3D SYSTEMS CORP — Director's Dealing 2012

Aug 1, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3D SYSTEMS CORP (DDD)
CIK: 0000910638
Period of Report: 2012-07-31

Reporting Person: MCALEA KEVIN (Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-07-31	Common Stock	M	37000	$2.655	Acquired	148456	Direct
2012-07-31	Common Stock	S	200	$37.06	Disposed	148256	Direct
2012-07-31	Common Stock	S	100	$37.08	Disposed	148156	Direct
2012-07-31	Common Stock	S	100	$37.09	Disposed	148056	Direct
2012-07-31	Common Stock	S	400	$37.11	Disposed	147656	Direct
2012-07-31	Common Stock	S	400	$37.13	Disposed	147256	Direct
2012-07-31	Common Stock	S	500	$37.14	Disposed	146756	Direct
2012-07-31	Common Stock	S	100	$37.15	Disposed	146656	Direct
2012-07-31	Common Stock	S	200	$37.16	Disposed	146456	Direct
2012-07-31	Common Stock	S	100	$37.17	Disposed	146356	Direct
2012-07-31	Common Stock	S	200	$37.19	Disposed	146156	Direct
2012-07-31	Common Stock	S	100	$37.20	Disposed	146056	Direct
2012-07-31	Common Stock	S	100	$37.21	Disposed	145956	Direct
2012-07-31	Common Stock	S	200	$37.22	Disposed	145756	Direct
2012-07-31	Common Stock	S	100	$37.23	Disposed	145656	Direct
2012-07-31	Common Stock	S	300	$37.24	Disposed	145356	Direct
2012-07-31	Common Stock	S	100	$37.25	Disposed	145256	Direct
2012-07-31	Common Stock	S	200	$37.26	Disposed	145056	Direct
2012-07-31	Common Stock	S	400	$37.27	Disposed	144656	Direct
2012-07-31	Common Stock	S	100	$37.28	Disposed	144556	Direct
2012-07-31	Common Stock	S	100	$37.29	Disposed	144456	Direct
2012-07-31	Common Stock	S	200	$37.30	Disposed	144256	Direct
2012-07-31	Common Stock	S	200	$37.33	Disposed	144056	Direct
2012-07-31	Common Stock	S	300	$37.34	Disposed	143756	Direct
2012-07-31	Common Stock	S	100	$37.36	Disposed	143656	Direct
2012-07-31	Common Stock	S	100	$37.37	Disposed	143556	Direct
2012-07-31	Common Stock	S	100	$37.38	Disposed	143456	Direct
2012-07-31	Common Stock	S	100	$37.42	Disposed	143356	Direct
2012-07-31	Common Stock	S	189	$37.45	Disposed	143167	Direct
2012-07-31	Common Stock	S	11	$37.48	Disposed	143156	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-07-31	Stock Option (Right to Buy)	$2.655	M	37000	Disposed	2013-05-15	Common Stock (37000)	Direct

Footnotes

F1: These shares are part of the total original grant of 55,000 options which vested over a period of two years in equal installments of 27,500 per year, commencing on May 15, 2004, the first anniversary of the grant date. An additional 55,000 resulted from the Corporation's two-for-one stock split to the Corporation's stockholders on May 18, 2011.

F2: Granted as compensation for services as an employee.