Fig. 9: 3D-printed networks with similar chemical composition to previous hydrogels.

a, c, e Are all based off a model printed with letters imprinted into a rectangular plate while b, d, f are all based off a model printed with letters protruding from a rectangular plate. a, b Are the original 3D models that were printed, c, d are the 3D-printed networks immediately after printing and e, f are the 3D-printed networks after NCA ROP had been performed on them. g ATR-FTIR of a 3D-printed network before and after NCA printing between 3000 and 4000 cm−1.