Solidoodle Torsional Anti-Backlash Nut for Z-Axis

Specifically designed for the Solidoodle 2 with the aluminum platform and original lead-screw. It can be used with or without the nut attached to the platform. This design has not been tested yet. It will definitely help with backlash from changing direction in Z, but I don't know how much it will help with wobble or Z banding caused by an eccentric lead screw. In order to make it work you will need to make a spring of the correct size.

This design was inspired from a Kerk anti-backlash nut I