Navigation		Viewers Roundup Reviews Seeing is Believing: A CAD User's Guide to 3D Web Viewers/Publishers - side by side comparison of Actify's Spinfire, RealityWave's WebKit, PlanetCAD's 3Dpublish.com (no longer active) and Materialise's Magics Communicator, Jeffrey Rowe, CADalog, Oct 2001 CAD Viewers - By Mark Clarkson, Desktop Engineering, April 2000