Basic free shed plans vs advanced premium shed plans. so what�s the difference between our free and premium shed plans. well apart from the obvious that one is free and the other is a paid for product, the main difference the level of detail in the plans.. 10- and finally, this pdf free shed plan of a large storage and wood shed. it is a great all-purpose project. easy to customize and easy instructions make this wood storage shed plan a good one to start with. we hope these wood shed plans work well for you, as you enjoy years of cheap and clean, renewable wood fuel for heat in your home.. This step by step diy project is about 4