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3D printing technologies. (A) Fused deposition modeling (FDM); (B) Directly ink writing (DIW); (C) Stereolithography (SLA); (D) Digital light procession (DLP); (E) Lamination (LOM); (F) Selective laser sintering (SLS) and Selective laser melting (SLM); (G) Photopolymer jetting (Ployjet); (H) Binder jetting(3DP).
