... 3)Red dot pointor 4)water chill Laser Wooden box engraving machinelaser cutting/engraving machine ,1.Adopt the advanced DSP ... control technology, high precision3.Strong laser beam, non-contact cutting/engraving, avoid scratching or pressing the workpieces. ... DXF, DST, DSB, etc format. Application Materials:Materials: Organic glass, leather, cloth, rubber, plastic, wooden board, paper board and ...