Exhibit 32.2
CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
This certification is provided pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 and accompanies the Annual Report onForm 10-K/A (the“Form 10-K/A”) for the year ended December 31, 2006 of 3D Systems Corporation (the “Issuer”).
I, Fred R. Jones, the Principal Financial Officer of the Issuer, certify that, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge:
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| | (i) | theForm 10-K/A fully complies with the requirements of Section 13(a) or Section 15(d) of the Securities Exchange Act of 1934; and |
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| | (ii) | the information contained in theForm 10-K/A fairly presents, in all material respects, the financial condition and results of operations of the Issuer. |
Date: August 2, 2007
Name: Damon J. Gregoire
