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

                                  SCHEDULE 13G

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


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

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

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

                                December 31, 2003
                                -----------------
             (Date of Event Which Requires Filing of this Statement)

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

[X] Rule 13d-1(b)

[ ] 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

CUSIP No. 88554D205

1. Names of Reporting Persons: Philip W. Goldsmith
   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:         27,000
Shares
Beneficially      6.  Shared Voting Power:         -0-
Owned by
Each              7.  Sole Dispositive Power:    27,500
Reporting
Person With       8.  Shared Dispositive Power:  705,141

  9. Aggregate Amount Beneficially Owned by Each Reporting Person: 732,641

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

11. Percent of Class Represented by Amount in Row (9): 5.64%

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






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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 Philip W. Goldsmith.

          (b) Mr. Goldsmith's residence is 350 East 72nd Street, New York, NY
10021.

          (c) Mr. Goldsmith 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.

          See Exhibit A.

Item 4.    Ownership

          (a) Mr. Goldsmith is the beneficial owner of 732,641 shares of the
Security through the following:

          o his IRA;

          o his power of attorney for the  management  of the account of the
IRA of James Goldsmith;

          o his power of attorney for the management of the account of James
and Elizabeth Goldsmith; and

          o his position as Chairman 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 the Investment  Advisers
Act of 1940, by virtue of G&H's investment  discretion over accounts of its
clients that hold 705,141 shares of the Security.

         The 732,641 shares of the Security of which Mr. Goldsmith is the
beneficial owner includes: (i) 29,469 shares of the Security into which $300,000
in 6% Subordinated Convertible Debentures of the Corporation, which are held in
certain client

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accounts over which G&H has investment discretion, are convertible; and (ii)
66,700 shares of the Security into which 66,700 shares of Series B Convertible
Preferred Stock of the Corporation, which are held in certain client accounts
over which G&H has investment discretion, are convertible. The determination of
the number of shares of the Security beneficially owned by Mr. Goldsmith and the
percentage such shares represent of all of the outstanding shares of the
Security was made in accordance Rule 13d-3(d)(1) under the Securities Exchange
Act of 1934.

          (b) The amount of shares of the Security beneficially owned by Mr.
Goldsmith is 5.64% of the total outstanding shares of the Security.

          (c) (i) Mr. Goldsmith has the sole power to vote or to direct the vote
of 27,000 shares of the Security.

               (ii) Not applicable.

               (iii) Mr. Goldsmith has the sole power to dispose, or to direct
the disposition, of 27,500 shares of the Security.

               (iv) Mr.  Goldsmith  shares  with G&H the power to  dispose,  or
to direct the  disposition,  of  705,141  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.

         The clients of G&H, the IRA of James Goldsmith and James and Elizabeth
Goldsmith 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.

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Item 10.  Certification.

            By signing below I certify that, to the best of my knowledge and
belief, the securities referred to above were acquired and are held in the
ordinary course of business and 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.

                                    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 12, 2004

                                            /s/ Philip W. Goldsmith
                                            -----------------------
                                                Philip W. Goldsmith

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                                    EXHIBIT A

Philip W. Goldsmith may, through his position as Chairman 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, be deemed a control person
of G&H.

The amount of shares of common stock of Applied Extrusion Technologies, Inc.
(the "Security") beneficially owned by Mr. Goldsmith which are not attributable
to Mr. Goldsmith by virtue of his position as Chairman of G&H amount to less
than 1% of the total outstanding shares of the Security.


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