8 x 12 Backyard Shed Crafting Diagrams And Blueprints 

https://sheddrafts.com/10x12-gable-garden-storage-shed-plans-blueprints

This site has professional wooden shed construction blueprints along with all instructions for assembling your lean-to shed. These potting shed building schematics show detailed framing diagrams and rafter templates along with roof, floor and wall architecture.