It is held together by cable ties. When I get more cable ties I will do it a bit differently. Instead of going straight across, I will go diagonally over joint stopping verticle movement.
It looks nice! Don't you use coroplast? Don't they pee in the corners? I LOVE those pigloo houses. I live in the Netherlands and had to have one, but its hard to get one here. But I found it, a pink one! I'm gonna ask a purple one for Christmas! Haha!
