Mendel X carriage upper (parametric) for Bfb hot-end

This is a modification of the parametric carriage upper for mendel. It was modified so a BfB Hot-end will fit into it.

This part will mate with: http://www.thingiverse.com/thing:3017
For a fitting extruder look at: http://www.thingiverse.com/thing:3015

You can also find more info on this on:
http://ifeelbeta.de/index.php/production/wades-extruder-with-bfb-hot-end