3D printing is changing the way we manufacture everyday objects

 3D printing technology is changing the way we manufacture everything from toys and clothes to human tissue.


The process of printing a three-dimensional object is known as additive manufacturing. A computer program tells the printer where to apply thin layers of materials to build a solid object.  


3D printing technology dates to the early 1980s, when Japanese inventor Hideo Kodama used UV light to harden plastics to create an object using this additive technology.


Years later, American Scott Crump developed the most common type of 3D printing today, known as fused deposition modeling (or FDM), where thermoplastic is heated to a liquid and then applied layer by layer. This is what's most commonly seen on workbenches and office desks. 


Charles Hull, the co-founder of 3D Systems, was one of the inventors behind the 3D printing application known as stereolithography, which uses photochemical processes. 

 

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