... motor,linear guide Marble stone laser engraving machine HR-6040 Applicable materials: Acrylic, crystal, glass, ceramic, marble, granite, ... , and the paper product.Technical parameter Small laser engraving machineHR-6040Laser type : CO2 laser-glass laser, ... down worktable, USB Port, Red light pointer, AutofocusApplicable materialAcrylic, crystal, glass, ceramic, marble, metal coating, cloth, fabric, ...