TerrainCAD for Rhino is a terrain modeling plug-in for Rhinoceros
EditByBSEditor: TerrainCAD for Rhino is a terrain modeling plug-in for Rhinoceros? 3.0 and 4.0. This plug-in gives Rhino the ability to Create a terrain mesh from a set of unordered points, lines and polylines. The terrain mesh is created as a Delaunay Triangulation, which is regarded as the best method to create a terrain mesh from unorganized point data. TerrainCAD for Rhino is powered by TerrainLib, a state of the art terrain modeling library developed by SYCODE.

TerrainCAD for Rhino is very easy to use. Once installed, it automatically loads itself into Rhino and adds a new submenu called TerrainCAD to the Rhino menu. you can free download TerrainCAD for Rhino 1.0 now.