Prusa i3 Compact Extraptor

___17 Aug 2013__ I decided to start from scratch and create a more concise compact extruder with better mounting, and which has the SCAD centered on the point where the gears pinch the filament, so it can be customized more easily. Check it out at http://www.thingiverse.com/thing:135368 for comparison._

I started with the Compact Extruder modified by http://www.thingiverse.com/misan for the 2engineers.com 50:1 Geared Stepper Motor (42BYG48HJ50). I then made the following additions:

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