3D SYSTEMS CORP — Director's Dealing 2011

May 6, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3D SYSTEMS CORP (TDSC)
CIK: 0000910638
Period of Report: 2011-05-05

Reporting Person: KEVER JIM D (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-05-05	Common Stock	M	10000	$16.055	Acquired	110391	Direct
2011-05-05	Common Stock	S	4600	$38.74	Disposed	105791	Direct
2011-05-05	Common Stock	S	5400	$39.50	Disposed	100391	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-05-05	Stock Option (Right to Buy)	$16.055	M	10000	Disposed	2011-05-09	Common Stock (10000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	32891	Indirect

Footnotes

F1: These securities are held by an irrevocable trust for the benefit of the Reporting Person's minor children.

F2: The Reporting Person disclaims beneficial ownership of these securities except to the extent of any pecuniary interest therein.

F3: The shares subject to this option vested over a period of three years, in equal annual installments of 3,333 shares per year for the first two years and in an amount of 3,334 for the third year, commencing on May 9, 2002, the first anniversary of the date of grant.

F4: Granted as compensation for services as director.