Every so often someone asks this question, and seeing as this forum has one of the largest concentration of military SHIPS on the i'NET, we should expect it.
This is a good guide on the basics of ship building
This gallery is two pages of gorgeous space MOCs, including several large ships and some in the style of Star Blazers
This is a source of schematics for Star Blazers, Babylon 5, Battlestar Galactica and Star Trek (And in my opinion 3402 pieces of Nerdgasm material)
A decent source, mainly using for size comparison, but has lots of different ships from many sources[/url]




