Building a megabase

So i am gonna build a megabase problebly starting next month but rn i am first like grinding recources in my world to be prepared and also thinking and trying to build stuf in a serperate creative world for the base but is anyone interusted in like helping me think of idea for the base, like wall designs, floor, hallways and everything, i am not like saying to build the entire base in creative first but like just little sections for designs