I appreciate the responses. Perhaps this will help clarify my end goal. I'm looking for wall sets like this (no floor, no clipping) but with a vague sci-fi/near-future feel.

The above doesn't take up a ton of space, and I could probably print the entire set of walls in a single run. I have a caulk mat for the flooring, so I don't need to print out a bunch of floor. I understand the point of walls that clip together, but once you go down that road it seems that the expectation is that you will also clip on flooring which leaves connection holes that I don't want.
I'm basically looking to set up something like this:

But, you know, sci-fi.... And not covered in skulls and rivets. I'd like the paint-up to be relatively easy. The above could result in an ambitious weekend project that I could expand upon as needed.
This is too busy for my tastes: