Introduction to 3D printing technology -- 3D printing approaches -- Food components and their role in printability -- Factors affecting the printability of foods -- Printability and techniques -- Natively printable foods -- Pre-processing of non-printable foods -- Alternative ingredients used in food printing -- Post-processing of 3D printed foods -- 4D printing technology -- Applications of food 3D printing technology -- Integrating encapsulation technique with 3D food printing -- Integrating electrohydrodynamic processes with food 3D printing -- Globalization of printed foods and consumer perception to 3D printed foods -- Food industry market trends and consumer preferences -- Safety, challenges, and research needs.