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A comment on Porsche found a way to 3D-print lightweight pistons that add more horsepower. Parent comment

Re:Porsche found a way to 3D-print lightweight pistons that ... by smaddox on Monday July 13, 2020 @08:58PM (#23827440)
SpaceX has been using 3D printed rocket nozzles with graded alloy compositions in production for years.
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Re:Porsche found a way to 3D-print lightweight pistons that ... by DarthGhandi on Monday July 13, 2020 @09:55PM (#23827723)
Rocketlab too, additive metal manufacturing is definitely production ready.

There's YouTube channels that get 3d car engine parts printed. This is not just the realm of multinationals.

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