Exhibit 32.1

                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

      In connection with the report of SpatiaLight, Inc. (the "Company") on Form
10-K for the period ended December 31, 2004 as filed with the Securities and
Exchange Commission on the date hereof (the "Report"), the undersigned Officer
of the Company, certifies, pursuant to 18 U.S.C. 1350, as adopted pursuant to
Section 906 of the Sarbanes-Oxley Act of 2002, to his knowledge, that:

      (1)   The Report fully complies with the requirements of Section 13(a) or
            15(d) of the Securities Exchange Act of 1934; and

      (2)   The information contained in the Report fairly presents, in all
            material respects, the financial condition and results of operations
            of the Company.

                                     /s/ROBERT A. OLINS
                                    -----------------------------------------
                                    Robert A. Olins
                                    Chief Executive Officer, Principal
                                        Financial and Accounting Officer
May 13, 2005