3D Systems (DDD) 8-K/A Financial Statements and Exhibits

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 Registration Statement Nos. 333-123227, 333-83680, 333-62776, 333-79767, 333-11865 and 333-115642 on Form S-8 and Registration Statement No. 333-172591 on Form S-3 of 3D Systems Corporation of our report dated March 12, 2012, relating to the combined financial statements of Z Corporation and Vidar Systems Corporation, which appear in this Form 8-K/A.

/s/ BDO USA, LLP

BDO USA, LLP

Charlotte, North Carolina

March 12, 2012