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Several 3D printing modalities discussed in this article with examples of the resulting scaffolds. The stereolithography printed scaffold is PEG-DA, and the FDM printed scaffold is poly-lactic acid. 3D, three dimensional; FDM, fused-deposition modeling; PEG-DA, poly(ethylene glycol) diacrylate. Color images available online at www.liebertpub.com/teb
