... engraving machine: bamboo slips, wood, paper,jade, fabric,lether,shell, and the devil beans, signs, badge, in areas Laser Engraver ... optic (11) Rotary attachment(option) Applicable materials:Cutting and engraving: rubber, plastic, organic glass, cloth, leather, wool ... Laser Output: 1-100%software setting8) Smallest Character Engraving Chatacter: English 1x1mm9) Resetting positioning accuracy: ±0.1mm ...