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

This polyhedron was the 91st detailed in Johnson's seminal paper, consequently it's often notated J91, the 91st . It is an elementary polyhedron that may not be formed from other basic Platonic, Archimedean, and Johnson solids. Six bilunabirotundas may be used to form the lovely Stewart's 6J91(P4), which may be utilized further to form the central 6-way hole for the fabulous Lunar-holed Rhombicosidodecahedron, Stewart's E5/6J91(P4). These models were built using Geomag Pastelles.

AttributesValues
rdfs:label
  • Bilunabirotunda
rdfs:comment
  • This polyhedron was the 91st detailed in Johnson's seminal paper, consequently it's often notated J91, the 91st . It is an elementary polyhedron that may not be formed from other basic Platonic, Archimedean, and Johnson solids. Six bilunabirotundas may be used to form the lovely Stewart's 6J91(P4), which may be utilized further to form the central 6-way hole for the fabulous Lunar-holed Rhombicosidodecahedron, Stewart's E5/6J91(P4). These models were built using Geomag Pastelles.
sameAs
Rods
  • 26(xsd:integer)
Squares
  • 2(xsd:integer)
dcterms:subject
PageTitle
  • Bilunabirotunda
filename
  • Bilunabirotunda 7847.jpg
Type
Caption
  • Johnson solid J91
dbkwik:geomag/prop...iPageUsesTemplate
Author
  • --01-09
Title
  • Bilunabirotunda
Spheres
  • 14(xsd:integer)
Pentagons
  • 4(xsd:integer)
Triangles
  • 8(xsd:integer)
abstract
  • This polyhedron was the 91st detailed in Johnson's seminal paper, consequently it's often notated J91, the 91st . It is an elementary polyhedron that may not be formed from other basic Platonic, Archimedean, and Johnson solids. Johnson termed the complex of two equilateral triangles adjacent to opposite sides of a square a "lune": Image:Lune.jpg. And recalled that the sequence of 5,3,5,3 is known for appearing on a Pentagonal Rotunda (a.k.a. J6), which is more elementary than the Icosidodecahedron. Therefore the two "lunes" and the two "rotunda" vertices justify Johnson's termonology bi-luna-bi-rotunda for this solid. Six bilunabirotundas may be used to form the lovely Stewart's 6J91(P4), which may be utilized further to form the central 6-way hole for the fabulous Lunar-holed Rhombicosidodecahedron, Stewart's E5/6J91(P4). These models were built using Geomag Pastelles.
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