3D SYSTEMS CORP — Director's Dealing 2012

May 16, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3D SYSTEMS CORP (DDD)
CIK: 0000910638
Period of Report: 2012-05-15

Reporting Person: LOEWENBAUM G WALTER II (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-05-15	Common Stock	A	1823	—	Acquired	1291700	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	268877	Indirect
Common Stock	264294	Indirect
Common Stock	22186	Indirect
Common Stock	105334	Indirect
Common Stock	83454	Indirect
Common Stock	43648	Indirect
Common Stock	43710	Indirect
Common Stock	265869	Indirect
Common Stock	290867	Indirect
Common Stock	45000	Indirect

Footnotes

F1: These shares were awarded to the Reporting Person pursuant to the 2004 Restricted Stock Plan for Non-Employee Directors, and the Reporting Person purchased these shares at par value, or $0.001 per share.

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

F3: Mr. and Mrs. Loewenbaum serve as Trustees.

F4: Mr. Loewenbaum serves as Trustee.

F5: Mr. and Mrs. Loewenbaum are the general partners.

F6: Mrs. Loewenbaum serves as trustee.

F7: The limited liability company is owned 100% by Mr. Loewenbaum.