3D printing of food takes the form of extruding purees through nozzles that consider the viscosity of the original feedstock, and printing it in additive layers, the end result is often dried or baked into a biscuit form. The article takes a look at how this technology is being applied in different fields, space exploration, food production industry and the restaurant industry. The following topics are dealt with: food technology, food products, three-dimensional printing, printers, space research, catering industry and tissue engineering.