3D SYSTEMS CORP — Director's Dealing 2012

May 1, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3D SYSTEMS CORP (DDD)
CIK: 0000910638
Period of Report: 2012-04-30

Reporting Person: Gregoire Damon Joseph (VP, Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-04-30	Common Stock	S	7870	$29.33	Disposed	198130	Direct
2012-04-30	Common Stock	S	1700	$29.41	Disposed	196430	Direct
2012-04-30	Common Stock	S	1400	$29.409	Disposed	195030	Direct
2012-04-30	Common Stock	S	1000	$29.42	Disposed	194030	Direct
2012-04-30	Common Stock	S	1000	$29.40	Disposed	193030	Direct
2012-04-30	Common Stock	S	700	$29.36	Disposed	192330	Direct
2012-04-30	Common Stock	S	400	$29.34	Disposed	191930	Direct
2012-04-30	Common Stock	S	330	$29.35	Disposed	191600	Direct
2012-04-30	Common Stock	S	300	$29.37	Disposed	191300	Direct
2012-04-30	Common Stock	S	200	$29.415	Disposed	191100	Direct
2012-04-30	Common Stock	S	100	$29.412	Disposed	191000	Direct