API Reference > imodeljs-common > Geometry > GeometryStreamBuilder > appendGeometryPart2d appendGeometryPart2d Method Append a GeometryPart instance with relative position, orientation, and scale to a GeometryStreamProps array for creating a GeometricElement2d. Not valid when defining a GeometryPart as nesting of parts is not supported. appendGeometryPart2d(partId: Id64String, instanceOrigin?: Point2d, instanceRotation?: Angle, instanceScale?: number): boolean Parameter Type Description partId Id64String instanceOrigin Point2d instanceRotation Angle instanceScale number Returns - boolean Defined in core/common/src/geometry/GeometryStream.ts Line 318 Last Updated: 13 June, 2024