Research Progress and Future Perspectives of 3D Printing Polymer‐Based Materials Whole Life Cycle Frameworks: Material Genetic Design–Intelligent Manufacturing–Recycling

Polymers, as one of the most widely used printing materials, cover the full technological spectrum of 3D printing due to their lightweight nature, tunable mechanical properties, and excellent process adaptability. Polymer additive manufacturing enables rapid prototyping and multifunctional integration of complex structures, demonstrating significant advantages across diverse fields including electronics, energy storage and conversion, biomedicine, construction and infrastructure, aerospace, and automotive manufacturing. This review systematically arranges the latest advancements in technology breakthroughs, material system innovations, application prospects, and sustainable development strategies regarding 3D printing polymer‐based materials, and proposes an artificial‐intelligence‐assisted “material genetic design–intelligent manufacturing–recycling” novel whole life cycle framework, and points out current challenges including the layerwise absence of materials or process databases, while simultaneously emphasizing emerging trends such as high‐end advancement and personalized customization.