A deltahedron is a polyhedron whose faces are all equilateral triangles. The deltahedron was named by Martyn Cundy, after the Greek capital letter delta...

polyhedron with 12 equilateral triangles as its faces. It is an example of deltahedron and Johnson solid. It can be constructed in different approaches. This...

fewest possible faces of any embedded toroidal polyhedron. A toroidal deltahedron was described by John H. Conway in 1997, containing 18 vertices and 36...

triangle can be found in various tilings, and in polyhedrons such as the deltahedron and antiprism. It appears in real life in popular culture, architecture...

names mean a polyhedron with 16 triangular faces. It is an example of deltahedron, and of a Johnson solid. The dual polyhedron of the gyroelongated square...

edges, and 12 vertices. It is an example of a Platonic solid and of a deltahedron. The icosahedral graph represents the skeleton of a regular icosahedron...

faces of a triangular bipyramid are equilateral. It is an example of a deltahedron, composite polyhedron, and Johnson solid. Many polyhedra are related...

names mean a polyhedron with 14 triangular faces. It is an example of a deltahedron, composite polyhedron, and Johnson solid. The edges and vertices of the...

simplicial polyhedron because all of its faces are triangles. More specifically, when the faces are equilateral, it is categorized as a deltahedron....

pyramids) resulting in an equilateral polyhedron which is a concave deltahedron (whose all faces are congruent equilateral triangles). The convex hull...

faces: Sonobe modules can replace each notional edge of the original deltahedron by the central diagonal fold of one unit and each equilateral triangle...

triangles. A polyhedron with only equilateral triangles as faces is called a deltahedron. There are only eight different convex deltahedra, one of which is the...

triakis icosahedron (a Catalan solid), and triaugmented triangular prism (a Johnson solid and deltahedron). All of these classes are convex polyhedra....

Johnson solids. A polyhedron having regular triangles as faces is called a deltahedron. Euclidean tilings by convex regular polygons Platonic solid List of...

square pyramid. Similarly, the gyroelongated square bipyramid (J17) is a deltahedron (a polyhedron whose faces are all equilateral triangles) constructed...

solid Uniform polyhedron Polyhedral compound Hilbert's third problem Deltahedron Surface normal 3-sphere, spheroid, ellipsoid Parabolic microphone Parabolic...

are the same length. The regular tetrahedron is the simplest convex deltahedron, a polyhedron in which all of its faces are equilateral triangles; there...

{4,3}, and the octahedron as {3,4}. Archimedean solid Catalan solid Deltahedron Johnson solid Goldberg polyhedron Kepler-Poinsot polyhedron List of regular...

isosceles triangles or "deltas" (Δ), base-to-base. Weisstein, Eric W. "Deltahedron". MathWorld. Retrieved 2024-04-28. Spencer 1911, p. 575, or p. 597 on...

A regular icosahedron has the same surface metric as a non-convex deltahedron in which one five-triangle pyramid is pushed in...

pyramids with equilateral triangles are used, the result is a non-convex deltahedron. Any such elevated dodecahedron has the same combinatorial structure...

Realization of the Goldner–Harary graph as the deltahedron obtained by attaching regular tetrahedra to the six faces of a triangular dipyramid....

D-ring Deltoid, the shape that resembles the Greek capital letter Δ Deltahedron Deltoid muscle River delta Delta wing E-shape, the shape that resembles...

has the same symmetry group as a single octahedron. It is an isohedral deltahedron, meaning that its faces are equilateral triangles and that it has a symmetry...

Regular octahedron Type Deltahedron, Platonic solid Faces 8 Edges 12 Vertices 6 Symmetry group octahedral symmetry...

the other; in the gyroelongated form, the prism meets the same kind of deltahedron at each end. The elongated alternated cubic honeycomb or elongated triangular...

[5,3], (*532) References U53, C69, W41 Properties Regular nonconvex deltahedron (35)/2 (Vertex figure) Great stellated dodecahedron (dual polyhedron)...

deletion, indelible delt- D, d Greek Δ, δ, δέλτα (délta) delta, deltoid, deltahedron dem-, dom- build Greek δέμειν (démein), δῶμα, δῶματος, δομή, δόμος (dómos)...

form, with equilateral triangle faces, it is an example of a non-convex deltahedron, one of the few known deltahedra that are isohedral (meaning that all...

18 triangles Edges 27 Vertices 11 Vertex configuration 2 (34) 8 (35) 1 (36) Symmetry group C2v, [2], (*22), order 4 Properties Convex, deltahedron Net...