Birch wood 4mm thick. Oil coated with a rosewood shade.Cut with a cnc milling machine. It's simple. 1.Came up with the idea and design. 2.Draw project in the program. 3.Converted to cnc code 4.Get a timber. 5.Run the milling machine. 6.Paint,glued and that's it. And have a masterpiece. Now you can decorate. Decorate rooms, making them comfortable.