Thingiverse

Espresso knocker insert for mason jar by benrules2
by Thingiverse
Last crawled date: 4 years, 5 months ago
Used to knock the grinds out of the espresso doohickey when done making a coffee. Much cleaner than doing it into a sink.
This design fit a few of my jars but not others, so you may need to scale a little bit to get an ideal fit.
This design fit a few of my jars but not others, so you may need to scale a little bit to get an ideal fit.