Magic Octagon Brain Teaser Coin (Multibody, Multicolor, AMS)
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Magic Octagon Brain Teaser Coin simplified multibody design.
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Model information
- Source
- Printables
- Category
- Puzzles & Brain-teasers
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
I saw this coin in an Instagram post and had to look up it's history so I could create a 3D model of my own. Everyone claims "their" model as the original but that is definitely not the case....
The Story...
"The first documented description of this geometric brain teaser comes in the form of a magic trick by Elias et al. under the title Screwy Square published in 1946. A multitude of variations have since been developed and described, and most involve a square or octagon cutout with an arrow printed on each face, always incorporating the following main important feature: the two arrows are at a 90° right angle with respect to each other." Link to full story
For my particular model I generated a multibody part that is multicolor/ams friendly and simple.
Designed in Solidworks