A Grating at the End of a Tube
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A grating is put at the end of a tube by connecting the vertices of regular polygons in two perpendicular directions with cylinders or lines.
Contributed by: Sándor Kabai (December 2007)
Open content licensed under CC BY-NC-SA
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"A Grating at the End of a Tube"
http://demonstrations.wolfram.com/AGratingAtTheEndOfATube/
Wolfram Demonstrations Project
Published: December 27 2007