Please know that I am not affiliated with this project. As soon as I saw it I thought… Zbrush!
https://www.indiegogo.com/projects/touchjet-pond-turn-any-surface-into-a-touchscreen#/
About 2/3 of the way down the page is a design to under-mount the project for an interactive table top. That’s really where I see the possibility. I’m not sure that their light pen is pressure sensitive which could throw that whole idea out the window. I wonder what it would take to add that technology to their pen?