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Tan C, et al.

           table 1. Summary of key advantages and limitations of food printers.

              Food Printer                     Key advantage                  Key limitation
              Procusini 3.0 Dual               Easy cartridge refilling, magnetic bed  Low capacity
              Choc Creator V2.0 Plus           Wireless on-board interface    Only prints chocolate
              Ultimaker 2+ and Discov3ry 2.0   Dual-feed mixing               Extruder housed in external enclosure
              Foodini                          Independent temperature control  Time consuming to change material
              F3D                              Cooking lamp                   Printing has to pause when cooking
              Fab@Home Model 3.0               Modular                        Open-source, IP not protected
              Sanna                            Robot Arm                      Small printing area
              F5                               High capacity storage tank     Prints only 1 material at a time
              QiaoKe                           Continuous operation           Only prints chocolate
              BeeHex Printer                   Self-cleaning                  Complexity of cleaning system
              PancakeBot 2.0                   Non-drip                       Prints only 1 material at a time
              The 3D Everything Concept Printer  Non-clogging nozzle          Concept, no public example in use yet
              Barilla Pasta Printer            Simple ingredients             Only prints pasta
              Zmorph 2.0 VX and Thick paste extruder  Layer correction        No heating


           4. conclusion                                       References

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           Conflict Of Interest                                6.   Werbaneth K, Shum J, Deane S, et al., 2018, Reducing
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