Advancing Humanitarian Aid Through Additive Manufacturing: Innovations, Applications, and Future Prospects

Additive manufacturing (AM) transforms humanitarian aid by enabling decentralized, rapid, and cost-effective production of essential tools, medical devices, and infrastructure. In this paper various AM applications are explored, including medical solutions such as personalized orthoses, surgical planning models, and 3D-printed prosthetics that allow for better medical accessibility in remote and underserved regions. Additionally, AM can be used in disaster response through quick-deploy shelters, off-grid 3D printers, and mobile makerspaces, making for easier localized manufacturing in crisis zones. Integrating AM with search-and-rescue technologies, such as drone-rover systems and Volatile Organic Components (VOC) sensors, improves emergency response capabilities. Advances in materials, including plant-derived compounds for FDM and concrete 3D printing, expand the sustainability and effectiveness of these solutions. Despite significant progress, challenges such as material limitations and application, regulatory constraints, and infrastructure gaps remain. This paper advocates for continued research, cross-sector collaboration, and proper characterisation to maximize AM’s potential in humanitarian efforts. By further developing these technofogies, AM can foster resilience, sustainability, and efficiency in global crisis response and healthcare solutions.