3D systems are cool, but note that creating a proper 3D tradelane is extremely difficult. Modding utilities like System Editor have a bugged 3D support.
Quote:with only a narrow and twisty corridor that leads to an abandoned station controled by robots..
There are two problems. First, a very large minefield is unrealistic. Second, a mine passage like that was already done in several other mods. Third, a simple corridor is very dull and easy (or impossible to pass in anything except for Starflier, because of the size). Maze is more interesting, but, again, it will be very dull to fly slowly and search for the exit in various passages. So maybe a corridor is not worth the effort (it's quite difficult to make such thing).
But if you are sure that you have enough time, do it... I'll surely include this into mod, as it sounds interesting in general. But what equipment will be sold in the final base? Difficult question...
I'd still prefer "normal" systems without anything extreme inside, just logical and interesting to explore, like they are in the original game.