Share Email Facebook Twitter LinkedIn TwoLineAngleDimConstraint3DProxy.LineOne Property Parent Object: TwoLineAngleDimConstraint3DProxy Description Property that returns the first 3D sketch line being constrained. Syntax TwoLineAngleDimConstraint3DProxy.LineOne() As SketchLine3D Property Value This is a read only property whose value is a SketchLine3D. Version Introduced in version 11 © Copyright 2025 Autodesk, Inc. Comment on this page.