Triangular torus (EntityClass, 3)
From Hi.gher. Space
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| - | {{Shape| | + | {{STS Shape |
| + | | image=http://fusion-global.org/share/torapyramid.png | ||
| + | | dim=3 | ||
| + | | elements=3, 3, 0 | ||
| + | | genus=1 | ||
| + | | ssc=G3T | ||
| + | | extra={{STS Rotope | ||
| + | | notation=(I'I) | ||
| + | | index=10 | ||
| + | }}}} | ||
The '''triangular torus''', or torapyramid, can be defined as ''circle # triangle''. Since the torus product is not uniquely defined in this case, this makes it an [[immeasurable rotope]]. However, [[CSG Notation]] defines the triangular torus written as "ETQ" as a triangle [[lathe]]d in such a way that the bases of all the triangular [[radial slice]]s lie in the same plane. | The '''triangular torus''', or torapyramid, can be defined as ''circle # triangle''. Since the torus product is not uniquely defined in this case, this makes it an [[immeasurable rotope]]. However, [[CSG Notation]] defines the triangular torus written as "ETQ" as a triangle [[lathe]]d in such a way that the bases of all the triangular [[radial slice]]s lie in the same plane. | ||
Revision as of 15:21, 14 March 2008
The triangular torus, or torapyramid, can be defined as circle # triangle. Since the torus product is not uniquely defined in this case, this makes it an immeasurable rotope. However, CSG Notation defines the triangular torus written as "ETQ" as a triangle lathed in such a way that the bases of all the triangular radial slices lie in the same plane.
| 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 |
