www.CatapultBlueprints.net is a site that offers tons of FREE blueprints for DIY projects. They have free catapult blueprints, free trebuchet blueprints, and resources related to contruction of the DIY catapult projects. Be warned that like all of these catapult resources, this site is also still very young and with only limited information. That's why we gave them only 4 stars. The goals of the site are great, and the quality of the site is great, but they probably need a bit more time to get all of their content loaded and live on the site.

Catapult Blueprints offers a ton of FREE online information, including: