... tombstone, marble granite materials engraving, with small power co2 laser tube, can engrave very beautiful and delicate design on ... to engrave heavy stone materials.Product Overviews:DW1290 marble laser engraving machine is developed for heavy materials. It ... DST, DXF, AI,CDR Software supported CorelDraw, PhotoShop, AutoCAD Laser Output Control 1-100% software setting Highest Scanning Precision 2500DPI ...