Terrain for AutoCAD 

Terrain for AutoCAD is a terrain modeling plug-in for AutoCAD. This plug-in gives AutoCAD the ability to create a terrain mesh from a set of unordered points.
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Terrain for Rhino 3.0 

Terrain for Rhino is a terrain modeling plug-in for Rhinoceros (commonly known as Rhino). This plug-in gives Rhino the ability to create a terrain mesh from a set of unordered points.
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