3D SYSTEMS CORP — Director's Dealing 2011

Aug 4, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3D SYSTEMS CORP (TDSC)
CIK: 0000910638
Period of Report: 2011-08-03

Reporting Person: LOEWENBAUM G WALTER II (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-08-03	Common Stock	S	2000	$19.33	Disposed	1380072	Direct
2011-08-03	Common Stock	S	2000	$19.61	Disposed	1378072	Direct
2011-08-03	Common Stock	S	900	$19.611	Disposed	1377172	Direct
2011-08-03	Common Stock	S	100	$19.6149	Disposed	1377072	Direct
2011-08-03	Common Stock	S	2000	$19.67	Disposed	1375072	Direct
2011-08-03	Common Stock	S	2000	$19.85	Disposed	1373072	Direct
2011-08-03	Common Stock	S	3000	$19.95	Disposed	1370072	Direct
2011-08-03	Common Stock	S	2000	$19.96	Disposed	1368072	Direct
2011-08-03	Common Stock	S	2000	$20.10	Disposed	1366072	Direct
2011-08-03	Common Stock	S	1200	$20.12	Disposed	1364872	Direct
2011-08-03	Common Stock	S	400	$20.13	Disposed	1364472	Direct
2011-08-03	Common Stock	S	400	$20.135	Disposed	1364072	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	284294	Indirect
Common Stock	221694	Indirect
Common Stock	22186	Indirect
Common Stock	105334	Indirect
Common Stock	83454	Indirect
Common Stock	43648	Indirect
Common Stock	43710	Indirect
Common Stock	363052	Indirect
Common Stock	363050	Indirect

Footnotes

F1: The Reporting Person disclaims beneficial ownership of these securities except to the extent of any pecuniary interest therein.

F2: Mr. and Mrs. Loewenbaum serve as Trustees.

F3: Mr. Loewenbaum serves as Trustee.

F4: Mr. and Mrs. Loewenbaum are the general partners.

F5: Mrs. Loewenbaum serves as trustee.