Figure 1:

a) Various configurations for coaxial bioprinting. a) The method wherein the bioink is the core encapsulated by a shell crosslinker and b) a configuration enabling the deposition of hollow fibers. Adapted with permission from [15]. c) A triple nozzle coaxial setup for fabrication of dual-shell constructs enabling better mimicry of native blood vessels. Adapted with permission from [20]. d) Configuration whereby deposition of multi-material fibers is possible. Adapted with permission from reference [13] e) A configuration allowing for creation of fibers with multiple channels. Adapted with permission from [21] .