App for Autodesk® AutoCAD® makes it easy to create or draw a catenary curve as a polyline by specifying the start and end point and the length/immediate point/sag and optionally a diameter(width)

TotalBoundary easily generates outlines of complex drawings.

The all-powerful Google Earth extension for Autodesk® AutoCAD® that gives you the complete 3D view of your project's area, anywhere, in less than 5 minutes.

Easily convert those old leaders and text to Mleaders!

Pick on a drawing entity and place text in the drawing listing the entity's area.

Identify Northing and Easting of a point on the screen

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.

Zero Level Pro plugin for Autodesk® AutoCAD® is designed to benefit users for calculating the vertical sections levels in all engineering fields to save time and effort and give more accuracy.

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

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

Catenary is the curve of an idealized free hanging cable supported at its ends. This app provides several commands to draw this U-like shape in Autodesk® AutoCAD® utilizing different input parameters.

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.