Figure 3: The interconnectivity of the different layers of scaffolds in the Z-direction.
From: Bioprinting three-dimensional cell-laden tissue constructs with controllable degradation

(a) Ten layers with 1.5-mm thickness, (b) 15 layers with 2.25-mm thickness, (c) 20 layers with 3-mm thickness, (d) scaffolds with different layers and thicknesses, (e) general light transmission of the scaffolds.