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. The CNC Router frame is made from aluminum, is very rigid and has a 2 ...
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 optimizes most of the build process into tasks manageable by the average ...