Modifying a stepper motor by drilling a hole down its shaft probably qualifies for the satisfying mod of the year award. That’s what [Russ] did to make needed improvements to his CNC flat-coil ...
This robotic tufting system by [Owen Trueblood] is of the slow and arbitrary type. It will consist of a modified tufting gun strapped to a robot arm for CNC textile ... The gun’s motor driver ...