Never knew there was such a thing, until 2 weeks ago.
Anyway, they brought sketches, sent me some photos...
Maybe someone with kids might find it interesting.
All in all, about 20 hours of work.
The frame, gables and ridge is one glued up, detachable element.
It is affixed with 4 5x120mm screws to the four posts.
Other joints are a combination of M&Ts and wood screws.
