Firm test-fires 3D-printed, fully cryogenic reusable rocket engine — Indian startup leverages SLM printing to create its first working prototype

Tom's Hardware
Aug 18, 2026, 6:00 am84 ptsTrending
It's a safe bet that 3D printer aficionados would definitely own an industrial SLM (Selective Laser Melting) printer if they could, as the creative possibilities granted by them are endless. One such possibility is making actual working rocket engines, as Indian startup Othisis just demonstrated with a…

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