The classic Star Trek shuttlecraft Galileo is available as a free paper model.
paper model
Paper Model Ruins For Frostgrave
Osprey is supporting their popular Frostgrave rules with some paper model ruins for the game. They could of course also be used for a number of other medieval and fantasy games.
Free Blood Bowl Pitch
The Gaming Corner has twenty different Blood Bowl pitch designs free for the downloading. Just print them out and glue the pieces to cardboard. The site also has Blood Bowl rosters and a quick reference sheet.