3D Systems' SLS Technology Featured at the ``Extreme Textiles'' Exhibition at the Smithsonian's Cooper-Hewitt, National Design Museum.

VALENCIA, Calif. -- Los Angeles-based TESTA Architecture/Design utilizes Selective Laser Sintering for large-scale models of Carbon Tower Prototype

3D Systems Corporation (Nasdaq:TDSC), a leading provider of rapid 3-D printing, prototyping and manufacturing solutions, together with the design team at TESTA Architecture/Design, announced today the inclusion of selected laser sintered (SLS(R)) models of the Carbon Tower Prototype in the "Extreme Textiles: Designing for High Performance" exhibition.

The Carbon Tower Prototype demonstrates a new construction system for an all-carbon and glass-fiber high-rise office building that is woven, knitted and braided. This 40-story prototype, engineered with ARUP software, is several times lighter and stronger than conventional steel and concrete structures. Given the intricate nature of the tower design, it was not possible to construct architectural models with traditional modeling materials and techniques. Using 3D Systems' Selective Laser Sintering (SLS(R)) technology, the very large model measuring 60 inches by 14 inches in diameter was fabricated in only five interlocking pieces from digital files prepared by TESTA.

"We are delighted that our Selective Laser Sintering technology was chosen to produce the Carbon Tower Prototype," said Abe Reichental, 3D Systems' President and Chief Executive Officer. "The exceptional strength and micro-detail of laser sintered parts enabled TESTA Architecture/Design architects to rapidly produce durable models of this complex and intricate structure that would have been virtually impossible to make with any other technology."

"Extreme Textiles: Designing for High Performance" is the first museum exhibition devoted to the subject of technical textiles. The exhibition, curated by Matilda McQuaid, Exhibitions Curator and Head of Cooper-Hewitt's Textiles Department, presents over 150 extreme textile applications from a wide range of areas, including architecture, apparel, medicine, transportation, aerospace and the environment. "Extreme Textiles" was organized by the Smithsonian Institution's Cooper-Hewitt, National Design Museum. The materials and fabrication of the Carbon Tower models were provided by 3D Systems.

"Extreme Textiles: Designing for High Performance" exhibit will be on view from April 8 to October 30, 2005 at the Cooper-Hewitt, National Design Museum, 2 East 91st Street, New York, New York. For more information, visit the museum website at http://ndm.si.edu.

About 3D Systems Corporation

Founded in 1986, 3D Systems is a leading provider of rapid 3-D printing, prototyping and manufacturing solutions. Its systems and materials reduce the time and cost of designing products and facilitate direct and indirect manufacturing by creating actual parts directly from digital input. These solutions are used for design communication and prototyping as well as for production of functional end-use parts: Transform your products.

More information on the company is available at www.3dsystems.com, or by phoning 888-337-9786, ext. 2882 (or 661-295-5600, ext. 2882 from outside the United States), or via email at [e-mail].