new construction of wade extruder for prusa mendel

optimized wades extruder for prusa mendel i2
!!! please have a look at: https://www.youtube.com/watch?v=kPI9m1yDlKo => you can see the function and the details much better of the extruder on youtube!!!

some guys printed it...
here is a youtube-video of TRENDi77AR: https://www.youtube.com/watch?v=msGOUVQe9Mw

You can find a complete step-assembly on grabcad:
https://grabcad.com/library/new-construction-of-wade-extruder-1