EXHIBIT 23.1

Consent of Independent Registered Public Accounting Firm

3D Systems Corporation

Rock Hill, South Carolina

We hereby consent to the incorporation by reference in this Registration Statement on Form S-8 of our reports dated February 26, 2015, relating to the consolidated financial statements, the effectiveness of 3D Systems Corporation’s internal control over financial reporting, and schedule of 3D Systems Corporation appearing in the Company’s Annual Report on Form 10-K for the year ended December 31, 2014.

/s/ BDO USA, LLP

Charlotte, North Carolina

May 18, 2015

BDO USA, LLP, a Delaware limited liability partnership, is the U.S. member of BDO International Limited, a UK company limited by guarantee, and forms part of the international BDO network of independent member firms.

BDO is the brand name for the BDO network and for each of the BDO Member Firms.