E3D versions 5 & 6 Bowden (groovemount) Hot End Mounting Plates for Rostock MAX & Orion

This is for the E3D all-metal hot end from http://e3d-online.com, specifically the Bowden version. (Totally worth the extra money!)

I have also designed part cooling fan ducts specifically to work with this mount, when the hot end is mounted under the effector (not above): http://www.thingiverse.com/thing:487768

**6/7/15:** Version 6 upper and lower now have marginally tighter tolerances. I found that the previous version worked better with some filaments than others, presumably because so