For Dee

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For Dee

Eight

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Eight

Pentadecagonal Mandalas On a Rotating Cuboctahedron

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Pentadecagonal Mandalas On a Rotating Cuboctahedron

Stella 4d, a program you may try for free at http://www.software3d.com/stella.php, was used to create this rotating image.

Five Times Three Is Fifteen

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Five Times Three Is Fifteen

Fifteen Times Two Is Thirty

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Thirty

Five Times Six Is Thirty

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Five Times Six Is Thirty

Those big round things aren’t circles. They are regular thirty-sided polygons, or triacontagons.

Factors of Twelve

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The Prime Factorization of Twelve

Op Art On a Rhombic Enneacontahedron

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Op Art On a Rhombic Enneacontahedron

The rhombic enneacontahedron has 90 faces; 30 are narrow rhombi (hidden here), and 60 are wider rhombi (decorated with the op art piece from two posts ago).

Software credit: see the polyhedral software I used at http://www.software3d.com/stella.php — free trial download available.

The Great Rhombcuboctahedron

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The Great Rhombcuboctahedron

The images on the faces are colorized versions of my last post here. This transfer was accomplished using software you can find at http://www.software3d.com/stella.php.

Seven

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Seven