Here's an example of a Hishen Planetary Conquest ship.
Each Faction has its own color and all the ships are proportionate in size for their Class. You get two sets for each Faction, one set on 2" hexes and the other on 2" squares.
And the nice thing is you can make as many of these as you like.
Here's the link
Fora $5 color PDF yo can get into 5150: Star Navy in a big way.