Fig. 2
From: Emerging 3D bioprinting applications in plastic surgery
Schematic Diagram of New 3D Biological Printing Strategy. A Schematic diagram of the classical embedded bioprinting strategy [57]. B Schematic diagram of the microfluidic bioprinting strategy. (i) microfluidic print head with pneumatic valve, (ii) &(iii) coaxial flow focused extruder [59]. C Schematic diagram of the classical volumetric bioprinting strategy [62]. Reprinted with permission from Ref. [57, 59, 62]