3D SYSTEMS CORP - Director's Dealing 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3D SYSTEMS CORP (TDSC)
CIK: 0000910638
Period of Report: 2010-11-04

Reporting Person: MCALEA KEVIN (Vice President)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-11-04	Common Stock	M	16268	$15.16	Acquired	46996	Direct
2010-11-04	Common Stock	S	5464	$28.35	Disposed	41532	Direct
2010-11-04	Common Stock	S	571	$28.36	Disposed	40961	Direct
2010-11-04	Common Stock	S	800	$28.37	Disposed	40161	Direct
2010-11-04	Common Stock	S	55	$28.40	Disposed	40106	Direct
2010-11-04	Common Stock	S	300	$28.45	Disposed	39806	Direct
2010-11-04	Common Stock	S	100	$28.46	Disposed	39706	Direct
2010-11-04	Common Stock	S	200	$28.48	Disposed	39506	Direct
2010-11-04	Common Stock	S	300	$28.49	Disposed	39206	Direct
2010-11-04	Common Stock	S	2482	$28.50	Disposed	36724	Direct
2010-11-04	Common Stock	S	800	$28.51	Disposed	35924	Direct
2010-11-04	Common Stock	S	400	$28.53	Disposed	35524	Direct
2010-11-04	Common Stock	S	200	$28.54	Disposed	35324	Direct
2010-11-04	Common Stock	S	628	$28.55	Disposed	34696	Direct
2010-11-04	Common Stock	S	322	$28.57	Disposed	34374	Direct
2010-11-04	Common Stock	S	400	$28.58	Disposed	33974	Direct
2010-11-04	Common Stock	S	700	$28.59	Disposed	33274	Direct
2010-11-04	Common Stock	S	300	$28.60	Disposed	32974	Direct
2010-11-04	Common Stock	S	100	$28.71	Disposed	32874	Direct
2010-11-04	Common Stock	S	600	$28.73	Disposed	32274	Direct
2010-11-04	Common Stock	S	500	$28.75	Disposed	31774	Direct
2010-11-04	Common Stock	S	172	$28.76	Disposed	31602	Direct
2010-11-04	Common Stock	S	474	$28.78	Disposed	31128	Direct
2010-11-04	Common Stock	S	400	$28.95	Disposed	30728	Direct