Obxectos da escea:

	var A = new THREE.Vector3( 0, 12, 0 );
	var B = new THREE.Vector3( 0, -8, 0 );
	var material = new THREE.LineBasicMaterial({
					color: "blue",
					linewidth:2 });
	var puntos = new THREE.Geometry();
	puntos.vertices.push(A, B);
	var line = new THREE.Line( puntos, material );
	scene.add( line );

        function createMesh(geom) {
            var meshMaterial = new THREE.MeshBasicMaterial({color: "red",
							    transparent: true,
							    opacity: 0.8});
            var wireFrameMat = new THREE.MeshBasicMaterial({color: "brown"});
            wireFrameMat.wireframe = true;
            var mesh = THREE.SceneUtils.createMultiMaterialObject(geom, [meshMaterial, wireFrameMat]);
            return mesh;
            }

	var tetraedro = createMesh( new THREE.TetrahedronGeometry(10, 0) );

	var quaternion = new THREE.Quaternion();
	quaternion.setFromAxisAngle( new THREE.Vector3( 1, 0, -1 ).normalize(), 0.955 );
	tetraedro.quaternion.copy(quaternion);
	scene.add( tetraedro );