API Reference > geometry-core > Bspline > BSplineCurve3d > getSaturatedBezierSpan3d getSaturatedBezierSpan3d Method Return a CurvePrimitive (which is a BezierCurve3d) for a specified span of this curve. getSaturatedBezierSpan3d(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/BSplineCurve.ts Line 657 Last Updated: 12 June, 2024