There’s still quite a bit of machining that goes into a CNC mill build of this size. But using 80/20 brand extruded rail ... Two of them drive the X axis with the third moving the cutter ...

Low cost 3D printers have come a long way in the last few years, but have entry-level CNC machines ... like a Z-axis probe and end stops. If you add those items to the cut-rate 3018 machines ...

Workholding for Multi-Axis CNC Machines provides an overview of common workholding devices and adapters for multi-axis CNC machines. Multi-axis machines have a greater range of motion and more cutting ...