Well, I just found out we have a “seldom used” ultra-short-throw projector that I might be able to borrow. It’s on an old Promethean smart-board. A UST-P1.

https://www.projectorcentral.com/Promethean-UST-P1.htm

Would it be easier or harder to make that work vs. a standard-throw Epson W39?

-Farren