Replacement for Java Presse plastic insert for burr

This replaces the insert for the ceramic burr in your Java Presse coffee grinder. The original piece on ours cracked and stripped out the notches that the metal shaft grabs to spin the ceramic burr.

The original is nylon. I highly recommend printing it with nylon. I used Taulman 3D Nylon Alloy 910. Alloy 910 is an FDA approved material for direct food contact.

This version of the part fits the metal shaft a little tight. The advantage of it being tight is that it is less likely to strip