Home Made Inkjet

From: AHastbacka@aol.com
Date: Sat Jun 08 2002 - 19:49:22 EEST


Al Hastbacka

3D Systems Gains License Rights to Additional 3-D Printing Technology

VALENCIA, Calif., April 29, 2002 - 3D Systems Corp. (Nasdaq: TDSC) today
announced it has entered into an exclusive license agreement, including
enforcement rights, with Richard Helinski of Narragansett, R.I., fundamental
to dispensing multiple solidifiable materials from an inkjet print head to
form three-dimensional objects.

The license of U.S. Patent No. 5,136,515 grants 3D Systems the right to sue
for past, present and future patent infringement and recover profits and
damages, as appropriate. The patent also pertains to the use of "radiation
curable" material dispensed from a print head to form three-dimensional

"These licensed patent rights are a valuable addition to 3D Systems'
portfolio of intellectual property," said Chuck Hull, chief technology
officer. "They allow us to improve our technology and further enhance our
development of the multi-jet modeling (MJM) product line. We look forward to
announcing more advancements in this area in the near future."

Helinski was active in the early development work relating to phase-change
color inkjet printing technology while at Howtek Inc. of Hudson, N.H., and
holds eight U.S. patents.

About 3D Systems

Founded in 1986, 3D Systems provides solid imaging products and solutions
that help reduce the time and cost of designing products and facilitate
direct and indirect manufacturing. Its systems utilize patented technologies
that create physical objects from digital input.

3D Systems currently offers the ThermoJet(R) solid object printer, SLA(R)
(stereolithography) systems, SLS(R) (selective laser sintering) systems, and
Accura(tm) materials. Product pricing in the U.S. ranges from $49,995, for
the ThermoJet printer, to $799,000 for the high-end SLA 7000 system. The
company licenses the complementary 3D Keltool(R) process, a method for
producing steel mold inserts, and currently is developing systems that use
composite paste materials for direct manufacturing.

More information on the company is available at www.3dsystems.com, or by
phoning 888/337-9786, extension 814, or 661/295-5600 internationally. An
investor packet can be obtained by calling 800/757-1799.

Note to editors: Accura is a trademark, and ThermoJet, SLA, SLS, Keltool and
the 3D logo are registered trademarks of 3D Systems Inc.

Certain statements in this news release may include forward-looking
statements which express the expectation, prediction, belief or projection of
3D Systems. These statements involve known and unknown risks, uncertainties
and other factors that may cause the actual results, performance and
achievement of 3D Systems to be materially and adversely different from any
future results, performance or achievement expressed or implied by these
forward-looking statements. Factors that may cause actual results to differ
from the forward-looking statements contained in this release and that may
affect the company's prospects in general include, but are not limited to:
world economic conditions; the ability to timely and cost-effectively
identify and obtain or independently develop resins adequate for use with 3D
Systems' products; the funding of amounts of capital adequate to provide for
the working capital needs of the company; actions of competitors and
customers; reliance on single or limited suppliers; and such other factors as
are described in the company's filings with the Securities and Exchange
Commission, including annual reports on Form 10-K for the year ended Dec. 31,
2001, and 3D Systems' current report on Form 8-K filed on March 21, 2002.


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