And here's a star destroyer I've made with google sketchup (whatever it is nowdays) that I thought I'd share, in this forum so named.
It's name is 'soverign of the void'.
and I made some interiors too
and I'm not shy to share my work, so here you go, do with it as you please, none shall interfere.
http://www.2shared.com/file/Tzct2whT/stardes.html