And then it hit me like a slippery fish...

One of the things that's been giving me trouble is the curved corridors, namely how I'd get it all to line up, turns out it was far simpler than I thought, just a case of the clipping tool, and a bit of patience. So yeah, that's that problem solved. I'll almost definitely sharpen up the curve as it's way to shallow as it is, but as a proof of concept, it works fine, here's what I have...

(Oh, a bit more texturing for the transporter too).

Lewis.