 screws and M3 nuts (if desired). I put the nuts on the inside of the cap because I like how it looks.  In theory, they could come off, so I used a drop of Loctite on each to ensure they didn't get into my grinder. You could also put the nuts on the outside.The rubber bellows press-fits between the double walls of the part I call the “insert”. It takes a little bit of coaxing but twisting it seems to help.Other hardware needed:(4) M3 x 8 screws(4) M3 nutssilicone rubber bellow bellows (I got mine from eBay)