3D SYSTEMS CORP — Director's Dealing 2010

Aug 3, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3D SYSTEMS CORP (TDSC)
CIK: 0000910638
Period of Report: 2010-08-02

Reporting Person: HULL CHARLES W (Director, EVP, Chief Technical Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-08-02	Common Stock	S	100	$14.99	Disposed	413905	Indirect
2010-08-02	Common Stock	S	100	$15.005	Disposed	413805	Indirect
2010-08-02	Common Stock	S	100	$15.03	Disposed	413705	Indirect
2010-08-02	Common Stock	S	200	$15.19	Disposed	413505	Indirect
2010-08-02	Common Stock	S	100	$15.21	Disposed	413405	Indirect
2010-08-02	Common Stock	S	100	$15.225	Disposed	413305	Indirect
2010-08-02	Common Stock	S	300	$15.24	Disposed	413005	Indirect
2010-08-02	Common Stock	S	100	$15.2475	Disposed	412905	Indirect
2010-08-02	Common Stock	S	100	$15.25	Disposed	412805	Indirect
2010-08-02	Common Stock	S	100	$15.35	Disposed	412705	Indirect
2010-08-02	Common Stock	S	100	$15.47	Disposed	412605	Indirect
2010-08-02	Common Stock	S	400	$15.48	Disposed	412205	Indirect
2010-08-02	Common Stock	S	152	$15.49	Disposed	412053	Indirect
2010-08-02	Common Stock	S	300	$15.495	Disposed	411753	Indirect
2010-08-02	Common Stock	S	100	$15.50	Disposed	411653	Indirect
2010-08-02	Common Stock	S	100	$15.53	Disposed	411553	Indirect
2010-08-02	Common Stock	S	100	$15.54	Disposed	411453	Indirect
2010-08-02	Common Stock	S	8	$15.55	Disposed	411445	Indirect
2010-08-02	Common Stock	S	200	$15.59	Disposed	411245	Indirect
2010-08-02	Common Stock	S	40	$15.66	Disposed	411205	Indirect
2010-08-02	Common Stock	S	100	$15.72	Disposed	411105	Indirect
2010-08-02	Common Stock	S	100	$15.78	Disposed	411005	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	5500	Direct

Footnotes

F1: Automatic disposition of shares pursuant to Rule 10b5-1 Sales Plan.

F2: By the Charles William Hull and Charlene Antoinette Hull 1992 Revocable Living Trust for which the Reporting Person serves as trustee.