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Tag Archives: hourglass
The Black Widow Tessellation
The black polygons in this radial tessellation are regular decagons. The red figures are hourglass-shaped equilateral hexagons, which remind me of the distinctive red markings found on many black widow spiders.
Posted in Mathematics
Tagged black widow, decagon, geometry, hourglass, Mathematics, tessellation
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Two Hourglass Cubes
There are two six-member sets of hourglasses in the near-cube above, each of which is made of four not-quite-coplanar faces. One set is green and blue, while the other is magenta and blue. If the polyhedron above is stellated nine … Continue reading
