OMG. This is just Amazing. I noticed that at the Continues sets in Kirk's quarters, the screen between the two sub-rooms was a flat sheet with holes drilled out.
This at first seemed a little disappointing, until I thought about how much work would be involved in scratch-building it, and realized that would have been crazy. Presumably the original screen was some kind of found source of industrial grating, like the red hex grids, but that simply hasn't yet been found.
I can't believe STNV is taking the time to scratch-build it. I really look forward to seeing the set. The McCoy office and overall Sickbay complex is one of my favorite parts of the TOS sets.