Airbus buying Aubert & Duval, 3d powders starting up 20212021 will be the year of the 3d printing powder production power up by P. Peter Pascalli.
Those powders, I believe, will be in airplane designs in Airbus planes. They have a few videos on 3d printing parts. That's the leg of the Pyr stool that Ark invest are betting on officially. Very exciting with everything else going on! https://youtu.be/6zFopedAXE4