Delta direct extruder E3D/MK8

A Direct extruder for Delta 3d printer. It fit on orginal Effector and center Automatic becourse of the integradet plugs. Fit E3D all metal Hotend.

http://www.aliexpress.com/item/Long-distance-3D-Printer-J-head-Hotend-for-1-75mm-3-0mm-E3D-Bowden-Extruder-0/2054688628.html.
I use a Nema 17 0.7A stepper motor. It is very short and have enough power. With a long stepper motor you can get problems with the arms.
All other parts is from MK8 extruder. Look : http://www.thingiverse.com/thing: