... engrave, cut, drill, curve, photo engrave, letters cut etc. 3d cnc router: Application: 1. Advertising industry: cutting/engraving/drilling/photo engraving ... door cutting, wood door artwork engraving, wave boards making, 3d photo engraving, small or large relief works, cylinder materials ... .Note: There are also some other industries application of cnc router machines, pls confirm with us if you are ...