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3D printing, or additive manufacturing, is the construction of a three-dimensional object from a CAD model or a digital 3D model. The term "3D printing" can refer to a variety of processes in which material is deposited, joined or solidified under computer control to create a three-dimensional object, with material being added together (such as plastics, liquids or powder grains being fused together), typically layer by layer.

3D printing is a very useful industry in nowadays. The are many tipes og 3D-printing (FDM, SLS, SLA, EBM, LOM, MJM), but FDM-type is easier and the most affordable for many ingeners. You need simple 3D printer with program for 3D-modeling and special plastic for printing.

What is 3D printer?

A 3D printer is a device that can create 3D objects under the control of a given program from many types of materials. The most affordable option is to print by gradually applying layers of molten plastic (FDM).

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If you use the 3D printing you can create difficult parts for your projects from plastic or from other matitrials. You can make cases for your electronical projects and many others.

To create real and difficult parts on the 3D printer you should can use some programs for 3D modeling. You can create a 3D form in the program and with special program for 3D-printer you can download the program of your 3D model to a 3D printer and print it. Types of 3D printing.