3D printing technology has taken a significant leap forward in 2025. The ability to print with multiple materials simultaneously is transforming how makers, engineers, and enthusiasts approach product design, prototyping, and manufacturing. Modern 3D printers now handle flexible TPU, rigid PLA, and conductive filaments in a single print job, opening new doors for creativity and functionality. 3D printer nozzle printing flexible TPU and rigid PLA in one object How Multi-Materi