MakerFarm Prusa i3v Dual Spool Holder with Optional Filament Guide

I've upgraded to Clough42's excellent [Itty Bitty Dual Extruder](http://www.thingiverse.com/thing:566329) and needed space for a second spool. I've had great success using BigBadBison's [Spool Holder Extension](http://www.thingiverse.com/thing:478776) for several months now and expanded on his design to accommodate two rolls.

I've included files for a center post with an integral filament guide, and one without, as well as the extended spindle and base. This design continues to use the origi