That’s the finished mandala. These are made using MS-Paint and Geometer’s Sketchpad, and I use Sketchpad first. Here’s what it looked like at the half-way point:
Mandala Based On Sixty
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Tag Archives: math
Pentagonal Mandala
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Euclidean Construction of the Regular Pentagon
It’s not the same one you can easily find in textbooks.
[Later edit] For a step-by-step explanation of this construction, see this post: https://robertlovespi.wordpress.com/2014/08/10/a-euclidean-construction-of-a-regular-pentagon-with-a-given-edge-length/.
Euclidean Construction of the Regular Triacontagon
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Another Construction of the Golden Rectangle
As if one were needed:
Cuboctahedron Constructed from Rhombic Triacontahedra
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The software used to produce this image may be tried as a free trial download at http://www.software3d.com/Stella.php.
Rotating Zonish Polyhedron
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Creating zonish polyhedra (related to zonohedra) and creating rotating polyhedral .gifs are two features newly added to Stella, the program used to make this, which may be tried for free at http://www.software3d.com/stella.php
Off-Center Mandala
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Snowflake in Primary Colors
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Mandala Based on the Number 3
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