i am going to make this mod, probably with new individual entities for, say, 1x2 to 1x6 merged panels. i suspect it would be best to keep them only horizontal, like a widescreen, as the message text of the displays would likely interfer with any vertical panels.

in case anyone else ends up here from google like i did, here's a mod i slapped together:

space connection signals

i have made a mod which adds space connection signal icons for every planet combination, in both directions. supports the addition of modded planets.

https://github.com/lyttelgeek/space-connection-signals/blob/main/space-connection-signals.png?raw=true

edit: whoops forgot the link..
Space ...