EXHIBIT 99.3

               3D SYSTEMS APPOINTS SALES, MARKETING VICE PRESIDENT

VALENCIA, Calif.--(BUSINESS WIRE)--Sept. 23, 1999--3D Systems Corp. (Nasdaq
NM:TDSC - news) Thursday announced the appointment of Clark Hardesty to vice
president of sales and marketing worldwide.

He succeeds Charles Wilson, who left the company this March.

Hardesty will report directly to Brian Service, 3D Systems' chief executive
officer. "Clark has a wealth of experience in the area of capital equipment,
which will be invaluable for advancing our SLA sales," said Service. "He also
maintains relationships with our existing and potential customer base as a
result of his previous positions."

Prior to joining 3D Systems, Hardesty, age 50, was the owner of a manufacturing
company serving the aerospace industry, with a customer list that included
Boeing, Rocketdyne, TRW and Hughes. He has more than 25 years of experience in
marketing and sales management within Fortune 500 consumer product and business
services companies.

Hardesty has a bachelor's degree from Northeastern University, a master's degree
in organizational behavior from Harvard University, and a master's degree in
business administration from Case Western Reserve.

About 3D Systems

3D Systems provides solid imaging products and services that allow users to move
quickly from three-dimensional designs to finished parts, at a significantly
lower cost and higher quality than more traditional methods.

The company's systems utilize patented stereolithography (SLA) and 3D printing
technologies, which fabricate solid objects from digital input. This process
offers significant competitive advantages by substantially reducing the time and
cost required to design, develop, and manufacture products.

The company also licenses 3D Keltool(R), a commercially proven moldmaking
solution that produces prototype, bridge, and production tooling inserts.

Based in Valencia, 3D Systems was founded in 1986 and is recognized as the world
technology and market leader in solid imaging. For additional information, phone
888/337-9786, ext. 718 or visit the company's Web site at www.3dsystems.com. For
investor information, call 3D Systems' shareholder communications service at
800/757-1799.

Note to Editors: 3D Systems and SLA are trademarks, and Keltool and the 3D logo
are registered trademarks of 3D Systems.