I could have just posted this in the Item Suggestions Megathread, but I wanna give this a bit more detail.
What I am suggesting, is some type of table which can project holograms, and those holograms are .obj files (it’s a 3D model file format). Something like this:
Or you can just select some preset things if you have no 3d models to load into it. For example an earth globe, or a dinosaur, human person, tree…
Along with some other little customization options, like opacity of the hologram, how blurry it is, color of the hologram, color of the table…