... High Quality! Factory Price! Stone/glass/Marble CNC Engraving Machine with Auto Tool Changer Application Materials :Artificial stone, ... Terrazzo, Limestone, Sandstone, Travertine, Quartzite, Slate, grindstone ,Jade, crystal, plexiglass, aluminum composite panel, aluminum block, copper, wood, MDF ... automatically choose the suitable cutter. 5.Advanced 3D carve budget and stable broken line enables carving ...