· CNC 3018 Router Machine: CNC 3018 Prover is an upgraded version of 3018 CNC. We provide a detailed user manual, assembly instructions, and installation video for your convenience. Assemble the engraver machine according to the installation instructions. You can enjoy the delight of engraving plastics, soft aluminum, acrylics, PVC, PCB, and many more. This product does not include a laser head and can be purchased by yourself. · Large Working Area: The effective engraving area of this engraving machine is 11.8(X) x 7.1(Y) x 1.8(Z) inches. Three refined axes are designed to achieve plane engraving. With the knob, the axes can be moved manually, which facilitates the carving tool settings. The driving units consist of stainless steel screw rods. It uses double copper nuts to clear round trip errors.