App for Autodesk® AutoCAD® makes it easy to create or draw a catenary curve as a polyline by specifying the start and endpoint and the length/immediate point/sag and optionally a diameter(width)

JTB Steel is an Add-in running inside Autodesk® AutoCAD®, adding powerful command features to help you draw simple and complex steelwork frames and details efficiently.

JTB Steel is an Add-in running inside Autodesk® AutoCAD®, adding powerful command features to help you draw simple and complex steelwork frames and details efficiently.

This app can be used to select entities based on the properties of the selected sample entity. All supported properties of the entity will be displayed in a DCL box.

Creates multiple-types of 3D screw and/or fastener hardware with a variety of head types in Imperial and Metric units. It comes with built–in post-processing tools for block modifications.

Block library management tool

The ArchBlocks Hatch Patterns library for AutoCAD® gives you 376 hatch patterns for architectural, interior, geological, mechanical, and landscape designers. Compatible with ALL versions of AutoCAD.

Title Block Exchange Application is a feature-rich, easy-to-use tool to help users maintaining delivery information, updating whole project drawings' title blocks with Excel register by a few click.

Automates the modification of pipe networks in Autodesk® Civil 3D®.

This plug-in can be used with Autodesk® AutoCAD® to synchronize the Reference Name of an XREF with the actual file name of the reference file.

Calculates the elevations of two crossing pipes and inserts a leader with text showing the invert of the higher pipe and crown of the lower pipe.

Set the reference alignment of selected parts or entire network with one command.

Application to change the style of multiple pipes or structures to a user specified style that exists in the drawing. Capable of doing an entire network or selected parts only.

Set the reference surface of selected parts or entire network with one command.

Automation development according to GOST.

Background color changer for OSNAPZ.

MatchProfiles is a plugin for Autodesk® Civil 3D® that allows users to quickly match the settings of different profile views.

Revolve-2-3D takes a 2D profile and converts it to a 3D revolved solid. Options include user specified degrees for revolve and conversion to a 3D solid or 3D surface.

SDUCT allows you to create double line HVAC ductwork in Autodesk® AutoCAD®.

A collection of automation tools and an extensive block library which simplifies the creation of drawings that conform to the PWGSC National CADD Data Standard.

Create a cross sectional noise map with multiple traffic noise sources. Interactive calculation of noise barrier height with multiple sources and receivers.

This command allows you to select two or more dimension objects and join to form a single dimension object.

Tetris version for Autodesk® AutoCAD®

Corridor multiple targets (CMT) is an add-in tool for Autodesk® Civil 3D®. This tool attempts to simplify targeting of complex corridors using text filters and using modelspace entity selection.