Yeah to be honest this wouldn't be a half bad I dead. The only problem with making something like this is a couple reasons.
1) It's fucking huge
2) The amount of time it would take to make it would be immaculate
3) Paulisdead18 is correct. It would end up not even fitting the grid if you tried.
4) If you were to compress it to fit the grid it would look so mindfucked nobody would use it
That is for underground that is c:
I Already put that we should only put the inside. The fact that we can make maps like big city and flat grass so big makes me wonder why we can't do the interior of the bunker/base. We have already excluded the exterior for space issues.