BranchGroup objRoot = new BranchGroup();
Appearance a = new Appearance();
a.setPolygonAttributes(new PolygonAttributes(PolygonAttributes.POLYGON_LINE, PolygonAttributes.CULL_NONE, 0));
Shape3D sph = new Shape3D(TestUtils.createSphere(1.0f, 20), a);
TransformGroup sphereTrans = new TransformGroup();
sphereTrans.addChild(sph);
objRoot.addChild(sphereTrans);
AmbientLight aLgt = new AmbientLight(new Color3f(0.2f, 0.2f, 0.2f));
objRoot.addChild(aLgt);