It's not easy to apply, but you could use Plate_Plate or Geom_Plate. There is also a class GeomAPI_PointsToBSplineSurface that you could use. It depends on what you want to do. Search the forum for "Plate" to get more info.
Best regards, M. Gandyra
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University of Kaiserslautern
Research Group for Computer Application in Engineering Design
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