... on the laser machine, to engrave cylinder objects such as cup,brush pen, brush pot etc. Parameters ModelBig Rotary DeviceSmall Rotary DeviceMin ... YH-G1290, YH-G1490, YH-G1612, YH-G1616.4. Small rotary device is used for YH-G5030Applicable materials:Wood, paper, leather ... . Free lifetime upgrading of self-developed English software.Samples Laser Machine Auxiliary Rotary Device for cylinder objects