From Ravenstar, two Lief Ericsons. The flash is minimal; they could probably be prepped with fingernail.
The best thought-through reference I could find on the web offers a "real world" length (based on door heights and other evidence from the original plastic kit) of 170m; so at 7cm overall we would be looking at about a 1:2500 scale. Not that I feel bound by that.
In my Future History these will be long range cruisers, able to refuel by scooping hydrogen from a Gas Giant (per Mote in God's Eye and Traveller).
Star Ranger forum).
According to the B5 wiki an Omega is 1.7 km long (that show did *not* think small) which gives these lads a scale of 1:25000.
Traveller universe) there will be no artificial gravity, and technology will be in a state of rapid flux. These ships will represent low-thrust passenger ships with spin-gravity. I will probably paint them in an airline (or turn of the century ocean liner) inspired civilian livery; for some scenarios they may be troopships, but that happens to civilian liners in wartime anyway.