Does BIMvision support BSplineCurve? (ex- IfcBSplineCurveWithKnots)

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I\’ve been trying to write BCurve as swept solid directrix(for beam member) or as a line(for feature) it self.
But BIM vision does not show any entity with bcurve.

And, for swept solid, it only shows the straight member.

Please, could you help?

I\’ll send the related IFC file.

Changed status to publish


We support both IfcBSplineCurveWithKnots and IfcBSplineCurve. If you have a problem with your file, please send it to

Best regards,

BIMvision Team

Changed status to publish