3D SYSTEMS CORP — Director's Dealing 2011

May 20, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3D SYSTEMS CORP (TDSC)
CIK: 0000910638
Period of Report: 2011-05-18

Reporting Person: GRACE ROBERT M JR (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-05-18	Common Stock	A	55112	—	Acquired	110224	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-05-18	Stock Option (Right to Buy)	$4.80	A	40000	Acquired	2013-11-03	Common Stock (40000)	Direct

Footnotes

F1: These shares were issued to the Reporting Person pursuant to a two-for-one stock split distributed to the Corporation's stockholders on May 18, 2011.

F2: These options were issued to the Reporting Person pursuant to the two-for-one stock split distributed to the Corporation's stockholders on May 18, 2011.

F3: The shares subject to this option vested over a period of four years in equal annual installments of 10,000 shares, commencing on November 3, 2004, the first anniversary of the date of grant.