API Reference > imodeljs-frontend > Rendering > GraphicBuilder > addArc addArc MethodAbstract Appends a 3d open arc or closed ellipse to the builder. addArc(arc: Arc3d, isEllipse: boolean, filled: boolean): void Parameter Type Description arc Arc3d Description of the arc or ellipse. isEllipse boolean If true, and if the arc defines a full sweep, then draw as a closed ellipse instead of an arc. filled boolean If true, and isEllipse is also true, then draw ellipse filled. Returns - void Defined in core/frontend/src/render/GraphicBuilder.ts Line 361 Last Updated: 12 June, 2024