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.

Data Exchange for Civil 3D® Connector allows you to create and share Data Exchanges and consume Data Exchanges that are created and shared by other Autodesk® and non-Autodesk applications.

"GLTF Exporter for Autodesk® AutoCAD®” exports the model to a glTF (.glTF) and GLB (.GLB) file.

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.

Generate a coordinate table for polylines and 3Dpolylines. Select whether to add labels to the objects and choose the information to include in the table: elevation, distance, bearing, and azimuth.

Plugin for creating descriptive memorials for parcels and subdivisions.

Clean, optimize and reduce current drawing and its xreferences dwg files.

Compresses ETransmit(zip) file content sequentially.

A sub product of Surface Productivity tools.

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.

Identify Northing and Easting of a point on the screen.

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.

Productivity Tools for Surfaces and Profiles.

A sub product of Surface Productivity tools.

3D PDF Exporter for Autodesk® AutoCAD® exports your model and sketches to a secured and encrypted 3D PDF file.

3DPDF Exporter for Autodesk® AutoCAD® exports your model to a secured and encrypted 3D PDF file.

“JSON Exporter For Autodesk® AutoCAD®” exports the model to a JSON (.json) file.