Decorative Cog Shaped Herb Grinder

Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:5355956.

A simple cog shaped herb grinder Simple herb grinder in the shape of a cog, with a hole for a 22mm ball bearing. Works best if milled from wood and aluminum using CNC but can be easily 3d printed as well.

The grinding element has an opening for the M3 screw and a cavity for a nut.