... engrave, letters cut etc. 3d cnc router: Application: 1. Advertising industry: cutting/engraving/drilling/photo engraving on wood, MDF, bamboo, plastic, ... etc.3. Furniture making: wood door cutting, wood door artwork engraving, wave boards making, 3d photo engraving, small or large ... , wood and ink storage materials and so on.Note: There are also some other industries application of cnc router machines ...