Piper 4 or Piper Infinity is an infinite Z 3d printer planned to be released in June of 2019. It is currently in beta testing. was released in June of 2019 check https://www.thingiverse.com/thing:3711685. .The unique design is based on Piper 2 gantry, which is placed 45 degrees to the belt and angled extruder 67.5 degrees … Continue reading Piper Infinity