How do we do 3d Printing?
3D printers turn digital computer models into solid, physical objects by building them up in a great many very thin layers. To 3D print an object, a digital model first needs to exist in a computer. This may be fashioned by hand using a computer aided design (CAD) application, or some other variety of 3D modeling software. Alternatively, a digital model may be created by scanning a real object with a 3D scanner, or perhaps by taking a scan of something and then tweaking it with software tools.
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