About: Truncated dodecahedron   Sponge Permalink

An Entity of Type : owl:Thing, within Data Space : 134.155.108.49:8890 associated with source dataset(s)

Geomag doesn't come with decagonal panels, so they must be approximated with pentagonal cupolas. There's a rather surprising choice to be made when building this model: which way do I orientate the cupolas? The way shown in the picture, with the cupola's squares joining is the only real choice, because the triangles are slanted at too tight an angle for regular Geomag bars to be used. TODO: what is the angle? (with derivation).

AttributesValues
rdfs:label
  • Truncated dodecahedron
rdfs:comment
  • Geomag doesn't come with decagonal panels, so they must be approximated with pentagonal cupolas. There's a rather surprising choice to be made when building this model: which way do I orientate the cupolas? The way shown in the picture, with the cupola's squares joining is the only real choice, because the triangles are slanted at too tight an angle for regular Geomag bars to be used. TODO: what is the angle? (with derivation).
sameAs
Rods
  • 270(xsd:integer)
Squares
  • 60(xsd:integer)
dcterms:subject
PageTitle
  • Truncated dodecahedron
filename
  • Truncated Dodecahedron - Inward Cupolae .jpg
Type
Caption
  • Coloring here to emphasize the decagonal faces
  • Truncated Dodecahedron with inward pentagonal cupolae, aligned square-to-square
dbkwik:geomag/prop...iPageUsesTemplate
Author
  • --01-11
  • --05-30
Link
Title
  • Truncated Dodecahedron
Spheres
  • 120(xsd:integer)
Pentagons
  • 12(xsd:integer)
Triangles
  • 80(xsd:integer)
abstract
  • Geomag doesn't come with decagonal panels, so they must be approximated with pentagonal cupolas. There's a rather surprising choice to be made when building this model: which way do I orientate the cupolas? The way shown in the picture, with the cupola's squares joining is the only real choice, because the triangles are slanted at too tight an angle for regular Geomag bars to be used. TODO: what is the angle? (with derivation).
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