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.

Easily export drawings to NWC format with this plug-in.

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

KILOMETRICA allows you to transform the content of texts or attributes into kilometer notation, i.e. a representation of the distance in the format with the prefix "km" "kilometer"+"meters.

COORDINATE is a program for Autodesk® AutoCAD® which allows you to export or draw the coordinate values of the objects present in the drawing.

With Chaos, you can randomly distribute Points or Blocks in the drawing using a sizable Brush.

LRailplan is a professional railway route design software. It is an all-in-one solution for the integrated process of railway alignment design, enabling you to design with skill and ease.

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.

The app contains Autodesk® Civil 3D® tools for efficient CAD management, including content and template creation and editing, and three commands that are available in all Autodesk® AutoCAD® platforms.

Unfolds sheet metal elbows and cylindrical segments. A segment is part of a cylinder intersected by two arbitrary planes.

Sheet metal pipes need shaped elements. Three types are presented here: transition from rectangular to circular section, straight reducing cone, and eccentric reducing cone.

Obtaining the section or unfolding ( developing ) of a cone intersected by a plane or the unfolding ( developing ) of a winding of a conical or cylindrical shnek is used.

Batch export/ import Block refs. position, attributes, dynamic properties to/from Microsoft® Excel® worksheet

Ceethreedee Free tools for Autodesk® Civil 3D®. Batch Create stuff / extracting strings from surfaces / and more!

A tool for smart and simple geometric modeling of pipe networks. Using it, you can import networks to AutoCAD®, create longitudinal profiles, check crossing points, and export BIM models very quickly.

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