It's a prusa 3d printer doing mesh calibration, which is performed once before each print,. In this case it's testing 49 on the print bed, instead of the default 9.
Motor servo 3d printer 3d cutter industrial robot machine mechanical robotic factory. Recording of various movements with contact mic on the cutting head.
Motor servo 3d printer 3d cutter industrial robot machine mechanical robotic factory acoustic. Recording of various movements with of 3d cutter with hand held recorder.
Old epson printer has this ink-check procedure if one of cartridges is missing. The head goes back and forth while integrated circuits inside are testing cartridge response. I couldn't let this one go.