Top Solitario offers a gaming mat of an industrial landscape. Just download, print, mount and play.
Paper Models
Star Trek Shuttlecraft Galileo Paper Model
The classic Star Trek shuttlecraft Galileo is available as a free 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.
Neolithic / Fantasy Monolith and Blocks Paper Model
OneMonk has posted a free paper model of some standing stones and stone blocks that wold useful as a ruined city.
Aerosan Paper Model
Mayhem In Paper offers a free paper model of US and Soviet aerosans — propeller driven sleds.