API Reference > geometry-core > Serialization > BSplineCurve3dH > getSaturatedBezierSpan3dH getSaturatedBezierSpan3dH Method Return a CurvePrimitive (which is a BezierCurve3dH) for a specified span of this curve. getSaturatedBezierSpan3dH(spanIndex: number, result?: BezierCurveBase): undefined | BezierCurveBase Parameter Type Description spanIndex number result BezierCurveBase optional reusable curve. This will only be reused if it is a BezierCurve3d with matching order. Returns - undefined | BezierCurveBase Defined in bspline/BSplineCurve3dH.ts Line 392 Last Updated: 12 June, 2024