what on earth is 3D Printing

What is 3D Printing?
3D printing, also known as Additive Manufacturing, refers to processes used to synthesize a 3D (three-dimensional) object in which successive layers of material are formed under computer control to create an object. Objects can be of almost any shape or geometry and are produced using digital model data from a 3D model or another electronic data source such as an Additive Manufacturing File (AMF) file.

How does 3D Printing work?
It works just like any other inkjet printer - with the only difference that instead of Ink, it deposits the desired material in successive layers - thus creating a desired physical object.

What can be 3D printed?
Almost everything - Houses, Cars, Food, Dresses, Toys, Body parts/organs, Jewelry

What's the History of 3D printing?
In 1984, Chuck Hull of 3D Systems Corporation developed the 1st Stereolithography Apparatus. Stereolithography - also called Optical fabrication or Photo solidification or Resin printing - is a form of 3D printing technology used for creating models, prototypes, patterns, and production parts in a layer by layer fashion using Photopolymerization (a process by which light causes chains of molecules to link together, forming polymers). In 1986 Charles Hull was awarded a Patent for his SLA. In 1992, 1st SLA machine was developed by 3D Systems Corporation.

What is the history of Organ printing?
Organ printing is also called Bio printing, or Body part printing, or Computer-aided tissue engineering. It happened for the 1st time in 1999 when a 3D-printed synthetic bladder was produced. In 2002 a fully-functional 3D-printed synthetic kidney was produced. In 2008, a 3D-printed synthetic leg was produced and a person walked using it. In 2009, a 3D-printed synthetic blood vessel was produced by Organovo. In 2012, a 3D-printed synthetic jaw was produced.

Resent advances:
In 2008, Shapeways, launched a Print-on-Demand service.
In 2014, Amazon lunched its 3D printing marketplace.
In 2015, Google acquired Carbon3D

What can we expect 3D printing doing by 2030?
1. The price of the cheapest 3D printer has already come down from $18k to $400 within last 10 years.It will become far-more cheaper & it will thus become affordable - Each household will have a 3D-printer.
2. Houses will be built-on-demand - China already 3D-printed 10 houses in 1 Day.
3. 10%-20% of everything will be 3D-printed - Already many shoe-manufacturers have started making 3D-printed shoes. Spare airplane parts are already 3D printed in some airports. Some space stations have a 3D printer that eliminates the need for the large amount of spare parts they used to have in the past.
4. Smartphones will have 3D scanning feature - you will be able to 3D-scan your feet, and print your perfect shoe at home.
5. 3D printed jaws & skulls have been implanted successfully till now. 3D-printed Livers will be implanted soon.

3DP Adoption Curves

Important videos on this topic:






Sources:
http://www.engineering.com/Portals/0/BlogFiles/3D%20Printing/0913/hist3d.jpg
http://3dmasterminds.com/wp-content/uploads/2015/12/3d_Printing.jpg
https://en.wikipedia.org/wiki/3D_printing
https://s-media-cache-ak0.pinimg.com/originals/72/27/b9/7227b940febac728b7432c9cfd59fde1.jpg
http://explainingthefuture.com/3dprinting.html

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