#1 0 step-by-step 4 x 8 shed plans. # 18 diy lean to shed. when you have limited space to work with, this handy freestanding lean-to style shed is the perfect option. these easy to follow plans include a list of all materials needed and include plans for the double barn style doors. seethe free plans here. #3 2 8 x 8 gambrel shed.. A lean-to shed will give you a lot of storage space for minimal cost and effort, and is far more satisfying and solid than any pre-purchased box. you can keep the plan very basic, or add on more permanence with walls and flooring – or even just by using a tarp to cover the outside in winter.. Lean to shed plans - 4x8. shed plans include a free pdf download, illustrated step-by-step instructions, shopping list, and cutting list..