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)

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.

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

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 XrefStates plugin can be used to simplify the use of multiple Externally Referenced drawings inside AutoCAD®.

Many AutoCAD® users have reference files set up in World coordinates. Attaching such files when in a different User Coordinate System (UCS) can result in the contents appearing at incorrect locations.

The FacetCurve plugin can be used to facet 2D and 3D curves in AutoCAD® to approximate their curvature with a number of straight line segments. The faceted output is in the form of a number of lines

The Clipboard Manager plugin can be used with Autodesk® AutoCAD® to manage multiple clipboard entries, storing and renaming them for later use.

Make changes to multiple drawings in an automated way. Batch processing made easy.

Make changes to multiple drawings in an automated way.

Scatter selected regularly placed drawing objects by random nudging.

Automatically search and print drawings (formats) in multiple open Autodesk® AutoCAD® documents

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.

Background color changer for OSNAPZ.

This app can be used with Autodesk® AutoCAD® to enable the OFFSET command to work with externally referenced drawings, blocks, and lines within associated arrays, dimensions and tables.

App to simplify layer override settings within viewports.

Powerful spreadsheet app to batch edit attributes of blocks across multiple drawings.

Powerful spreadsheet app to batch edit attributes of blocks across multiple drawings.

App to quickly copy a rectangular window of selected objects out from your drawing, and trim everything outside the window's edges. The result can be copied to the current drawing or to the clipboard.

App to quickly copy a rectangular window of selected objects out from your drawing, and trim everything outside the window's edges. The result can be copied to the current drawing or to the clipboard.

Batch and script utility for processing multiple Autodesk® AutoCAD® drawings.

Batch and script utility for processing multiple Autodesk® AutoCAD® drawings.

JTB Sheet Set Creator is an app for Autodesk® AutoCAD® that creates new Sheet Sets and Sheets (drawings) based on an Excel template for usage in Sheet Set Manager.