Prusa i3 Top Mount Filament Guide

So let's say you have a Prusa i3, and you've decided to use the cool Alunar Prusa i3 (A8) Frame Mounted Spool Holder designed, and shared by doctriam. Now how do you guide the filament into your Bowden extruder? Here's the answer.

This is a very simple build; no supports or raft needed.

I added triangular cut outs so that it matches doctriams design, plus reduces the amount of filament needed to print.

Top Mount Spool Holders: http://www.thingiverse.com/thing:1752018