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Fused deposition modeling (FDM) is the process that is typically thought of when 3D printing is mentioned. The process itself was invented by Scott Crump, co-founder of Stratasys. The technology was patented and commercialized by Stratasys who holds many early intellectual property on the process [1-4]. As an additive process, it consists of depositing thin layers of material onto a heated bed. Material is continuously fed into a heated nozzle for melting at predetermined temperatures that depend on the material that is being deposited. The most popular materials being acrylonitrile butadiene styrene (ABS) and polylactic acid (PLA). Upon the expiration of Stratasys’ final patent the technology began to be developed further leading to novelideas and implementations.
