Skew polygon
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In geometry, a skew polygon is a polygon whose vertices do not lie in a plane. Skew polygons must have at least 4 vertices.
The interior surface (or area) of such a polygon is not uniquely defined, although can be considered as a minimal surface problem like the form of a soapy film inside of a wire frame.
[edit] References
- Williams, Robert (1979). The Geometrical Foundation of Natural Structure: A Source Book of Design. Dover Publications, Inc. ISBN 0-486-23729-X. "Skew Polygons (Saddle Polygons)." ยง2.2

