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math explorations through tetrahedra

Author:
spkwan
Topic:
Geometry

1. five intersecting tetrahedra

2. origami model

2. origami model
This ingenious design was devised by Tomas Hull, using a unit created by Francis Ow.

3. lavenderhome - 5 Intersecting Tetrahedra

4. envelope tetrahedron

4. envelope tetrahedron
CutOutFoldUp - fold a tetrahedron from an envelope https://www.cutoutfoldup.com/808-fold-a-tetrahedron-from-an-envelope.php

5. Thoki Yenn - half tetrahedron

5. Thoki Yenn - half tetrahedron
The Clouds of Thoki Yenn https://erikdemaine.org/thok/thok91.html

6. references for further explorations

1. Mathigon - folding instruction https://static.mathigon.org/origami/star.pdf 2. 오더리탱글 만들기(2021 당진 온라인 수학축전) https://youtu.be/8EUndSvxBFw 3. Arthur Lee - Cube and Tetrahedron https://www.ggbm.at/CcXzmKtR 4. Arthur Lee - three tetrahedrons https://www.ggbm.at/zdJXXb8E 5. Matematicas Visuales - The volume of a Tetrahedron http://www.matematicasvisuales.com/english/html/geometry/space/voltetra.html 6. 關樹培&陳詠心 - 數學、摺紙及GeoGebra: 等邊三角形的探究 http://www.hkame.org.hk/hkmec13/notes/KWAN%20S%20P.pdf 7. Thomas Hull - project Origami P111-123 8. Rick Beech - Origami: the complete guide to the art of paperfolding P235-237 9. 布施知子 - 摺紙童話(3): 立體盒子

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