The last 40 years have seen the industrial woodworking machine redefined. As late as the 1970s, most high-grade wood cutting machines were floor-standing models that operated through a combination of automated mechanics and human manipulation. Concerning the router, these machines (e.g. plunge router) are still in use today. But they are not the routers that most woodworkers prefer. Most woodworkers prefer Computer Numerically Controlled (CNC) routers, whose cutter heads are operated by a programmable computer....