In sci.physics Robert Clark wrote:
An article from 2015:

snip old crap

Just saw this:

SPEE3D Puts Supersonic Speed in Metal 3D Printing.
Michael Molitch-Hou posted on July 26, 2017
http://www.engineering.com/3DPrintin...-Printing.aspx

According to the company their method which uses high speed (supersonic)
jets to deposit the metal does not have the resolution of other metals so
they are focusing on applications where that is not required.


Bob Clark

Which means pretty much every part in a car couldn't be printed with this.

--
Jim Pennino