2 Royalty-Free Audio Tracks for "Stepper Motor"

Epson stylus color 440 printerrecorded in 2013 with an iphone 4converted from aac to flac with audacity.

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.