Control is thanks to an Arduino Mega fitted with a RAMPS board, running the Marlin firmware. The plan is to use the machine to test out a variety of CNC machining techniques. It could make for a ...

and generally things that are small enough to make use of their PCBs as a structural component. But an entire CNC machine, soldered together from a few dozen PCBs certainly takes it to the next level.

grbl is stepper motor controller firmware for three-axis cnc machines, intended to run on Arduinos with ... that are too powerful for the normal drivers included on grbl Arduino shields (or integrated ...