Overall, it seems like a proper grown-up design with a few quirks. Engineer in Wonderland cnc-related blogs are indexed here Power rails are well thought out (see below) and seem well up to the job, ...

grbl is stepper motor controller firmware for three-axis cnc machines, intended to run on Arduinos with a motor driver add-on board. Engineer in Wonderland cnc-related blogs are indexed here It is the ...

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.

That philosophy is shining brightly in [Ivan Miranda] CNC milling machine project, which has been used to upgrade its aluminum and 3D printed frame components to steel.