cnc machine:used for advertising materials working, like engrave, cut, drill, curve, photo engrave, letters cut etc. 3d cnc router: Application: ... plastic, PVC, acrylic, two colors board, metals, stone etc. 2. Manufacturing industry: engrave, cut, drill, photo engraving on copper, ... to cut materials into different shapes for models making. 6. Stamps making industry: Carving on many different materials ...