Easily model spill-cone-shaped surfaces, update the original surface and compute volumes in Autodesk® Civil 3D® with dynamic preview of the results.

Creates an average surface slope report based on the contour lengths and an average surface slope report based on contour lengths by slope ranges.

Morphs one polyline into another by generating intermediate polylines at arbitrary stages of the process.

TBN2CAD is a package of plugins for Autodesk® AutoCAD® to work with maps and images and also ease some design procedures.

Productivity tools for Lot Grading.

Move polylines to an elevation value stored in an Object Data field.