This was created using Geometer’s Sketchpad and MS-Paint.
Blues and Violets
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Tag Archives: geometric
Mandala Featuring Regular Heptagons and a Regular Tetradecagon, with Convex Pentagons and Isosceles Trapezoids
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A Pentagonal Array
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Spectral
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Octagonal Spirals
This is a modification of the well-known tessellation of the plane with squares and regular octagons.
Sixteen {7/2} Star Heptagons
Two of the heptagrams are centered in the middle, while the other fourteen are smaller, and form a ring around the two in the center.
Ten Pentagrams
The ten pentagrams meet at a common vertex in the center.
Fourteen Heptagrams
The fourteen heptagrams, also known as {7/3} star heptagons, meet at a common vertex in the center of the whole diagram. I did the math using Geometer’s Sketchpad, and then colored the result using MS-Paint.
Golden Triangles and Golden Gnomons
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Circles, Triangles, and a Pentagon
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