[TML] Ship shapes

[Tom B]

>  Merchants probably aren't worried about minimal surface area; they're
>  likely to be fairly spread out to maximize access area (thus minimizing
>  loading/unloading time). Warships are, because surface area = area that
>  must be armored. As for heat, if you're producing enough heat that you
>  actually need more surface area, you're usually better off buildings two
>  smaller ships.

Long thin ships may well not make optimal armour sense. But they make
good sense from radar cross section from the front or even the side.
Big basketballs give really wonderful active sensor echoes. What is
easiest to armour may also be easier to see.