[dnewcome]

The authors mention the possibility of holographic curing of multiple simultaneous layers. That seems significant although they haven't demonstrated it here.

[jjk166]

Holographic curing is already a thing, and the technology displayed here neither enables nor improves it.

https://hackaday.com/2023/04/09/holograms-the-future-of-spee...

https://techcrunch.com/2017/12/08/holography-based-3d-printi...