Share Email Facebook Twitter LinkedIn HelicalCurveConstantShapeDefinition.HelixStartFlatAngle Property Parent Object: HelicalCurveConstantShapeDefinition Description Gets and sets the helix start flat angle. Syntax HelicalCurveConstantShapeDefinition.HelixStartFlatAngle() As Variant Property Value This is a read/write property whose value is a Variant. Version Introduced in version 2019 © Copyright 2025 Autodesk, Inc. Comment on this page.