A collapsible structure has a first panel and a second panel, each panel
having a foldable frame member having a folded and an unfolded
orientation, with a fabric material covering portions of the frame member
to form the panel when the frame member is in the unfolded orientation.
The first panel has a first side that is stitched to the fabric of the
second panel by a stitching. Another collapsible structure has a first
panel and a second panel, each panel having a foldable frame member having
a folded and an unfolded orientation, with a fabric material covering
portions of the frame member to form the panel when the frame member is in
the unfolded orientation. The second panel has an opening provided in its
fabric, with a first side of the first panel inserted through the opening
to couple the first panel to the second panel.
