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Screenshot six boxes and the golden ratio

This polyhedron model is the intersection of three parallelepipeds.
It is based on the intersection of three rectangles, where each rectangle has the proportions of the golden ratio.

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cover cross section cube

As a cover for this article, we offer a picture from a popular TV show.

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calendar Rhombic dodecahedron

The invention of the calendar is a remarkable event for humanity. The fact that a year consists of 12 months is no secret to anyone.

Since then, people have grouped 12 months into calendars in a variety of ways.

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Triangular prism the main advertising agent

The key element of this project is a regular triangular prism.

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plastic tetrahedron or cube

This little "joke" task will keep your kids (students) busy for a while!

What plastic tetrahedron* needs to be melted to cast a cube with an edge length of 50 mm from this plastic?

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The key element of this project is a...