Folding a Net into an Octahedron Or Two Tetrahedra

Requires a Wolfram Notebook System
Interact on desktop, mobile and cloud with the free Wolfram Player or other Wolfram Language products.
The Demonstration shows that the surface of a regular octahedron can be rearranged to form the surfaces of two regular tetrahedra.
Contributed by: Izidor Hafner (August 2013)
Open content licensed under CC BY-NC-SA
Snapshots
Details
Reference
[1] G. N. Frederickson, Dissections: Plane & Fancy, New York: Cambridge University Press, 1997 p. 246. www.cs.purdue.edu/homes/gnf/book.html.
Permanent Citation
"Folding a Net into an Octahedron Or Two Tetrahedra"
http://demonstrations.wolfram.com/FoldingANetIntoAnOctahedronOrTwoTetrahedra/
Wolfram Demonstrations Project
Published: August 12 2013