Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in this Prospectus constituting a part of this Registration Statement of our report dated March 15, 2018, relating to the consolidated financial statements of The ExOne Company and Subsidiaries appearing in the entity’s Annual Report on Form10-K for the year ended December 31, 2017.
We also consent to the reference to us under the caption “Experts” in the Prospectus.
| /s/ Schneider Downs & Co., Inc. |
| Pittsburgh, Pennsylvania |
| March 15, 2018 |
