Kossel Pro Spool Mount Adapter v2

This is a spool mount adapter for the Kossel Pro. It attaches to an aluminum 1515 OpenBeam extrusion using two M3 x 6mm BHCS (or the longer M3 x 8mm SHCS) that are included in the Kossel Pro kit.

Version two of the [original spool mount adapter](http://www.thingiverse.com/thing:642171) adds two more mounting styles/orientations for different cold end positions (keeping the upright orientation, and adding two different side orientations).

Being just an mountable adapter, you'll need com