rhombic form
31Bicupola (geometry) — Set of bicupolae Faces 2n triangles, 2n squares 2 n agon Edges 8n Vertices 4n Symmetry group Ortho …
32Lattice (group) — A lattice in the Euclidean plane. In mathematics, especially in geometry and group theory, a lattice in Rn is a discrete subgroup of Rn which spans the real vector space Rn. Every lattice in Rn …
33Zome — The term zome is used in several related senses. A zome in the originalsense is a building using unusual geometries [http://www.cyberarchi.com/actus dossiers/logement individuel/index.php?dossier=69 article=2896] (different from the standard… …
34Conway polyhedron notation — This example chart shows how 11 new forms can be derived from the cube using 3 operations. The new polyhedra are shown as maps on the surface of the cube so the topological changes are more apparent. Vertices are marked in all forms with circles …
35Dual polyhedron — The dual of a cube is an octahedron, shown here with vertices at the cube face centers …
36Disdyakis triacontahedron — Click on picture for large version spinning version Type Catalan Face polygon scalene triangle Faces 120 Edges …
37Dacian bracelets — Dacian gold bracelet, dated to 1st century BC – 1st century AD, from Sarmizegetusa Romania [1][2] …
38Modular origami — A stellated icosahedron made from custom papers Modular origami, or unit origami, is a paperfolding technique which uses multiple sheets of paper to create a larger and more complex structure than would be possible using single piece origami… …
39Parallelepiped — In geometry, a parallelepiped (now usually pronEng|ˌpærəlɛlɪˈpɪpɛd, ˌpærəlɛlɪˈpaɪpɛd, pɪd; traditionally IPA|/ˌpærəlɛlˈʔɛpɪpɛd/ [ Oxford English Dictionary 1904; Webster s Second International 1947] in accordance with its etymology in Greek… …
40Disphenoid — The tetragonal and digonal disphenoids can be positioned inside a cuboid bisecting two opposite faces. All four faces are isosceles triangles. Both have four equal edges going around the sides. The digonal has two sets of isosceles triangle faces …
