Lean to shed plans the lean to shed style is one of our most popular designs. our plans are designed to aid both the beginning builder and the seasoned professional to successfully build a lean to shed. our plans show detailed information like the location of every board in all the shed walls and shed floor.. Lean to shed plans � step by step instructions for building a lean-to shed. 1. prepare the site with a 4? layer of compacted gravel. cut the two 4 x 4 skids at 70 2/4?. set and level the skids following the shed building plans. cut two 2 x 6 rim joists at 7 3/4 � and six joists at 44 3/4?.. This step by step diy woodworking project is about lean to storage shed plans. the project features instructions for building a 4