Arc Second and ATT Metrology Services Join Forces
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Arc Second and ATT Metrology Services Join Forces

Leading Metrology Consulting Group Becomes Constellation 3Di Integration Partner

DULLES, Va.--(BUSINESS WIRE)--Aug. 1, 2002--Arc Second, Inc., the leading provider of 3D-Intelligence products, today announced that ATT Metrology Services, Inc., one of the world's leading metrology consulting companies, has become a Constellation 3Di Integration Partner.

ATT Metrology Services and Arc Second will work together to customize and install Constellation 3Di based solutions for advanced industrial metrology applications.

According to Arc Second's president and CEO, Edward Barrientos, "ATT is one of the most respected providers of metrology services in the world. Their expertise and experience in solving tough metrology problems will be key in expanding Constellation 3Di in aerospace, shipbuilding and other metrology intensive applications."

"The vision of an indoor GPS metrology solution has been around for quite some time," commented Steve Ihlenfeldt, CEO of ATT Metrology Services. "By actually building such a system, Arc Second has positioned itself to radically change the metrology marketplace as well as the manufacturing process itself."

About Constellation 3Di

Constellation 3Di was developed utilizing Arc Second's proprietary 3D-Intelligence technology and is the first proven indoor GPS system with the accuracy, reliability and utility to support large-scale metrology. Using signals from transmitters that emit infrared light, small receivers can calculate their position coordinates independently.

Like GPS, the number of receivers in a single workspace is unlimited. Uses include the measurement and inspection of large tooling, sub-assemblies and infrastructure in the aerospace, automotive, rail, and shipbuilding industries.

Constellation 3Di is providing facility owners, metrologists, toolmakers and other users of accurate coordinate data with unparalleled flexibility in collecting critical metrology data. For more information about Constellation 3Di, go to

About Arc Second, Inc.

Arc Second develops, manufactures and markets 3D-Intelligence (3Di) measurement and tracking products and mobile CAD software solutions. Arc Second markets its products to the construction, architecture, manufacturing, product design, forensics, aerospace, virtual reality and movie special effects sectors.

Founded in 1990, Arc Second is a privately held company located in Dulles, Virginia in the heart of the Northern Virginia technology corridor. For more information about Arc Second, go to

About ATT Metrology Services, Inc.

ATT Metrology Services, Inc. is a world-leading provider of precision measurement consulting and equipment leasing services utilizing the most advanced three-dimensional measurement equipment and software available. ATT Metrology Services develops customized measurement systems that integrate hardware, software and graphical user interfaces.

Reverse Engineering services are offered using state-of-the-art measurement techniques. For more information about ATT Metrology Services go to

PocketCAD, Arc Second, and 3D-Intelligence are registered trademarks of Arc Second, Inc. Constellation 3Di, The Mobile CAD Standard and Indoor GPS are trademarks of Arc Second, Inc. Other trademarks may be the property of their respective owners.

     Arc Second, Inc., Dulles
     Marg Donnelly, 703/435-5400 ext. 231