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Rapid Prototyping is the process to build the physical parts directly from the data the Computer Aided Design (CAD). This process is based on additive manufacturing technique, is a 3d object is created by bonding thin slices of material layer by layer.
Rapid Prototyping and Manufacturing Fundamentals of Stereolithography SLA (Stereolithography) -
SLA is also known as Stereolithography, provides precision parts with excellent surface finish. SLA process works so that the healing liquid photopolymers into solid cross-sections, layer by layer, using the ultra violet laser. The SLA is widely used for conceptual models, master patterns for Silicon, visualization tools and product validation.