In this edition of CrAMed, our academic additive manufacturing digest, we bring you the latest literature on metamaterials, 4D printing, regenerative medicine, multimaterial 3D printing and more from leading institutions around the globe. In recent years, 3D printing has helped make important breakthroughs in regenerative medicine and tissue engineering. According to the authors, “The study provides new insights into the possibilities of alginate/gelatin added with TiO2 nanoparticles and β-TCP composite hydrogel 3D printing for tissue regeneration, where further assays are being made to prove cytotoxicity, cell proliferation, and bioactivity of the material.” Hole-free multi-material DLP. At the University of Washington, J. J. Schwartz & A. J. Boydston have shown how multi-material 3D printing is possible with a DLP printer. Multi-material 3D printing using a resin-based machine has been accomplished before, but according to the researchers, previous works had limiting factors. Howon Lee, co-author of the paper and an assistant professor in the Department of Mechanical and Aerospace Engineering, said, “We believe this unprecedented interplay of materials science, mechanics and 3D printing will create a new pathway to a wide range of exciting applications that will improve technology, health, safety and quality of life.” Take a minute to vote for best applications of 3D printing.
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