The main emphasis is on modularity, so the shape of the room is quite simple.
Excellent work! I look forward to seeing more of your progress and the finished piece!
Here is the material of holograms:
This master of the material that is used for most objects:
Models created in blender 2.8 using the weighted normal modifier.
Then all transferred to the blender 2.79 where with the help DecalMachine plugin creates a basis for the texture.
360 panorama and more screenshots on artstation.
Unreal Marketplace Link: Modular Sci Fi Navigation Bridge in Environments - UE Marketplace