For those interested, I did up some schematics of the variants that had been seen throughout the series (and collected a few others for comparison). Some of them are clearly not quite as accurate without good source material, like the 4-engine variant (3 versions!), but best-guess scenarios. Dukhat's already seen these, as his highly informed input helped solidify some of the more shakey aspects of some of the study models.
Here they are:
Here they are:
- USS Melbourne (from the battle at Wolf 359 in TNG's "Best of Both Worlds Pt. II")
- Nebula Prototype Variant 1 (Riker's Desk Model from TNG's "Future Imperfect")
- Nebula Prototype Variant 2 (Sisko's Desk Model from DS9's "'Til Death Do Us Part")
- Standard Nebula Class (seen throughout TNG, DS9 and Voyager, drawn by Adam Heinbuch)
- USS Phoenix (from TNG's "The Wounded")
- USS Bonchune (CG version from Voyager's "Message in a Bottle", rendered by Doug Drexler)