Pleated hypars
A hyperbolic parabaloid (hypar) is a common pattern among
tensile structures.
There are a couple of pleating patterns that naturally
result in the formation of hyperbolic parabaloid shapes.
Square pleated hypar
Twisting triangular pleats
Pleated hypar roof construction
Links
For more information about pleated hypars, these links may be of interest:
Folding hyperbolic paraboloids
Origami Hyperbolic Parabola
Polyhedral Sculptures with Hyperbolic Paraboloids [PDF]
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