Direct Drive Extruder System for E3D V6 (Prusa I3)

I designed a direct drive extruder setup that is similar to the Printrbot. It uses the lever arm style filament pusher.

All you need to print are the four parts:
1. Extruder Base
2. Arm v5
3. Arm Pin
4. Arm Spacer

The holes for the extruder base are spaced out exactly for a nema 17 stepper motor. All you need to do is drill out the holes once printed and just use longer hardware to secure everything together. I am using M3 nuts and bolts to screw everything down. I found that a golf t