With the steps forward, I made during the months of this year's Hackaday Prize and the deeper insight that I gave into my experimentations, lots of feedback comes in from people being highly interested in my extruder V3. I am proud that Adrian Bowyer, the father of the RepRap movement, which finally gave all tinkerers a 3D factory on their desk, is among those who gave feedbak via Twitter:

TweetTo make my extruder replace filament printing, there is still a lot more to tell about what I have figured out. Previous attempts, using "classic" extruders have failed. I must explain in more detail, what my extruder is different in and why I used the design I am using. The knowledge about the working principles must become more mainstream. Open source doesn't end in publishing CAD files or drawings...