The paper discusses the role of 3D printing technology in safeguarding food security, focusing on the production of portable, accurate, and low-cost sensors for food safety and quality monitoring. It highlights the advantages of 3D printing in terms of cost-effectiveness, accuracy, accessibility, and reproducibility compared to traditional manufacturing methods. The authors explore various applications of 3D printed sensors in agriculture, water security, food processing, and food handling, emphasizing their potential in detecting food pathogens, toxins, and allergens. The paper also delves into the integration of 3D printed sensors with the Internet of Things (IoT) platform and their use in agricultural platforms, such as plant wearables and environmental sensing. Additionally, it discusses the development of soft grippers for food handling and the use of 3D printed devices in food processing. The authors conclude by outlining the future prospects of 3D printing technology in enhancing food security through intelligent farming and processing.The paper discusses the role of 3D printing technology in safeguarding food security, focusing on the production of portable, accurate, and low-cost sensors for food safety and quality monitoring. It highlights the advantages of 3D printing in terms of cost-effectiveness, accuracy, accessibility, and reproducibility compared to traditional manufacturing methods. The authors explore various applications of 3D printed sensors in agriculture, water security, food processing, and food handling, emphasizing their potential in detecting food pathogens, toxins, and allergens. The paper also delves into the integration of 3D printed sensors with the Internet of Things (IoT) platform and their use in agricultural platforms, such as plant wearables and environmental sensing. Additionally, it discusses the development of soft grippers for food handling and the use of 3D printed devices in food processing. The authors conclude by outlining the future prospects of 3D printing technology in enhancing food security through intelligent farming and processing.