This step by step diy woodworking project is aboutcorner outdoor sectional sofa plans. If you want to learn more about building a sectional sofa for your backyard patio, this article is exactly what you need. Follow the step by step instructions and diagrams, to build the corner modules for the outdoor project. Lock everything together tightly before assembling the sofa. Check out the first part of the project to learn how to build the regular modules.