Getting closer to ‘desktop factory’ all the time.
Printing ‘small’ parts at high resolution.
From the picture, it looks like that connects to a computer through a standard [old style] serial cable [not USB]
The video says he built if for about 1500 € [in parts?], at todays conversion, that would be just over $2000 Canadian. He said it has the capabilities of a 60000 € commercial printer [$81100] !!