Filament feeder for Wanhao Duplicator i3, Cocoon Create, and Maker Select

A filament feeder for the Di3 series of printers that have already been modified with my Z Extensions.
http://www.thingiverse.com/thing:1444979

Uses:
3 x M3 Nyloc Nut
1 x M3 x hex socket headed cap screw, 10mm long
2 x M3 x 6mm screws (head doesn't matter)
washers to fit.
PTFE/Teflon tubing with 2mm I.D. and 3-4mm OD

Print the parts with support, although you might not really need it.

3 walls, 50% infill, your favourite plastic.

Clear up any support material and zits.

Pre-dr