Espresso Knockbox

Fully printable espresso knockbox to capture used coffee grounds.Intended print settings:The Knockbox main body can be printed out of PLAThe Tube & Tube Cap should be printed out of either PETG or ABS for durabilityI printed mine in PETG 2 years ago and it has sustained daily usePLA may work, but is not recommendedTo assemble, you just need to feed the tube through the hole in the knockbox. One inserted, just screw the tube cap on until tight.The tube is able to rotate to remove any remaining grounds that don't fall into the knockbox. To use, strike the center of your portafilter basket onto the tube.The knockbox can hold 10+ used espresso pucks before needing to be emptied.