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A flowchart showing the interrelations among various materials, AM techniques, and major 3D printed products to face the COVID-19 pandemic challenges. SLA: Stereolithography, DLP: Digital Light Processing, FDM: Fused Deposition Modelling, SLS: Selective Laser Sintering, MJF: Multi Jet Fusion. For a detailed description of all major AM techniques used in polymeric materials can be found in Stansbury et al. [100].
