News Scientists 3D print titanium fuel tank for space travel — world's first to pass critical durability test

The technology to do this has been around for almost two decades. I am surprised it took this long for someone to get around to doing it - probably because conventional manufacturing is possible in this case and making a big metal 3D printer has a host of details you need to get right to make Ti64 work. It's cool someone finally did it.
 

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