fig5

Figure 5. Schematic overview of the light- and ink-based 3D printing techniques. (A) DIW printing^[22,27]; (B) FDM printing^[22,27]; (C) DLP printing^[23,27]; (D) SLA printing^[25,27]; (E) Inkjet printing^[26,27]. DIW: Direct ink writing; FDM: fused deposition modeling; DLP: digital light processing; SLA: selective laser sintering.