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.

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

Exports surface analysis and corresponding properties to an *.anl text file. Imports text file and applies new surface analysis with inherited properties to selected surface.

Creates a 3D polyline at a desired grade or slope along a tin surface.

Quickly counts and exports information to a Table or Clipboard

Quickly isolates a range of contours by setting up the user contour analysis for a range of elevations.

This software helps to easily add, scale, edit and remove images with description on the drawing.

This app can be used with Autodesk® AutoCAD® to create Spirograph (TM) - like patterns. Turn AutoCAD into an educational toy that will provide hours of fun for the whole family!

Manage drawings with many layouts more easily in a palette.

Manage drawings with many layouts more easily in a palette

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

Recursively generates all possible lines along an Autodesk® Civil 3D® surface from a given start point having a specified grade.

The Sokoban plugin allows you to play the classic Sokoban game inside Autodesk® AutoCAD®!

Calculates the Total Length of multiple objects of selected type(s).

Calculates the Total Length of multiple objects of selected type(s). Inserts labels and specification of the selected objects.

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.

CADtoWIN extends the Microsoft SharePoint functionality inside of Autodesk® AutoCAD®.

CADtoWIN extends the Microsoft SharePoint functionality inside of Autodesk® AutoCAD®.

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

This command allows you to select two or more dimension objects and join to form a single dimension object.

Command set of quick selection. Selection of dynamic blocks by their VISIBILITIES or their LOOKUPS.

Tetris version for Autodesk® AutoCAD®

To serve searching and replacing text in the Autodesk® AutoCAD® drawing, such as a 'Find' method in AutoCAD.

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