Mandala 18
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Tag Archives: geometry
The Compound of Ten Octahedra and Its Dual, the Compound of Ten Cubes
I stumbled upon the compound above while playing with facetings, starting with the rhombic triacontahedron. Here’s the compound’s dual.
I made these rotating models using Stella 4d, a program you can try for free at this website.
The Thirty Squares of a Rhombicosidodecahedron
I made this by hiding the pentagons and triangles of a rhombicosidodecahedron, then putting the remaining faces, all squares, into “rainbow color mode.” I did this using Stella 4d: Polyhedron Navigator, which you can try for free right here.
A Symmetrohedron With 182 Faces
This symmetrohedron’s regular faces are twelve pentagons, thirty octagons, and twenty triangles. Its irregular faces include sixty yellow isosceles trapezoids, as well as sixty blue isosceles trapezoids. That makes 182 faces in all.
I used Stella 4d: Polyhedron Navigator to make this, and you can try this program yourself, as a free trial download, at http://www.software3d.com/Stella.php.
Tessellation of Two Sizes of Regular Hexagons, Together With Isosceles Trapezoids
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Tessellation of Regular Hexagons and Convex Pentagons
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Hexagonal Vortex
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A Tessellation of Regular and Irregular Octagons, as Well as Two Types of Rhombi, and Equilateral Triangles
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A Twenty-Faced Symmetrohedron With Four Equilateral Triangles, Four Regular Hexagons, and Six “Bowtie” Pairs of Isosceles Trapezoids as Faces
I made this using Stella 4d, which you can try for yourself at this website.
Sawblade Tessellation, Made of Two Sizes Each of Golden Triangles and Golden Gnomons
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