For the other four leaf shapes - spathulate, denta-spathulate, cello-shaped and deltoid - more segments of Bezier curves were necessary for a good fitting.

对于三角、匙、齿匙、提琴等四种来说，其误差较大，这些类型宜以多段贝氏曲线进行几模拟，以准确地逼近实际。