API Reference > geometry-core > Serialization > BGFBAccessors > BGFBAccessors.EllipticArc > arc arc Method arc(obj?: BGFBAccessors.DEllipse3d): | BGFBAccessors.DEllipse3d Parameter Type Description obj BGFBAccessors.DEllipse3d Returns - | BGFBAccessors.DEllipse3d DEllipse3d|null Defined in serialization/BGFBAccessors.ts Line 1602 Last Updated: 12 June, 2024