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Stereolithography or SLA is one of the most commonly used rapid prototyping and rapid manufacturing technology for creating several parts with excellent surface finish and high accuracy. Stereolithography is a mechanism used to perform Stereolithography Apparatus. SLA creates plastic parts or even objects a layer by marking out a laser beam on the surface of the liquid photopolymer. This category of substances initially developed for packaging and printing industry, solidifies quickly wherever the laser beam hits. As one layer is being entirely marked out it lowers a small distance into the vat of the liquid photopolymer and a subsequent layer is marked out exactly on the top of the first layer.
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