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).

AutoCAD® Block ↔ Excel® data exchange, batch Block attribute creation, alignment station offset inquiry; find and numbering intersections of 2 groups, Multi files advanced Batch Plot 6-in-1 App.

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

JTB XClipClean is an Xclip-cutter app for Autodesk® AutoCAD® to clean up xrefs or blocks that have been clipped so that the information that is outside the clip is removed.

JTB XClipClean is an Xclip-cutter app for Autodesk® AutoCAD® to clean up xrefs or blocks that have been clipped so that the information that is outside the clip is removed.

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.

You can insert text bubbles to lines, curves, or draw leaders with it, or quickly make a schedule from text bubbles and/or other blocks.

Quickly renumber and insert the total number to the sheet set to show them up in fields [Sheet number]/[Total Number] in your title block.

Quickly renumber and insert the total number to the sheet set to show them up in fields [Sheet number]/[Total Number] in your title block.

A seven-parameter similarity transformation calculator in 3D space.

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.

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.

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.

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.

Inserts Text Bubbles at end of lines, arcs, polylines, splines, and leaders or at any other location of your choice. Renumber the text bubbles quickly as needed.

An app to batch change or fix file paths and names of external references in drawings. Supports Xrefs, Datalinks, Raster Images, PDFs, DWFs, and DGNs.

Inserts Text Bubbles at end of lines, arcs, polylines, splines, and leaders or at any other location of your choice. Renumber the text bubbles quickly as needed.

An app to batch change or fix file paths and names of external references in drawings. Supports Xrefs, Datalinks, Raster Images, PDFs, DWFs, and DGNs.

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

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.

ID a point on the screen and label it with a Mleader.

Identify Northing and Easting of a point on the screen.