Additive manufacturing and 3D printing have come a long way in the past several years. They’re included in some of the most revolutionary technologies of the 21st century. This may surprise you, but it was first invented in the 1980s. In 1981, Hideo Kodama of the Nagoa Municipal Industrial Research Institute invented two additive methods for fabricating three-dimensional plastic models with photo-hardening thermoset polymer, where the UV exposure area is controlled by a mask pattern or a scanning fiber transmitter. Fast forward to today, where we see a plethora of Kickstarter campaigns devoted to crowdfunding personal 3D printing projects …