D4.5.4 (EntityTopic, 15)
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CJ4.5.4 is a [[CRF polychoron]] [[crown jewel]] derived from [[CJ4.5.3]] by substituting the 30 icosidodecahedral cells with [[bilunabirotunda]]. It was first suggested by [[Marek]] on February 14, 2014, and subsequently constructed and confirmed to be CRF by [[Quickfur]]. It has 2 rhodopantohedra, 40 J92's, 30 J91's, 36 decagonal prisms, and 240 square pyramids. It is the first known crown jewel that contains two 3D crown jewels as cells, the bilunabirotunda (J91), and the [[triangular hebesphenorotunda]] (J92). | CJ4.5.4 is a [[CRF polychoron]] [[crown jewel]] derived from [[CJ4.5.3]] by substituting the 30 icosidodecahedral cells with [[bilunabirotunda]]. It was first suggested by [[Marek]] on February 14, 2014, and subsequently constructed and confirmed to be CRF by [[Quickfur]]. It has 2 rhodopantohedra, 40 J92's, 30 J91's, 36 decagonal prisms, and 240 square pyramids. It is the first known crown jewel that contains two 3D crown jewels as cells, the bilunabirotunda (J91), and the [[triangular hebesphenorotunda]] (J92). | ||
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| + | ==Projections== | ||
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| + | Side-view, showing the bilunabirotundae: | ||
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| + | <[#embed [hash 7YRJ4BHJKJM5JN7THRBPW095GY]]> | ||
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| + | Side-view, showing the triangular hebesphenorotundae: | ||
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| + | <[#embed [hash YMGVRACF02GPJBSHE9X9YE7TJ9]]> | ||
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| + | Top view, centered on a great rhombicosidodecahedron: | ||
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| + | <[#embed [hash FXGXR8560QV9PZQEMJ2CER6V5Q]]> | ||
Revision as of 00:14, 23 February 2014
CJ4.5.4 is a CRF polychoron crown jewel derived from CJ4.5.3 by substituting the 30 icosidodecahedral cells with bilunabirotunda. It was first suggested by Marek on February 14, 2014, and subsequently constructed and confirmed to be CRF by Quickfur. It has 2 rhodopantohedra, 40 J92's, 30 J91's, 36 decagonal prisms, and 240 square pyramids. It is the first known crown jewel that contains two 3D crown jewels as cells, the bilunabirotunda (J91), and the triangular hebesphenorotunda (J92).
Projections
Side-view, showing the bilunabirotundae:
Side-view, showing the triangular hebesphenorotundae:
Top view, centered on a great rhombicosidodecahedron:
