Fig. 3From: Recent advances in 3D printable conductive hydrogel inks for neural engineeringSchematic of 3D printing techniques to fabricate conductive hydrogels. a Viscoelastic-dependent printing of conductive hydrogel ink containing conductive particles or conductive polymers (inkjet or extrusion). b Static-state printing via photopolymerization of conductive hydrogel ink (DLP or SLA)Back to article page