India's ISRO achieved a significant breakthrough by conducting a successful long-duration test of its PS4 rocket engine, redesigned using advanced additive manufacturing (AM) techniques, commonly known as 3D printing. The engine, crafted in Indian industry, demonstrated remarkable efficiency by reducing raw material usage by 97% and production time by 60%. Through Laser Powder Bed Fusion, the engine's parts were consolidated into a single piece, eliminating 19 weld joints.