Fix on TryGetExtrusion.

mcneel · Dec 27, 2024 · d779d4f · d779d4f
1 parent 6cd0507
commit d779d4f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/RhinoInside.Revit.External/Extensions/RhinoCommon.cs b/src/RhinoInside.Revit.External/Extensions/RhinoCommon.cs
@@ -314,7 +314,7 @@ public PlanarBrepFace(BrepFace f)
 
       public NurbsCurve Loop
       {
-        get { if (Plane.IsValid && loop is null) loop = Face.OuterLoop.To3dCurve().ProjectToPlane(Plane) as NurbsCurve; return loop; }
+        get { if (Plane.IsValid && loop is null) loop = Face.OuterLoop.To3dCurve()?.ToNurbsCurve().ProjectToPlane(Plane) as NurbsCurve; return loop; }
       }
       public Point3d Centroid
       {