Here's what I've come up with so far. Needs a lot of texturing and all
still. The basic idea is a cargo hold up front, fuel tanks and solar
panels surrounding a central living area, and some engines in the back.
The cargo acts as impact shielding, the hydrogen acts as
radiation shielding, and the engines make it go. A lot of it is
parameratized, so it's tweakable. Here's one configuration
