UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13G

                    Under the Securities Exchange Act of 1934
                               (Amendment No. 2)*


                             3D Systems Corporation
                             ----------------------
                                (Name of Issuer)

                    Common Stock, $0.001 Par Value per Share
                    ----------------------------------------
                         (Title of Class of Securities)

                                    88554D205
                                    ---------
                                 (CUSIP Number)

                                December 31, 2005
                                -----------------
             (Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

[ ] Rule 13d-1(b)

[X] Rule 13d-1(c)

[ ] Rule 13d-1(d)

*The  remainder of this cover page shall be filled out for a reporting  person's
initial filing on this form with respect to the subject class of securities, and
for any  subsequent  amendment  containing  information  which  would  alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the  Securities  Exchange  Act of
1934 ("Act") or otherwise  subject to the liabilities of that section of the Act
but  shall be  subject  to all other  provisions  of the Act  (however,  see the
Notes).


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Schedule 13G/A

CUSIP No. 88554D205

1. Names of Reporting Persons: Jay R. Harris
   I.R.S. Identification Nos. of above persons (entities only): Not Applicable

2. Check the Appropriate Box if a Member of a Group (See Instructions):

     (a) [ ]

     (b) [ ]

3. SEC Use Only


4. Citizenship or Place of Organization: U.S.

Number of         5.  Sole Voting Power:             217,286
Shares
Beneficially      6.  Shared Voting Power:           --0--
Owned by
Each              7.  Sole Dispositive Power:        233,656
Reporting
Person With       8.  Shared Dispositive Power:      560,222

 9. Aggregate Amount Beneficially Owned by Each Reporting Person: 793,878

10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions): [ ]

11. Percent of Class Represented by Amount in Row (9): 5.13%

12. Type of Reporting Person (See Instructions): IN







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Item 1.

     (a) The name of the issuer is 3D Systems Corporation (the "Corporation").

     (b) The  Corporation's  executive  office is located at 26081  Avenue Hall,
Valencia, California 91355.

Item 2.

     (a) The person filing this statement is Jay R. Harris.

     (b) Mr. Harris' residence is 130 East End Avenue, New York, NY 10028.

     (c) Mr. Harris is a United States citizen.

     (d) The security (the  "Security")  is common  stock,  $0.001 par value per
share.

     (e) The CUSIP Number of the Security is 88554D205.

Item 3.

     Not applicable.

Item 4.    Ownership.

     (a) Mr. Harris is the  beneficial  owner of 793,878  shares of the Security
through the following:

     o his direct, personal ownership of shares of the Security;

     o his IRA;

     o his position as trustee for the Lily Harris Trust;

     o his investment discretion over the accounts of Lisa Eng and her IRA, Lisa
Eng, as custodian for Samantha Eng, and Lisa Eng, as custodian for George Eng;

     o his investment  discretion  over the accounts of Ann Lozman,  her IRA and
her Roth IRA;

     o his investment  discretion  over the accounts of Emma Lozman and her Roth
IRA;

     o his investment discretion over the account of Lesley Ochlis;


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     o his position as President of The Jay and Sandra Harris Foundation;

     o his position as General Partner of One GT Associates; and

     o his position as President of Goldsmith & Harris  Incorporated  ("G&H"), a
broker-dealer registered under Section 15 of the Securities Exchange Act of 1934
and an  investment  adviser  registered  under  Section  203  of the  Investment
Advisers Act of 1940, by virtue of G&H's investment  discretion over accounts of
its clients that hold 560,222 shares of the Security.

     The 793,878  shares of the Security of which Mr.  Harris is the  beneficial
owner includes:  (i) 29,470 shares of the Security into which the $300,000 in 6%
Subordinated Convertible Debentures of the Corporation (the "Debentures"), which
are held in certain client  accounts over which G&H has  investment  discretion,
are convertible; (ii) 66,700 shares of the Security into which the 66,700 shares
of Series B  Convertible  Preferred  Stock of the  Corporation  (the  "Preferred
Stock"), which are held in certain client accounts over which G&H has investment
discretion, are convertible;  (iii) 33,000 shares of the Security into which the
33,000 shares of Preferred Stock, which are held in Mr. Harris' IRA account, are
convertible;  and (iv) 49,116  shares of the Security into which the $500,000 in
Debentures,  which are held in the account of One GT  Associates  over which Mr.
Harris  has  sole  investment  and  voting  discretion,  are  convertible.   The
determination of the number of shares of the Security  beneficially owned by Mr.
Harris and the percentage such shares represent of all of the outstanding shares
of the  Security  was  made  in  accordance  with  Rule  13d-3(d)(1)  under  the
Securities Exchange Act of 1934.

     (b) The amount of shares of the Security  beneficially  owned by Mr. Harris
is 5.13% of the total outstanding shares of the Security.

     (c) (i) Mr.  Harris  has the sole  power to vote or to  direct  the vote of
217,286 shares of the Security.

         (ii) Not applicable.

         (iii) Mr.  Harris  has the sole  power to  dispose,  or to direct  the
     disposition, of 233,656 shares of the Security.

         (iv) Mr. Harris shares with G&H the power to dispose, or to direct the
     disposition, of 560,222 shares of the Security.

Item 5.  Ownership of Five Percent or Less of a Class.

     Not applicable.

Item 6.  Ownership of More than Five Percent on Behalf of Another Person.



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     The clients of G&H, the Lily Harris Trust,  Lisa Eng and her IRA, Lisa Eng,
as  custodian  for  Samantha  Eng,  Lisa Eng, as  custodian  for George Eng, Ann
Lozman,  her IRA and her Roth IRA, Emma Lozman and her Roth IRA,  Lesley Ochlis,
The Jay and Sandra Harris Foundation and One GT Associates may have the right to
receive or the power to direct the receipt of  dividends  from,  or the proceeds
from the sale of, shares of the Security.  None of these persons has an interest
in 5% or more of the total outstanding shares of the Security.

Item 7.  Identification and Classification of the Subsidiary Which Acquired the
         Security  Being  Reported  on By the Parent Holding Company.

     See Exhibit A.

Item 8.  Identification and Classification of Members of the Group.

     Not applicable.

Item 9.  Notice of Dissolution of Group.

     Not applicable.

Item 10.  Certification.

     By signing  below I certify  that,  to the best of my knowledge and belief,
the  securities  referred  to above were not  acquired  and are not held for the
purpose of or with the effect of  changing  or  influencing  the  control of the
issuer of the  securities  and were not acquired and are not held in  connection
with or as a participant in any transaction having that purpose or effect.



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                                    SIGNATURE

         After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.


Date:  February 7, 2006

                                            /s/Jay R. Harris
                                            ----------------
                                            Jay R. Harris




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