From Russia with CAD
Press-releases      10 Mar 2009

LEDAS Opens Driving Dimensions Labs

Novosibirsk, Russia, March, 10, 2009 - LEDAS Ltd, a leading provider of computational software components for computer-aided design (CAD) systems, today launched the Driving Dimensions Labs as a part of its web site. Driving Dimensions Labs is the space for new technology: here visitors can see some of LEDAS prototypes in action.

"Users of many CAD systems based on history-free modeling still suffer from lack of parametrization", said Dmitry Ushakov, Director of Product Management, LEDAS Ltd. "Driving Dimensions for Google SketchUp was only the first product in the line. Driving Dimensions Labs has been created to share our ideas with the users of other CAD systems. We appreciate any feedback on these prototypes at"

Now Driving Dimensions Labs contains several movies that demonstrate Driving Dimensions prototypes working in different CAD environment. They are not in beta stage, but users can see how the idea of dimension-driven design can be implemented in different CAD.

AutoCAD®, the world's most popular CAD software, still lacks for parametric modification of its drawings (up to 2009 version). Driving Dimensions Labs presents a prototype working in AutoCAD 2007.

Users of Rhino 3D, a popular 3D modeling software, can gain a lot of their time by using a bottom-up constraint-driven assembly design. Forward kinematic animation is only one of the features LEDAS does research when prototyping Driving Dimensions for Rhino 3D.

Please visit to see the movies demonstrating these prototypes in action.

About Driving Dimensions

Driving Dimensions are end-user applications developed by LEDAS as plugins for popular 2D and 3D modeling systems to provide advanced parameterization capabilities to their users. Driving Dimensions are based on the Variational Direct Modeling technology, which uses direct (history-free) editing model elements, preserving its design intent, expressed by explicit and implicit driving dimensions (linear, angular, radial) and geometric constraints. Simultaneous satisfaction of geometric and dimensional constraints is achieved with LGS variational geometric solver, which is being developed by LEDAS since 2001 and is available for licensing to all CAD developers.


LEDAS Ltd. is an independent software development company founded in 1999; it is based in Novosibirsk Scientific Centre (Akademgorodok), Siberian Branch of the Russian Academy of Science. A leader in constraint-based technologies, LEDAS is a well-known provider of computational software components for PLM (Product Lifecycle Management) solutions: geometric constraint solvers for CAD/CAM/CAE, optimization engines for Project Management, Work Scheduling and Meeting Planning as well as interval technologies for Knowledge-Based Engineering and Collaborative Design. The company also provides services for PLM market: software development, consulting, reselling as well as education and training. More information about LEDAS is available at

LEDAS Marketing Department
Phone: +7 383 3356 504
fax: +7 383 3356 256

Google SketchUp is a registered trademark of Google, Inc.
AutoCAD is a registered trademark of Autodesk, Inc.
Rhino is a registered trademark of Robert McNeel & Associates

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