Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
LOEWENBAUM G WALTER II
  2. Issuer Name and Ticker or Trading Symbol
3D SYSTEMS CORP [TDSC]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
C/O 3D SYSTEMS CORPORATION, 26081 AVENUE HALL
3. Date of Earliest Transaction (Month/Day/Year)
08/18/2005
(Street)

VALENCIA, CA 91355
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
6% Subordinated Convertible Debentures due 2013 $ 10.18 08/18/2005   P   $ 50,000 (1)   11/26/2003 11/30/2013 Common Stock 4,912 $ 100,000 $ 750,000 D  
6% Subordinated Convertible Debentures due 2013 $ 10.18             11/26/2003(4) 11/30/2013 Common Stock 78,585   800,000 I See footnote (2) (3)

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
LOEWENBAUM G WALTER II
C/O 3D SYSTEMS CORPORATION
26081 AVENUE HALL
VALENCIA, CA 91355
  X      

Signatures

 /s/ Robert M. Grace, Jr., Attorney-in-fact   08/19/2005
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) These securities were purchased by the reporting person in the reported transaction from STI Healthcare Inc., for which the reporting person serves as pesident and is a majority stockholder. The reported securities were included as indirectly held securities in the reporting person's Forms 4 filed with the Securities and Exchange Commission on December 1, 2003 and December 2, 2003.
(2) Of these securities, (a) $75,000 are held by Anna Willis Loewenbaum 1993 Trust, for which the reporting person serves as trustee, (b) $75,000 are held by Elizabeth Scott Loewenbaum 1993 Trust, for which the reporting person serves as trustee, (c) $200,000 are held by Lillian Shaw Loewenbaum, the reporting person's wife, (d) $50,000 are held by The Lillian Shaw Loewenbaum Trust, for which the reporting person's wife serves as trustee, (e) $200,000 are held by The Loewenbaum 1992 Trust, for which the reporting person and Mrs. Loewenbaum serve as trustees, (f) $100,000 are held by The Waterproof Partnership, L.P., for which the reporting person and Mrs. Loewenbaum serve as the general partners and as certain of the limited partners, and (g) $100,000 are held by Wally's Trust u/w/o Joel Simon Loewenbaum, for which the reporting person serves as trustee.
(3) The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purposes of Section 16 or for any other purpose
(4) The securities reported herein as held by Wally's Trust u/w/o Joel Simon Loewenbaum were exercisable as of December 1, 2003. All other securities reported in this Form 4 were exercisable as of November 26, 2003.

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