You can get several designs of cargo containers for Infinity — or for any science fiction game, for that matter — at this Spanish site.
Here are a couple of free Zeppelin card models. I’m sure you can find a use for them.
For an unusual game, you might try these paper models of Golden Age Superheroes.
One Monk offers a selection of Christmas Wars paper figures. There are polar bears, Krampus and Velociraptors in Santa Hats in Scarves.
I have no idea what you would use these for. But they’re cool.
For Cthulhu fans, here are some paper figures of an Elder Thing and Investigators.