3D SYSTEMS CORP — Director's Dealing 2011

May 19, 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: WELKE KAREN E (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-05-18	Common Stock	A	10000	—	Acquired	20000	Direct
2011-05-18	Common Stock	A	2742	—	Acquired	22742	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 shares were awarded to the Reporting Person pursuant to the 2004 Restricted Stock Plan for Non-Employee Directors after given effect to the stock split referred to in note 1. The Reporting Person was awarded 1,371 shares prior to this stock split at par value, or $0.001 per share.