1,free technology for CNC Router Machine 2,it is good for engraving tombstone big letters with V-shape bottom 3 ... .3. Cutting, clearing bottom, drilling, 2D, 3D carvingMaterial applied for:Glass, ceramics, silicon slice, crystal, granite, marble, malmstone and ... , JDPaint engraving softwares. (3) We can provide best NCstudio parameters for Different Stone , Marble , Granite, Glass, Tombs, Ceramic tile, ...