[Marius Hornberger] has been busy hacking his “Hammer” CNC router again, and now it sports a much desired feature — an automatic tool-changer. Having wanted one for a while, [Marius] was ...

The CAD design program is first fed into the CAM software application. Then the CAM software calculates the tool paths for the actual manufacturing process. CNC routers have a minimum of 3 axes: X, Y ...