The representative use of 3D printing techniques in medicine has been applied to the use of robotic exoskeletons based on the principles of private motor learning, which is greatly beneficial for generating private space for the rehabilitation of a patient, a critical part of patient rehabilitation. In the past, it mainly produced expensive equipment such as automobiles, aviation, and medical care, owing to the advantages of high-speed production, and has recently expanded the scope of application of technology. It is a technology that produces three-dimensional objects using stacked layers using a computer model program and was invented to produce a complex structure of high polymer materials. Three-dimensional printing technology was invented in 1986 by Chuck Hull in the USA. Three-dimensional printing technology is a technology created by stacking plastic in three dimensions and is known as additive manufacturing or rapid prototyping, whereby products are built on a layer-by-layer basis through a series of cross-sectional slices. Among the personalized production process technologies required in this era, 3D printing technologies are increasingly being highlighted. In the post-corona era, called the new normal era, the era of the Fourth Industrial Revolution is approaching much faster. The product development and service industry is increasing to meet personal needs as COVID-19 has made social distancing a mandatory practice. In this review, the current industrial status of 3D food printing technology was investigated with suggestions for the improvement of the food 3D printing market in the new normal era. Compared to other 3D printing industries, food 3D printing technology has a relatively small overall 3D printing utilization and industry size because of problems such as insufficient institutionalization and limitation of standardized food materials for 3D food printing. Three-dimensional food printing technology is expected to become a new trend in the new normal era after COVID-19. There are various cases using 3D food printing technology in various parts of the world. Many people are unaware of the utilization of the 3D food printing technology industry as it is in its early stages. Currently, many countries worldwide produce various 3D food printers, developing special foods such as combat food, space food, restaurants, floating food, and elderly food. Three-dimensional food printing technology can be applied to various food ranges based on the advantages of designing existing food to suit one’s taste and purpose. Recently, the 3D food printer global market has shown a high annual growth rate and is a huge industry of approximately one billion dollars. Three-dimensional printing technology has been utilized across various fields such as environmental fields, medical systems, and military materials. Owing to COVID-19, the world has advanced faster in the era of the Fourth Industrial Revolution, along with the 3D printing technology that has achieved innovation in personalized manufacturing.
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