There are many different technologies for 3D printing. What makes them different is that they are created in different layers using the available materials.
　　In 1986, American scientist Charles Hull developed the first commercial 3D printer.
　　In 1993, MIT obtained a patent for 3D printing technology.
　　In 1995, ZCorp Corporation of the United States obtained the only authorization from MIT and began to develop 3D printers.
　　In 2005, the first high-resolution color 3D printer, the Spectrum Z510, was successfully developed by ZCorp.
　　In November 2010, the American Jim Kor team created the world's first automobile Urbee printed by a 3D printer.
　　On June 6, 2011, the world’s first 3D printed bikini was released.
　　In July 2011, British researchers developed the world's first 3D chocolate printer.
　　In August 2011, engineers from the University of Southampton developed the world’s first 3D printed aircraft.
　　In November 2012, Scottish scientists used human cells for the first time to print artificial liver tissue using a 3D printer.
　　In October 2013, the world’s first successful auction of a 3D printed artwork titled “The God of ONO”.
　　In November 2013, Solid Concepts, a 3D printing company based in Austin, Texas, designed and manufactured a 3D printed metal pistol.