double p0[] = new double[]{ length*0.50, 0.0,0.0};
double p1[] = new double[]{ length*0.488, radius*0.6,0.0};
double p2[] = new double[]{ length*0.46, radius,0.0};
double p0[] = new double[]{ length*0.50, 0.0,0.0};
double p1[] = new double[]{ length*0.488, radius*0.6,0.0};
double p2[] = new double[]{ length*0.46, radius,0.0};