The evolution of thermoplastic materials has played a critical role in advancing high-speed Fused Filament Fabrication (FFF) and Fused Deposition Modeling (FDM) 3D printing technologies. This video explores the performance and challenges associated with next-generation thermoplastics specifically designed for high-speed printing, such as high-speed PLA, ABS, and PETG, in comparison to conventional materials. A systematic analysis was conducted to evaluate the key parameters, including the mechanical properties, layer adhesion, surface finish, and dimensional accuracy, under varying high-speed printing conditions. The results reveal that high-speed thermoplastics, when coupled with advanced hardware and optimized motion control systems, achieve up to a 70% reduction in printing time without significant trade-offs in mechanical integrity or precision. Additionally, the video identifies challenges, such as increased thermal stresses, warping, and the need for precise cooling strategies, which can impact material performance at elevated speeds. Opportunities for future development are also discussed, including the design of novel polymer formulations and hardware innovations to further enhance the reliability and scalability of high-speed FFF/FDM printing. This video underscores the potential of adopting such advanced thermoplastic materials in the high-speed 3D printing era and highlights the critical interplay between material science and hardware engineering for achieving next-generation manufacturing capabilities.