Mendel90 FLEX filament extruder

This is a remix from Nopheads mendel90 wade extruder. The extruder blok is made for E3D v6.
Use the bowden tube from the E3D, and make it a tight fit at the extruder gears.
Use the same vitamins from the original Nophead extruder.
The file has build in support.

So what does make this extruder special?
The hole depth for the hotend is change (-1mm) to make a better fit with the E3D. The hole diameter for the filament (between the hotend and hobbed bolt) has been resized to fit a 6.5mm bo