1 EXHIBIT 23.1 CONSENT OF INDEPENDENT AUDITORS The Board of Directors and Stockholders Spatial Technology Inc.: We consent to the use of our report dated August 20, 1999 with respect to the financial statements of Sven Technologies, Inc. included in this Current Report on Form 8-K. HOOD & STRONG LLP /s/ HOOD & STRONG LLP Menlo Park, California September 13, 1999