... stone acrylic 5.CE Desktop Metal CNC Router ZK-3030 300*300MM Features1.Mini/desktop/portable machine type, by vibration aging treatment ... simulation.5. Diameter 80mm, gear transmission rotary axis with higher precision for the cylinder processing.6.1.5kw ... layered 3D processing, fast speed, smooth three-dimensional processing, engraving and cutting. 9.Emergency stop button, ensuring the operation ...