TimberFrameHQ.com offers several plans for outdoor pavilions. The plans are sorted by size and range from 12 feet by 12 feet to 14 feet by 30 feet. MyOutdoorPlans.com provides step-by-step, do-it-yourself instructions for a budget-friendly pavilion.
HousePlansAndMore.com offers blueprints for pavilions in various sizes, and the site includes an image gallery of finished pavilions built from the plans. Renovation-Headquarters.com also offers pavilion plans available for free download. The plans are sorted by purpose and include picnic pavilions and spa shelters.
Complete pavilion kits are sold at Gazebo.com. The kits are ready to assemble and come pre-drilled and pre-cut with hardware. Kits are available in wood and vinyl.