OBSOLETE: Geared extruder with bsp fitting for flexible filament

OBSOLETE! Superseded by this thing: http://www.thingiverse.com/thing:933829


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This is the cross-mix of the Geared Extruder by terenceang (http://www.thingiverse.com/thing:456095) and my own direct drive extruder (http://www.thingiverse.com/thing:859583, which is in turn a derivative from well-known Airtripper BSP v3 extruder: http://www.thingiverse.com/thing:126778).

Update (June 08, 2015): Made wider holes for Allen bolt heads, uploaded DS Mechanical source file for the extruder, enj