Prusa i3 E3d Bowden Mount with servo v3

This is the latest version of my E3D mount for the Prusa i3 X-carriage, featuring an autolevel probe.

This one superceeds the v2 (http://www.thingiverse.com/thing:246726) and it's now compatible with E3D v6.

It improved dramatically the autolevel function, as my 9G cheap chinese servo tends to swing a different angle every time, ruining the consistency of probings. This linkage gearing lets the arm take a precise position EVERY time it swings up and down. Just tell it to go from max to mi