Imports.OBJ mesh files into Autodesk® AutoCAD® as PolyFace mesh objects.

Create Flexible HVAC Ducts dynamically.

Creates 3D steel saddles for horizontal vessels.

JTB Quick Perspective for Autodesk® AutoCAD® will transform Points, Lines, straight Polylines, and "landscape" Blocks to perspective view drawing, all in 2D working space.

JTB Quick Perspective for Autodesk® AutoCAD® will transforms Points, Lines, straight Polylines and "landscape" Blocks to perspective view drawing, all in 2D working space.

Iron Valves 3D allows the user, without having to change the UCS, to easily place valves in various 3D views by selecting one of the toggles on the dialog. Also, these valves are realistic-looking.

Carbon Steel Buttweld Fittings 3D App will revolutionize the way you do 3D Piping drawings. The Pipe Spool feature makes it easy to add a pipe segment with selected starting and ending fittings.

Tanks3D includes five vertical tank styles and three horizontal vessel types. The program has a simple dialog box interface allowing the user to specify the dimensions.

This command can be used to add a description for Cogo Point and create Point Group.

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

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

Corridor EZ automates road subdivision design and Civil 3D® production with specialized curb return and cul-de-sac tools, as well as output of profiles, profile views, feature lines and corridors

Dynamic parabolic curve generator in Autodesk® AutoCAD® and Autodesk® Civil 3D®.

Quick cogo point table generator.

Label multiple Alignments.

Create Corridor for all Autodesk® Civil 3D® Alignments in single click.

Powerful application for designing electrical parts of street lighting installations. It fully automates all electrotechnical calculations, computations of specifications and drawings of schemes.

It is an advanced, complex-shape, mathematical drawing tool for Autodesk® AutoCAD®, that draws complex shapes (either 2D curves, 3D curves or 3D surfaces), that are not available as AutoCAD commands

It calculates flat (unfolded) sheet development of ducts, rectangle to round transitions, cylinders, cones, intersections, connections, Ys, elbows, etc. For HVAC, hoppers, cyclones, ducts, silos, etc.

The Express Document Tab program is a utility program that makes it easy to switch between DWG drawings in Autodesk® AutoCAD®.

Confirmed to work with the leading slope stability software, this app automates the export process of profiles to DXF format for importing into slope stability software.

QuickVolumes quickly calculates the cumulative volume of a lake, pond or a reservoir and creates a table that shows the stage and accumulated volumes at a user-defined elevation interval.

Automatically creates an Autodesk®Civil 3D® alignment and profile from existing 3D polyline (3Dpoly) objects.

The complete solution in 2D. This app provides several commands to draw the Catenary curve in Autodesk® AutoCAD® utilizing different input parameters