Folding a Mitre into a Gnomon

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This Demonstration shows how to fold a mitre into a gnomon.
Contributed by: Izidor Hafner (January 2013)
Open content licensed under CC BY-NC-SA
Snapshots
Details
In [1] the transformation is called a saddle-cyclic folding of a mitre to a gnomon.
Reference
[1] G. N. Frederickson, Piano-Hinged Dissections: Time to Fold!, Wellesley, MA: A. K. Peters, 2006 pp. 20–21.
Permanent Citation
"Folding a Mitre into a Gnomon"
http://demonstrations.wolfram.com/FoldingAMitreIntoAGnomon/
Wolfram Demonstrations Project
Published: January 11 2013