Generates an Autodesk® AutoCAD® Tool Palette with buttons that correspond to the current drawing's object/label styles. Click button to apply style.

Automates the process of copying a Autodesk® AutoCAD® Civil3D® surface profile, then raising or lowering it a specific value.

Copies Profile View Labels from one Profile view to another.

Creates an Autodesk® AutoCAD® Civil 3D® TIN Surface below an Autodesk® AutoCAD® solid entity that cuts through the surface.

Productivity tools for Pipe Networks.

Extracts all of the boundaries from surfaces in the drawing.

The application for modeling curves and surfaces of high quality on criteria of smoothness.

Carlson Connect is a collection of routines for transferring and converting data between Autodesk® AutoCAD® Civil 3D® and Carlson Software applications.

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

This program calculates the offset distance of multiple points to a straight line consisting of an alignment (polyline). Handles easily 1000k points in .txt formats.

Calculate pond/detention basin storage capacities, water surface elevations, and stage storage quantities with ease.

Apply color themes to surfaces using elevation ranges.

Apply themed colors to surface showing slope analysis.

Terra Power Tools - Lite Edition allows you to perform complex volume calculations between multiple Autodesk® AutoCAD® Civil 3D® surfaces using material tables.

Terra Power Tools - Professional Edition allows you to perform complex volume calculations between multiple Civil 3D surfaces using material tables, visualize results in 3D, and much more...

Batch create files with surfaces with PNEZD text and csv files

This plug-in sets cross hairs at a slope specified using Angle, Rise/Run or Percent Grade.

Breaks the selected dimensions by the specified points

Merge surfaces end-to-end with smooth blending across gaps and transitions; Use SmartPaste to combine surfaces with interior voids.

Draws normal (perpendicular) vectors of 3D Faces, finds backfaces, flips 3D Faces (front/backface).

CADext provides crossing utility drawing, layer order based draw order, attribute data attaching, and table export for users who would like to maximize the value of their CAD system.

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