The 3040 or 3020 CNC router is a popular Chinese machine used by many hobbyists — and for good reason. A rigid all-aluminum frame, decent stepper motors and pretty good resolution? It’s not a ...

A router is a tool used to hollow out an area in the face of the working sto ck (wood, plastic, other material). Small hand-held routers use a spinning cylindrical blade, similar to a drill bit, to ...