![]() The technology has become more affordable and accessible, with desktop 3D printers available for as little as one hundred dollars. Since then, 3D printing technology has continued to evolve, with new materials and methods being developed for a variety of applications, from rapid prototyping to medical implants and even food. This was followed by other methods such as selective laser sintering and fused deposition modeling, which used different materials and techniques to create objects. In 1986, Chuck Hull, the co-founder of 3D Systems, invented a process called stereolithography, which used a similar photopolymerization process to create 3D objects. However, Kodama's work was not widely recognized outside of Japan, and it wasn't until the mid-1990s that 3D printing began to gain more attention. Kodama's method used a slicing process to create a series of two-dimensional cross-sections of the object, which were then stacked on top of each other to create a three-dimensional model. In his paper, Kodama proposed a method for creating a 3D object by using a photopolymer that solidified when exposed to UV light. One of the early pioneers of 3D printing was Hideo Kodama, a Japanese researcher who in 1981 published a paper titled "Automatic Method for Fabricating a Three-dimensional Plastic Model with Photo-hardening Polymer". While the first 3D printer was created in the 1980s, it wasn't until the early 2010s that the technology became more accessible and popular. 3D printing, also known as additive manufacturing, is a process that creates three-dimensional objects from digital files by layering material on top of each other.
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