Professional used on the laser machine, to engrave cylinder objects such as cup,brush pen, brush ... -G1290, YH-G1490, YH-G1612, YH-G1616.4. Small rotary device is used for YH-G5030Applicable materials:Wood, paper, leather, cloth ... , ornament, prizes engraving.4. Leather and garment: leather, leatheroid, garment embroidery and sampling5. Others: sample, marking, model-making, surface drawing, decoration ...