Listen to Pełnia, my new release. 3D printer build: Prusa i3 MK2S Maciej Konieczny / narf · 2017-07-18 More… Robotics series It's alive Prusa i3 MK2S pen plotter Leg test 3D printer build: Prusa i3 MK2S 12 angry servos Quadruped robot movement