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).

Manage drawings with many layouts more easily in a palette

Manage drawings with many layouts more easily in a palette.

Align text or other objects on lines, arcs, polylines, featuring many other "plus" commands.

Align text or other objects on lines, arcs, polylines, featuring many other "plus" commands.

DWG Columns freeware shows the DWG and DXF version in Explorer columns or in file dialog boxes within Autodesk® AutoCAD® or other applications.

Show the DWG and DXF version and properties and metadata in Explorer columns or in file dialog boxes within Autodesk® AutoCAD® or other applications.

Copy, rotate objects in an array-like way. Break purlins lines to show lappings in few clicks.

Array rebar dot over line, polyline, or arc

Converts arc shapes created with multiple vectors into smooth polyline arcs.

Lisp allows continuing drawing Polyline, 2D polyline, 3D Polyline, MultiLine, or Line starting from the selected end.

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

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.

Selection Manager is used to save and use selection sets in any drawing file. The selection sets are saved in the drawing and can be restored by anyone with the Selection Manager application.

Selection Manager is used to save and use selection sets in any drawing file. The selection sets are saved in the drawing and can be restored by anyone with the Selection Manager application.

Selection Manager is used to save and use selection sets in any drawing file. The selection sets are saved in the drawing and can be restored by anyone with the Selection Manager application.

MeteorSpec LT is a toolkit for electrical designers. Analysis and design of 0.4 kV networks. Calculators for electricians and totally customizable tool for summarizing lengths and areas of polylines.

SXF 形式（sfc/p21/sfz/p2z）の入出力、および J-LandXML 形式（.xml）の出力に対応するツールです。

Selection Manager is used to save and use selection sets in any drawing file. The selection sets are saved in the drawing and can be restored by anyone with the Selection Manager application.

Attribute updater for Current/multiple files.