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Three-dimensional (3D) printed cylindrical and interconnected scaffolds from BaTiO3/HA composite prior to debinding and sintering (A, scale bar: 10 mm) and afterward (B, scale bar: 10 mm). The shrinkage of the BaTiO3/HA scaffolds classified into fabrication process (3DP) and sintering, representing the fidelity of the printing process and the impact of thermal post-treatment (C).
