A basic recursive random tree generator in 2D and 3D.

Dynamic parabolic curve generator in Autodesk® AutoCAD® and Autodesk® Civil 3D®.

Dynamic grade line generation/query tool.

Interactively positions text characters along lines, polylines, splines, circles, arcs, and ellipses.

Dynamic grade line generation/query tool.

A set of dynamic tools to work with Clothoid transition curves in Autodesk® AutoCAD®.

SPCAD is a useful aid for the general workflow of engineers, geospatial professionals, architects, town planners, and manufacturers.

This app is a powerful tool developed using VB.NET that allows you to count the number of each object and export the values to an Excel file.

Calculates the Total Length and Total Area of multiple objects of selected type(s) and exports the values to an Excel file.

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

Extract text tables from Autodesk® AutoCAD® drawings and save them as CSV files.

Spatial Manager™ for Autodesk® AutoCAD® is a powerful AutoCAD plug-in designed for AutoCAD users who need to import, export, and manage spatial data simply, fast, and inexpensively.

Enables configuration and use of drop-down lists in attributed block tag values and editing multiple block attributes at the same time.

A productivity tools package for AutoCAD, both plain and vertical applications, versions 2012 and later. It contains additional commands and plug-in features to increase your efficiency every day.

Import & export objects, images, terrain meshes, and 3D models between Google Earth™ and Autodesk® AutoCAD®.

Plex-Earth brings design-ready imagery, terrain, and Google Earth tools into AutoCAD® and Civil 3D®, powered by Airbus, Maxar, Nearmap, and more. It is built for engineers to design faster & smarter.

Bring Google Maps into Autodesk® AutoCAD® & Civil 3D® for FREE. Instantly georeference your drawing, access key Google Earth tools, & explore your site with real-world clarity. No GIS skills needed.

Some special commands to work with polylines.

This function draws a sheet of the selected dialog window size and scale.

A plug-in from Esri that brings ArcGIS feature layers, maps, and imagery to CAD professionals working in Autodesk® AutoCAD® and Autodesk® Civil 3D®.

JTB Spot Elevation is an app to insert surveying Spot Elevation blocks and manage them on an Edit Properties spreadsheet.

JTB Spot Elevation is an app to insert surveying Spot Elevation blocks and manage them on an Edit Properties spreadsheet.

Populate polyline areas to block's attributes.

Convert model space title blocks to layouts