how does 3d printer works
But a growing array of 3D printing machines has already begun to revolutionize the business of making things in the real world. 3D printers work by following a computer's digital instructions to print an object using materials such as plastic, ceramics and metal.The printing process involves building up an object one layer at a time until it's complete.ut a growing array of 3D printing machines has already begun to revolutionize the business of making things in the real world. 3D printers work by following a computer's digital instructions to print an object using materials such as plastic, ceramics and metal.