Fig. 5
From: Compatible composites filaments based on PHB/starch for 3d printing via fused deposition modeling
Microscope image of the 3D-printed scaffold of PHB/GUM 5 composition. SEM Images (a) provides a broader view of the scaffold's interconnected filaments. (b) shows a closer look at the filament junctions, emphasizing the smooth bonding between layers. (c) reveals the filament surface texture at a higher magnification, and (d) shows fine details of surface porosity, which may contribute to potential biomedical applications by facilitating cell attachment and fluid permeability