Double Heads Laser Cutting Engraving Machine 1.Two heads 2.Double efficiency ... Double Heads Laser Cutting Engraving Machine CM1490Q1:what kind of materials does the machine can cutting or engraving? ... , wood, textiles, card wood,arylic,plastic,two-layer plate,bamboo,leather,cloth,paper,wool,rubber,plexiglass,marble ... (08) 3 Reflect optics (installed in the machine) (09) 1 Focus optics (installed in the ...