History
The first 3D printer was invented in the mid 1980s by Charles W Hull, which used stereolithography. He later founded a company in 1986 called 3D systems, a company that continues to sell 3D printers to this day.....
Processes
This is the first type of 3D printing that has been invented. This process uses photopolymerization, which uses a laser to make molecules link to form a polymer. While it is very useful for creating a prototype within a few......