FIGURE 6.

A developed low‐cost hand‐held bioprinter and a unique bioink: (a) A schematic of the hand‐held bioprinter's design. (b) An exploded schematic depiction of the hand‐held bioprinter's components and assembly. (c) Schematic diagram demonstrating the notion of combining a pore‐forming bioink formulation with a low‐cost, open‐source, and ergonomic hand‐held bioprinter for in situ wound dressing. (d) A schematic depicting the design of the hand‐held bioprinter's controlling system. (e) Using pore‐forming bioink colored in various hues, hand‐held bioprinting of a Harvard logo. (f, g) Pore‐forming hydrogel patterns hand‐printed on ex vivo pig skins with artificial wound forms. Source: All pictures were reprinted with permission from reference 40