Mirrored Wormscrew gearbox for hector robot

A gearbox designed around a large servo motor, a wormscrew gearbox with 13:1 gear ratio.

The drive horns go through both sides of the gearbox.
The potentiometer is mounted to the gearbox indirectly using an involute gear.

Mirrored parts.

This comes in a left and right version. This is the left handed version.

Right handed: http://www.thingiverse.com/thing:59770

UPDATE: Use the -1 files. They are newer and make screwing the gearbox together easier.

This is part of Hector, the 3d printable robot

http://www.thingiverse.com/thing:59826