I decided to add couple more shots from angles that are not presented well on the previous posts.

Testing the screens after the initial assembly. Also for size comparison. 5x23'' at ~10 megapixels (~76'' diagonal) vs 3x9.7'' at ~ 9.5 megapixels (~20'' diagonal)

The PCB's ended up installed in a bit inconvinient position so the ribbon cable is in a bad way but it works.

That is the VESA stand in action. It has almost a meter of reach with the additional arm segments, however, I'm not using that much atm because of sitting now at more convinient distance from it.