... CNC Router for StoneApplicable materials :1.Suitable for natural marble, granite, bluestone, sandstone, artifical stone, tombstone, milestone, ceramic ... engraving, bevelling, drilling 2D engraving.2.Such as granite stone can be layered engraving to 3mm3. Marble, ... rilievi, handwriting, ancient calligraphy, abrazine colored drawing, flat carving colored drawing, etc on stone,glass, depth can control ...