https://phys.org/news/2019-05-lens-technique.html

Might even lead to more complicated, programmable molding.

 

We are approaching the point where the Star Trek Replicator is not so far off, 3D printing is already being used to create lost wax molds,and the resolution is improving all the time. As the number of techniques gets bigger, A prototyping lab gets smaller.Sounds almost counterintuitive.

 

"This novel process" usually means it will never be practical.

 

As with many things, time will tell.