... distance from the laser head to put thick material. 4. The laser head is retractable depends on different thickness. Applicable materialacryl ... . The machine is designed for large size marbles, stones, granites, gravestones, tombstones and so on.2. Adopt consolidated flatbed, ... , fabric, paper, cloth, dual-color boards, and so on. samples for cnc laser cutting machine laser engraving machine CYJ1290 ...