Prusa i3 E3D Titan mount and fan duct

This is an mount and fan duct for the E3D Titan extruder and its' included 5015 blower fan and a V6 hotend. This was made for the Prusa i3 Titan + V6 upgrade kit from E3D. Other hotends than V6 may be too long or short to properly align with the fan vent exhaust (haven't checked). It should fit all i3-based printer models with the regular i3 X-axis.


It is a remix of the [left handed design by GarzaDB](http://www.thingiverse.com/thing:1688224);

The carriage part has a few changes;
- Remo