Search nexus mods , there are some building mods .I want them to finish the game so we can mod the hell out of it.I think this game will be viable for along time as the mod community is great and look what they did for skyrim.I am certain there will soon be mods to do exactly what you want but remember its the unity engine, good but not unreal 5 engine so dont hope for to much. There is currently a limit to how many objects the engine can hold and display.