| 摘要 |
A collapsible structure includes at least three panels, each panel having a foldable frame member having a folded and an unfolded orientation, and a fabric covering portions of each frame member to form the panel for each frame member when the frame member is in the unfolded orientation. The panels are connected to each other along their side edges to form a ring of panels that enclose a space. An image can be provided on the fabric of at least one of the panels, and a weight can be coupled to at least one of the panels.
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