API Reference > geometry-core > CartesianGeometry > Plane3dByOriginAndUnitNormal > createXYPlane createXYPlane MethodStatic Create a plane parallel to the XY plane createXYPlane(origin?: Point3d): Plane3dByOriginAndUnitNormal Parameter Type Description origin Point3d optional plane origin. If omitted, the origin is placed at 000 Returns - Plane3dByOriginAndUnitNormal Defined in core/geometry/src/geometry3d/Plane3dByOriginAndUnitNormal.ts Line 38 Last Updated: 13 June, 2024