Diy Tree House Blueprints . Please note, the trees are not included!. Take a look at popular mechanics for the complete plans. Pin by Dennis Walsak on Treehouse Tree house diy, Tree house plans from www.pinterest.com This tree house is absolutely adorable. Balanced on stilts made of wooden posts, this modern diy treehouse plan is versatile and can be made either on a treetop or independently. See more ideas about tree house, tree house diy, tree.