Tetrahedral truncate (EntityTopic, 11)
From Hi.gher. Space
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| - | {{Shape| | + | <[#ontology [kind topic] [cats 3D Uniform Polytope]]> |
| + | {{STS Shape | ||
| + | | image=<[#embed [hash GM534VZ12R08Y7S5QFGEYRHT88] [width 180]]> | ||
| + | | dim=3 | ||
| + | | elements=8, 18, 12 | ||
| + | | sym=[[Pyrohedral symmetry|T<sub>d</sub>, A<sub>3</sub>, [3,3], (*332)]] | ||
| + | | genus=0 | ||
| + | | ssc=xPPX3 | ||
| + | | ssc2=Kt3 | ||
| + | | extra={{STS Polytope | ||
| + | | flayout={{FLD|a3|i|a3|er}} | ||
| + | | dual=[[Triakis tetrahedron]] | ||
| + | | bowers=Tut | ||
| + | }}{{STS Uniform polytope | ||
| + | | schlaefli=t{[[Triangle|3,]][[Tetrahedron|3]]} | ||
| + | | wythoff=<nowiki>2 3 | 3</nowiki> | ||
| + | | conway=t[[Tetrahedron|Y3]] | ||
| + | | vlayout=[[Triangle|3]]∙[[Hexagon|6]]<sup>2</sup> | ||
| + | | vfigure=Isosceles [[triangle]] | ||
| + | }}}} | ||
| - | + | <[#polytope [id 6]]> | |
| - | + | {{Trishapes}} | |
Latest revision as of 11:06, 2 March 2014
Incidence matrix
Dual: triakis tetrahedron
| # | TXID | Va | Ea | Eb | 6a | 3a | Type | Name |
|---|---|---|---|---|---|---|---|---|
| 0 | Va | = point | ; | |||||
| 1 | Ea | 2 | = digon | ; | ||||
| 2 | Eb | 2 | = digon | ; | ||||
| 3 | 6a | 6 | 3 | 3 | = hexagon | ; | ||
| 4 | 3a | 3 | 0 | 3 | = triangle | ; | ||
| 5 | C1a | 12 | 6 | 12 | 4 | 4 | = truncated tetrahedron | ; |
Usage as facets
- 24× 1-facets of a truncated snub demitesseract (named full sym)
- 96× 1-facets of a truncated snub demitesseract (named axial sym)
| Notable Trishapes | |
| Regular: | tetrahedron • cube • octahedron • dodecahedron • icosahedron |
| Direct truncates: | tetrahedral truncate • cubic truncate • octahedral truncate • dodecahedral truncate • icosahedral truncate |
| Mesotruncates: | stauromesohedron • stauroperihedron • stauropantohedron • rhodomesohedron • rhodoperihedron • rhodopantohedron |
| Snubs: | snub staurohedron • snub rhodohedron |
| Curved: | sphere • torus • cylinder • cone • frustum • crind |
