If making a watchtower from scratch is a little above your modeling skills, you might be interested in these very nice paper model watchtowers.
paper model
Paper Model Bait Ammo Beer and Grocery Shop
Here’s a nice paper model of a backcountry hillbilly or cajun grocery, bait, ammo and beer store.
Free 3D Terrain For Dust Tactics
Top Solitario, one of my favorite sites for its quality free paper products, has a selection of 3-D terrain pieces for Dust and other games which can be downloaded, printed and quickly constructed — a bonus is that they also fold flat!
Paper Science Fiction Ornithopter Model
Toposolitario has a new paper model for you to enjoy: a science fiction ornithopter. The artist points out that a 50% printing, it would work for the now very popular 15mm science fiction figures.