It would have been a cool project, even if he used 8020 extrusion like most similar projects. Instead, he used salvaged gear for this: He pulled old stepper m

It would have been a cool project, even if he used 8020 extrusion like most similar projects. Instead, he used salvaged gear for this: He pulled old stepper motors from hard disk drives, and even used an old laptop battery as a power supply. Impressive!