API Reference > geometry-core > CartesianGeometry > ClipPrimitive > fetchClipPlanesRef fetchClipPlanesRef Method Get a reference to the UnionOfConvexClipPlaneSets. It triggers construction of the sets by this.ensurePlaneSets(). Derived class typically caches the set on the first such call. fetchClipPlanesRef(): undefined | UnionOfConvexClipPlaneSets Returns - undefined | UnionOfConvexClipPlaneSets Defined in clipping/ClipPrimitive.ts Line 109 Last Updated: 12 June, 2024