@Override
public Collection<TopoDS_Shape> getModel() throws Exception {
-// TopoDS_Shape cyl = OccTriangulator.makeCylinder(new double[] {0.0, 0.0, 0.0}, new double[] { 1.0, 0.0, 0.0 }, radius, radius*0.25);
-// return Collections.singletonList(cyl);
+ if (radius < MathTools.NEAR_ZERO)
+ return Collections.emptyList();
+
double length = radius * 0.5;
double p0[] = new double[]{ length, 0.0,0.0};
double p1[] = new double[]{length*0.8, radius*0.6,0.0};