Adapter for Lido 2 and 3 coffee grinder.

This adapter fits on top of the axle for the Lido 2-3 grinder. It has a through hole for the use of the OEM screw to hold it in place. The D shaped side fits to the axle. The other end is a hex shape, that is sized to use a 21mm metric socket.
Further iterations of this concept could include a gear or pulley for a belt, a motor or drive mechanism.