EXHIBIT 23.3



               CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS


We consent to the reference to our firm under the caption "Experts" and to the
use of our report dated January 19, 2001 relating to the consolidated balance
sheets of DTM Corporation and its subsidiaries as of December 31, 2000 and 1999
and the related consolidated statements of operations, shareholders' equity and
cash flows for each of the three years in the period ended December 31, 2000,
incorporated by reference in this Amendment No. 1 to the Registration Statement
No. 333-85904 on Form S-3 of 3-D Systems for the registration of 1,450,333
shares of its common stock.


/s/ ERNST & YOUNG LLP

Austin, Texas
June 21, 2002