411 REFERENCE · Wikibooks
HydroGeoSphere/Interactive 3-D Mesh Generator
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Irregular grids can be generated by supplying nodal coordinates, element incidences and element zones for a 2-D slice which is composed of triangular or quadrilateral elements. Currently, triangles and quadrilaterals can not be mixed in the same slice. These slices can then be replicated to form a 3-D mesh composed of 6-node prisms (from triangles) or 8-node hexahedra (from quadrilaterals).