Share Email Facebook Twitter LinkedIn SplineLengthDimConstraint3D.Spline Property Parent Object: SplineLengthDimConstraint3D Description Returns the 3D sketch spline being constrained. Syntax SplineLengthDimConstraint3D.Spline() As SketchSpline3D Property Value This is a read only property whose value is a SketchSpline3D. Version Introduced in version 2019 © Copyright 2025 Autodesk, Inc. Comment on this page.