bVd Extruder version 1 ( E3D hotend 1,75 or 3 mm)

New version :http://www.thingiverse.com/thing:1609730

I have designed a new extruder for the k8200.
So I can easy mount and de-mount on E3D extruder (1.75 and 3 mm ).
Changing filament Is a lot easier,
because you can see the filament when you put it the guide-hole
and it is easier to bring the bearing back from the hobbed bolt

I re-use almost all the non-printed parts from the original extruder
only some M3 bolts and nuts are new.

the instruction will follow later