Figure 1.

(a,b) Specific features of the 3D-printed mold designed by computer-aided design (CAD) software; (insert in b) representative image of scaffolds gross appearance; (c,d) representative scaffolds ultrastructure by scanning electron microscopy. Scale bars: (a) 2 cm; (b) 2 mm; (c) 500 µm; (d) 1 µm.