3D fabricating technologies have been available since the late 1980s and have primarily been used in the field of prototyping for industrial design. More recently, the 3D printing quality has increased, and printer and supply costs have decreased to a level that broadens the appeal of 3D printing to a wider range of businesses, schools and consumers. Additive 3D printers deposit resin, plastic or another material, layer by layer, to build up a physical model. Inkjet 3D printers image successive layers of plastic powder, hardening each layer on contact, to build up the piece. The size of the part varies with the specific manufacturer’s printer and whether support structures are required.
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