edge of polyhedron
121Inner Plane — An artistic rendering of the cosmology of the Inner Planes. The Inner Planes are the innermost planes of existence in the standard cosmology of the Dungeons Dragons role playing game. They are the building blocks of the multiverse, the elements… …
122Art gallery problem — The art gallery problem or museum problem is a well studied visibility problem in computational geometry. It originates from a real world problem of guarding an art gallery with the minimum number of guards which together can observe the whole… …
123Reflection mapping — An example of reflection mapping. In computer graphics, environment mapping, or reflection mapping, is an efficient Image based lighting technique for approximating the appearance of a reflective surface by means of a precomputed texture image.… …
124Antiparallelogram — An antiparallelogram An antiparallelogram (also called a contraparallelogram[1] or crossed parallelogram[2]) is a quadrilateral in which, like a parallelogram, the p …
125Flag (geometry) — In geometry a flag is a connected set of elements from each dimensionality of a polygon, polyhedron, or higher polytope. For example, a flag of a polygon comprises one corner and one connecting side. A flag of a polyhedron comprises one vertex,… …
126Strip algebra — is a set of elements and operators for the description of carbon nanotube structures, considered as a subgroup of polyhedra, and more precisely, of polyhedra with vertices formed by three edges. This restriction is imposed on the polyhedra… …
127Compound of twenty octahedra — Type Uniform compound Index UC14 Polyhedra 20 octahedra Faces 40+120 triangles …
128Compound of two snub cubes — Type Uniform compound Index UC68 Polyhedra 2 snub cubes Faces 16+48 triangles, 12 squares …
