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. 2023 Mar 14;29(3):85–94. doi: 10.1089/ten.tec.2022.0214

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Copyright 2023, Mary Ann Liebert, Inc., publishers

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FIG. 3. — 3D bioprinting in FRESH for single filament printing resolution assessment and construct fidelity testing. (a, b) Allevi 3 Bioprinter used for construct printing. (c) Single filament construct printed using the commercial FRESH and (d) optimized FRESH taken under microscopy using phase contrast. Scale bar (c, d) = 1 mm. (e) Printed “S” construct using the commercial FRESH and (f) optimized FRESH before cross-linking. Photo taken from bottom of well for better visualization of construct. (g) Printed construct using the commercial FRESH and (h) optimized FRESH 24 h after cross-linking. Photo taken from top of well. Scale bar (e–h) = 5 mm.