For Infinity and other science fiction games, here’s a paper model of a Chickenhawk dropship. It comes in a couple of different versions.
Paper Models For Dropships, Shuttlecraft, Science Fiction Tank, Warehouses
Genet Models offers some free paper models for Dropships, Shuttlecraft, a Science Fiction Tank that looks like it is from the movie Aliens, and some science fiction style warehouses.
Free Dropship Paper Model
Grey Matter Games offers a free paper model of a science fiction dropship, suitable for games from 6mm – 28mm.