Click here: http://www.ericksmodels.com/paper/models/models.html
You'll find some free downloadable paper starship models you can use in a Traveller game.
The actual models are based on the Homeworld strategy computer games. I love the old HW games (and still highly recommend HW2, if you're up to the task of being an Admiral for your fleet), and the HW universe has a very distinct "Traveller" feel to it.
If I had to categorize the HW universe, I'd say it's "Dune meets Traveller". It's just a cool, old style, scifi universe.
The ships in the game always (A) looked cool, (B) realistic, and (C) had a very "Traveller" feel.
At the link above, you can download paper models, put them together, and then have 3-D visual aids for your game.
"As you tumble out of Jump Space your sensors pick up a contact. The computer enhanced image that displays on the screen looks like this...
. Then, slap the paper model on the table.