Tree platform, steps at http://villagecustomfurniture.wordpress.com/2012/06/25/tree-fort-platform/
tree fort knee brace distance
How to make a simple treehouse. Hope Grandma can make this! My grandkids need a tree house.
Floating Bracket for Tree House Building | The Family Handyman
842418852_4fe9dde6b6.jpg 375×500 pixels
idea for one of the tree forts @Hollie Baker Kaitoula Tou Rodolfou Maslarova
Amazing Backyard Treehouse (and how it was built)
Instead of a treehouse, build a DIY tree fort. Kids love multiple entrances and exits!
Convert Your Text Into PDF! https://www.fiverr.com/aminulv/design-book-ebook-interior-or-layout