World Design

Hey guys,

I am looking for tips and steps towards making a space station.

What programs/software would be needed for making a “space station” and “spare ship”. I am looking to do something along the lines of the TV Show “The 100” and their space station “The Ark”. No I don’t need to make a replica of it, just looking for a starting point in getting me towards designing and building something like that in a game my friend and I as gonna be working on.

Thanks,
Anything helps. <3