Tag Archives: cube

Some Tetrahedral Stellations of the Truncated Cube

Posted on 19 January 2017 by

I created these with Stella 4d, which you may try for free at this website. To make a given polyhedral stellation appear larger, simply click on it.

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The Truncated Cube, with Two Variations Featuring Regular Dodecagons

Posted on 10 December 2016 by

This is the truncated cube, one of the thirteen Archimedean solids. If the truncation-planes are shifted, and increased in number, in just the right way, this variation is produced. Its purple faces are regular dodecagons, and the orange faces are … Continue reading →

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For me, geometry for breakfast is not unusual. This morning, though, I’m sprinkling calculus on top before eating it.

Posted on 10 March 2016 by

It’s important to explain, right up front, that Ronald Reagan was president when I last took calculus. However, I have a new determination to learn the subject. I have a hunch this may go better without the “help” of actually … Continue reading →

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Open Octahedral Lattice of Cubes and Rhombicosidodecahedra

Posted on 5 February 2016 by

This pattern could be continued, indefinitely, into space. Here is a second view, in rainbow color mode, and with all the squares hidden. [These images were created with Stella 4d, software you may buy — or try for free — … Continue reading →

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Six “Cubish” Polyhedra

Posted on 29 January 2016 by

I’m using the term “cubish polyhedra” here to refer to polyhedra which resemble a cube, if one looks only at the faces they have which feature the largest number of sides, always six in number, and with positions corresponding to … Continue reading →

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The Compound of Five Cubes, Augmented with Thirty Snub Cubes: Three Versions

Posted on 3 November 2015 by

This cluster-polyhedron was made with Stella 4d, software you can try at this website. Above, it is colored by face-type, referring to each face’s position within the overall cluster. In the image below, the original compound of five cubes contained … Continue reading →

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One Dozen Precious Metal Cubes: A Problem Involving Geometry, Chemistry, and Finance (Solution Provided, with Pictures)

Posted on 7 August 2015 by

The troy ounce is a unit of mass, not weight, and is used exclusively for four precious metals. At this time, the prices per troy ounce, according to this source for current precious metal prices, for these four elements, are: Gold, $1,094 … Continue reading →

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