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. 2021 Apr 6;11(4):929. doi: 10.3390/nano11040929

Figure 4.

Figure 4

Scaffold design, fabrication, and morphological characterization. (a) 3D modelling (32 mm × 32 mm × 3.2 mm, 0/90° laydown pattern, 330 μm filament diameter, 680 μm filament distance); (b) 3D Discovery material extrusion 3D printer; (c) printing process; (d) fabricated scaffolds (cut to 11 mm × 11 mm × 3.2 mm) (left to right: PCL, PCL/G 5 wt.%, PCL/N-G 5 wt.%); SEM images of top view of scaffolds (e) PCL, (f) PCL/G 5 wt.%, and (g) PCL/N-G 5 wt.%; SEM images of cross-section view of scaffolds (h) PCL, (i) PCL/G 5 wt.%, and (j) PCL/N-G 5 wt.%.