API Reference > geometry-core > Polyface > PolyfaceBuilder > addPolygon addPolygon Method Add a polygon to the evolving facets. Add points to the polyface indices are added (in reverse order if indicated by the builder state) addPolygon(points: Point3d[], numPointsToUse?: number): void Parameter Type Description points Point3d[] array of points. This may contain extra points not to be used in the polygon numPointsToUse number number of points to use. Returns - void Defined in core/geometry/src/polyface/PolyfaceBuilder.ts Line 1312 Last Updated: 13 June, 2024