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

AutoFEM Analysis provides the free software solution of finite element analysis for Autodesk® AutoCAD® 2013 - 2020. The system is fully integrated into AutoCAD 3D environment.

AutoFEM Analysis Tutorial allows you to learn the finite-element analysis of mechanical structures. It can be used separately or together with AutoFEM Analysis - finite-element analysis software.

TBN2CAD is a package of plugins for Autodesk® AutoCAD® to work with maps and images and also ease some design procedures.

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

CADsecurity Signature helps you to place watermarks and well-hidden signatures in your drawing as prevention or protection against unauthorized copying of a drawing's parts.