Best in Class ASPs - 2Dto3DCAD.com is the best 2D to 3D online conversion tool. ASPire3D's 2Dhealer.com is an excellent cleanup tool for 2D drawings. Joe Greco, CADENCE, Sep 2001.
CAD Converters - 2D to 3D, 3D to 3D, by Joe Greco, CGW, March 2001
2D to 3D - review of ASPire3D's online service that creates 3D models from 2D views, Joe Greco, Dec 2000
