Aliens Caterpillar P-5000 Powerloader

In the Aliens movie, Ellen Ripley finds herself in
a one-on-one situation with the immense Queen Alien. In order to size up against
it, Ripley stepped into a Caterpillar P-500 Power Loader that provided her with enough armor and strength to force the Queen Alien out into
the airlock and flush her out into space.

You can download the paper model from: