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3D printing is a process used to synthesize a three-dimensional object. In 3D printing, successive layers of material are formed under computer control to create an object.
There are a few types of 3D printing:
–Extrusion
-Light polymerized
-Powder Bed
-Laminated
-Wire
3D printers are used for fabricating different kinds of details, small and big, by companies. Some people use it at home for making necessary things fast and cheap. For medicine needs 3D printers producing implants and pills, so people with disabilities can life their lives fully and unlimited. Moreover, organs and body parts can be printed as well. That is vitally important because people were dying from a shortage of those and now it can be printed in a few minutes. Also, it is used for weapon and food manufacturing. Since 2014 started 3D building of different constructions. Now a house can be built in 24 hours.
References:
Pearce, Joshua M.; et al. (2010). “3-D Printing of Open Source Appropriate Technologies for Self-Directed Sustainable Development”. Journal of Sustainable Development.
“Objet Connex 3D Printers”. Objet Printer Solutions. Retrieved 2012-01-31.
Amberlee S. Haselhuhn, Eli J. Gooding, Alexandra G. Glover, Gerald C. Anzalone, Bas Wijnen, Paul G. Sanders, Joshua M. Pearce. (2014). “Substrate Release Mechanisms for Gas Metal Arc 3-D Aluminum Metal Printing”. 3D Printing and Additive Manufacturing