It calculates flat (unfolded) sheet development of ducts, rectangle to round transitions, cylinders, cones, intersections, connections, Ys, elbows, etc. For HVAC, hoppers, cyclones, ducts, silos, etc.

The Express Document Tab program is a utility program that makes it easy to switch between DWG drawings in Autodesk® AutoCAD®.

Confirmed to work with the leading slope stability software, this app automates the export process of profiles to DXF format for importing into slope stability software.

Pipe Network and Documentation productivity tools, such as set slope/elevation for multiple pipes, swapping multiple parts, Edit Sheet Set properties; Manage Sheet Set Revisions...

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.

Automatically creates an Autodesk®Civil 3D® alignment and profile from existing 3D polyline (3Dpoly) objects.

Running Slope Updater - PipesRun

The complete solution in 2D. This app provides several commands to draw the Catenary curve in Autodesk® AutoCAD® utilizing different input parameters

Import PTS file to Autodesk® AutoCAD® Points. Resulting DWG can be imported to Autodesk® Revit® Family Editor

Cadsum STL Exporter for Autodesk® AutoCAD® exports AutoCAD models to STL files in Binary (with color) and ASCII format.

Cadsum STL Exporter for Autodesk® AutoCAD® exports AutoCAD models to STL files in Binary(with color) and ASCII format.

Cadsum FBX Exporter for Autodesk® AutoCAD® exports AutoCAD drawing to FBX file format.

Cadsum FBX Exporter for Autodesk® AutoCAD® exports AutoCAD drawing to FBX file format.

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.

Automates the process of appending Autodesk® AutoCAD® polylines to existing Autodesk® Civil 3D® alignments, allowing polyline translations and checking/correcting sub-entity direction.

Draws markers at user selected locations along Autodesk® Civil 3D® Alignments, Profile Views, Sample Lines and Section Views.

Helps automate the conversion of a regular 2D polyline to an Autodesk® Civil 3D® profile and apply it to an existing Civil 3D alignment.

Replaces the last profile entity with the exact same profile entity. This provides a method to remove the extended portion of a profile after the extension.

Generates successive polyline approximations of lwpolyline/polyline3d objects to smooth out the original shape but keep the overall polyline trend.

A simple 2D maze generation app. It can also be used to generate random hatch patterns.

A native Autodesk® AutoCAD® Lindenmayer System (L-System) generator/processor. Draw complex shapes/fractals through the use of iteration.

Open Source data platform for the AEC industry.

Infrasync is an app used to create a linked pipe network from files created using various analysis software and maintain the link to update/sync the pipe network with minimum effort.

Transferring coordinates from Autodesk® Civil 3D® to Autodesk® Revit®