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Animated Impossible Triangle

Here is a demonstration of how an impossible triangle could be built. Drag your mouse over the image to rotate the model, or use the red slider near the bottom.

The shape of the model is not impossible. However, at one point in its rotation it does resemble an impossible object. If this were a 3-dimensional model you would have to see it from one unique viewing angle in order to catch the impossible triangle aspect. That one point is called its Ames Transformation.

Art: Tony Azevedo
Java Applet: 1998 Tony Azevedo

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