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  2. Triangular prism - Wikipedia

    en.wikipedia.org/wiki/Triangular_prism

    A triangular prism has 6 vertices, 9 edges, and 5 faces. Every prism has 2 congruent faces known as its bases, and the bases of a triangular prism are triangles. The triangle has 3 vertices, each of which pairs with another triangle's vertex, making up another 3 edges. These edges form 3 parallelograms as other faces. [2]

  3. Triaugmented triangular prism - Wikipedia

    en.wikipedia.org/wiki/Triaugmented_triangular_prism

    The edges and vertices of the triaugmented triangular prism form a maximal planar graph with 9 vertices and 21 edges, called the Fritsch graph. It was used by Rudolf and Gerda Fritsch to show that Alfred Kempe 's attempted proof of the four color theorem was incorrect.

  4. Types of mesh - Wikipedia

    en.wikipedia.org/wiki/Types_of_mesh

    A triangular prism has 6 vertices, 9 edges, bounded by 2 triangular and 3 quadrilateral faces. The advantage with this type of layer is that it resolves boundary layer efficiently. The advantage with this type of layer is that it resolves boundary layer efficiently.

  5. List of small polyhedra by vertex count - Wikipedia

    en.wikipedia.org/wiki/List_of_small_polyhedra_by...

    The smallest polyhedron is the tetrahedron with 4 triangular faces, 6 edges, and 4 vertices. Named polyhedra primarily come from the families of platonic solids , Archimedean solids , Catalan solids , and Johnson solids , as well as dihedral symmetry families including the pyramids , bipyramids , prisms , antiprisms , and trapezohedrons .

  6. Deltahedron - Wikipedia

    en.wikipedia.org/wiki/Deltahedron

    gyroelongated square bipyramid and regular icosahedron are constructed by attaching two pyramids onto a square antiprism or pentagonal antiprism, respectively, such that they have sixteen and twenty triangular faces. triaugmented triangular prism, constructed by attaching three square pyramids onto the square face of a triangular prism, such ...

  7. List of uniform polyhedra - Wikipedia

    en.wikipedia.org/wiki/List_of_uniform_polyhedra

    In geometry, a uniform polyhedron is a polyhedron which has regular polygons as faces and is vertex-transitive (transitive on its vertices, isogonal, i.e. there is an isometry mapping any vertex onto any other). It follows that all vertices are congruent, and the polyhedron has a high degree of reflectional and rotational symmetry.

  8. Triangular bipyramid - Wikipedia

    en.wikipedia.org/wiki/Triangular_bipyramid

    A triangular bipyramid is the dual polyhedron of a triangular prism, and vice versa. [17] [3] A triangular prism has five faces, nine edges, and six vertices, with the same symmetry as a triangular bipyramid. [3]

  9. Uniform 4-polytope - Wikipedia

    en.wikipedia.org/wiki/Uniform_4-polytope

    Only vertices and edges are drawn. In geometry , a uniform 4-polytope (or uniform polychoron ) [ 1 ] is a 4-dimensional polytope which is vertex-transitive and whose cells are uniform polyhedra , and faces are regular polygons .

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