Homemade Small CNC Stone Router Cutting Etching Engraver for Sale Model: S6090C This cnc router engraver is a small cnc stone router for granite marble stone engraving etching. 600*900mm working area, combined with diamond cutter bits, widely used for granite lettering, engraving small letters into marble, wood, plastic, etc. Homemade CNC Stone Machine Applicable Materials: Sandstone, marble, granite, all kinds of artificial stone, glass, stone and other stone type materials. And other MDF, stone panels, planed boards, cork, native stone, PVC, gypsum, color plates, aluminum plate, hibiscus board, plexiglass, acrylic, ABS, light box, light guide, horn, metal, all kinds of hard plastic and so on.