Had to share this

Don't think they can anything too big yet...
https://twitter.com/i/status/1188153318327177218

I've seen that a few other places too. No shots of the boat running in real water.

I like the concept and as a mold making device it could be a significant change in how boat molds or plugs are developed.

Give it time..... Now, printing the engines in situ at the same time is something I want to see....

Cool!!