O nó representado é \[ \left\{ \begin{array}{lcl} x & = & \cos(4 a) + 0.45 \cos(-a) \\ y & = & \sin(4 a) + 0.45 \sin(-a) \\ z & = & 0.35 \sin(5 a) \end{array} \right. \] con \(a \in [0, 2 \pi]\).

Obxectos da escea:



	var helice = new THREE.Curve();
	helice.getPoint = function(t)
		{
		var a = t * 2*Math.PI;
		return new THREE.Vector3(
			Math.cos(4*a) + 0.45 * Math.cos(-a),
			Math.sin(4*a) + 0.45 * Math.sin(-a),
			0.35 * Math.sin(5*a) );
		}

	var tubo = new THREE.Mesh(
			new THREE.TubeGeometry(helice,200,0.1,32),
			new THREE.MeshPhongMaterial({color: "yellow"}) );
	scene.add(tubo);