final Sphere sphere = new Sphere("Sphere", 8, 8, 1);
sphere.updateModelBound();
for (int i = 0; i < 200; i++) {
final Mesh sm = sphere.makeCopy(true);
sm.setTranslation(new Vector3(rand.nextDouble() * 100.0 - 50.0, rand.nextDouble() * 100.0 - 50.0, rand
.nextDouble() * 100.0 - 50.0));
sm.setRenderState(ts);
n1.attachChild(sm);