United States securities and exchange commission logo




                                                                                
                              June 27, 2023

       Frank Orzechowski
       Chief Financial Officer
       Sigma Additive Solutions, Inc.
       3900 Paseo del Sol
       Santa Fe, NM 87507

                                                        Re: Sigma Additive 
Solutions, Inc.
                                                            Form 10-K for the 
Year Ended December 31, 2022
                                                            Filed March 30, 
2023
                                                            File No. 001-38015

       Dear Frank Orzechowski:

              We have limited our review of your filing to the financial 
statements and related
       disclosures and have the following comments. In some of our comments, we 
may ask you to
       provide us with information so we may better understand your disclosure.

              Please respond to these comments within ten business days by 
providing the requested
       information or advise us as soon as possible when you will respond. If 
you do not believe our
       comments apply to your facts and circumstances, please tell us why in 
your response.

                                                        After reviewing your 
response to these comments, we may have additional comments.

       Form 10-K for the Year Ended December 31, 2022

       Item 9A. Controls and Procedures, page 24

   1.                                                   Please tell us your 
conclusions of your principal executive officer and principal financial
                                                        officer regarding the 
effectiveness of your disclosure controls and procedures and revise
                                                        your disclosures 
accordingly in future filings. Refer to Item 307 of Regulation S-K.
              In closing, we remind you that the company and its management are 
responsible for the
       accuracy and adequacy of their disclosures, notwithstanding any review, 
comments, action or
       absence of action by the staff.

              You may contact Heather Clark at 202-551-3624 or Melissa Gilmore 
at 202-551-3777
       with any questions.
 Frank Orzechowski
Sigma Additive Solutions, Inc.
June 27, 2023
Page 2

FirstName LastNameFrank Orzechowski           Sincerely,
Comapany NameSigma Additive Solutions, Inc.
                                              Division of Corporation Finance
June 27, 2023 Page 2                          Office of Manufacturing
FirstName LastName