Polyhedral Mesh to Solid is for that difficult Mesh, which won’t convert to 3D Solids because of self-intersecting faces etc. It also locates the Center of Mass for a single or a group of objects.

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

Automates the geometric design of stormwater ponds in Autodesk® Civil 3D®.

KeySurfaceFix allows you to find and repair holes in an Autodesk® Civil 3D® surface so that your surface more accurately reflects the existing site and design proposals.

Exports surface labels and corresponding properties to text file. Imports into any drawing based on new surface selection and maintains their settings.

Productivity Tools for Surfaces and Profiles.

Generates an Autodesk® AutoCAD® label of a selected surface's statistics.

Plugin for design urban drainage and sewage systems.

QuickVolumes quickly calculates the cumulative volume of a lake, pond or a reservoir and creates a table that shows the stage and accumulated volumes at a user-defined elevation interval.

TBN2C3D is a BIM toolkit to boost your productivity in Autodesk® Civil 3D®.

Program for calculating the distribution of earth moving in linear works