A 3D printer is a computer output device that can make solid copies of objects from computer drawings. There are a number of different types. All of these work in different ways. Some use powder. Some use liquid plastic. They all make the object by building it up layer by layer.
In some industries these printers are called rapid protoyping machines
[change]Uses
- Car makers use 3D printers to try out new shapes for door handles etc.
- Designers use 3D printers to try new shapes for mobile phones, MP3 players etc.
- Artists can create new sculptures
- Jewelry designers can try out new ideas and make molds for rings
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