BEND, Ore.--(BUSINESS WIRE)--Tech Soft 3D, the leading provider of engineering software development toolkits, today announces that it has acquired the Actify core business including SpinFire, CAD Publisher and Centro from Actify, Inc., a leading force in advanced CAD viewing and collaboration technology. This strategic move underscores Tech Soft 3D's commitment to accelerate growth, as it establishes an End-User Solutions division and broadens its product portfolio through further acquisitions.