DIY filament extruder version 2

This is version 2 of my DIY filament extruder is designed to use milk jugs and outer recycled plastic and turn it into 1.75 mm filament for a 3d printer. To simplify the Constitution I am using a adjustable speed drill to turn my arguer. Do to some material that i can get the design has changed i uploaded a full stl at http://www.thingiverse.com/thing:262732