cOssel Bowden Extruder - Geared Stepper - v2

Detailed description/instructions: http://cdaringe.net/cossel-bowden-extruder-v2/

A bowden-type extruder designed as a drop in replacement for other popular bowden designs, such as [Airtripper](http://www.thingiverse.com/Airtripper)'s [v3](http://www.thingiverse.com/thing:35404) or [bsp](http://www.thingiverse.com/thing:126778), but **tailored specifically for using a geared stepper motor**.

Integrated geared steppers have a different mounting hole pattern than traditional NEMA 17 motors.