Summary

This simple design allows you to enable auto bed levelling on RepRap prusa i2. It bolts on to the right hand side of the X carriage.

Instructions

this bolts on to the side of the X carriage just under the springs to keep the filament in place. Then glue a tower pro 9g servo to the servo holder. Next glue the little tab in place and screw this into the front of a servo.
Please refer to this great guide for help: http://zennmaster.com/random-things/auto-bed-leveling-for-the-makerfarm-prusa-i3-part-1-assembly-and-basic-setup