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The first working 3D printer was created in 1984 by Chuck Hull of 3D Systems Corp. The 3D printing technology was applied first to prototyping (starting in the 1980s), creating rapid prototyping. Its expansion into production (job production, mass production, and distributed manufacturing) was foreseen at that time and took several decades to develop. Production roles achieved significant scale for the first time in the early 2010s. Since the start of the 21st century there has been a large growth in the sales of AM machines, and their price has dropped substantially Applications are many, including architecture, construction (AEC), industrial design, automotive, aerospace, military, engineering, dental and medical industries, biotech (human tissue replacement), fashion, footwear, jewelry, eyewear, education, geographic information systems, food, and many other fields. CAD software has taken large steps as well