3D Printers have ... t up for a full machine build. He had previously built a CNC Router and decided it was best to add a hot end and extruder to the already built 3 axis frame.

One of the original ideas behind the RepRap project was for the machines to create their own upgrades. That philosophy is shining brightly in [Ivan Miranda] CNC ... Z-axis. Some of the 3D printed ...

At a glance, you might mistake it for a machine ... Unlike a 3D printer, a misconfigured GCODE file can cause a CNC router to cut straight into the jaws of your $499 4th-axis module.