Belt driven Z-Axis / Worm Gear Mount

This the Worm Gear Mount that I use for the Z-Axis on my TEVO Tarantula.

The worm gear prevents that the x-axis beam falls on the print (or heatbed) after the motors are switched off or if a power failure occurs.

I have prepared a short version that simply sits on a 2020 beam and versions with longer "legs" that can be used to connect a 2020 beam with a 2040 beam. If you do not want to loose any build height on the Tarantula you should choose the one with one short side.

All parts can b