Figure 3. 3D Printing of different structures and shapes using A-SA-Gel hydrogel: (A) 10×10×10 mm (L×W×H) thick scaffold structure; (B) blood vessel structure (12mm in diameter, 15mm in height); (C) the abbreviations of Shanghai University (SHU) and Vellore Institute of Technology (VIT); (D) human ear scaffold structure.