Microstereolithography-Based Fabrication of Anatomically Shaped Beta-Tricalcium Phosphate Scaffolds for Bone Tissue Engineering

Figure 2

The design of negative mold for the scaffolds without and with cortical bone structure. (a) The external shape according to the anatomical contour of the femoral segment and (b) the design of the internal strut networks, which have the inverse morphology of the channels in the scaffolds; (c) and (d) show the section view of the designed negative mold without and with cortical structure design, respectively. A gap of 0.5 mm between outer shell and lattice is set to introduce a cortical bone-like structure.

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