API Reference > geometry-core > Polyface > PolyfaceBuilder > findOrAddPoint findOrAddPoint Method Announce point coordinates. The implementation is free to either create a new point or (if known) return index of a prior point with the same coordinates. findOrAddPoint(xyz: Point3d): number Parameter Type Description xyz Point3d Returns - number Defined in core/geometry/src/polyface/PolyfaceBuilder.ts Line 365 Last Updated: 13 June, 2024