import { BoxGeometry, Mesh, MeshLambertMaterial, Object3D } from 'three' export default class SplineHelper extends Object3D { constructor() { super() const geometry = new BoxGeometry(0.1, 0.1, 0.1) const material = new MeshLambertMaterial({ color: Math.random() * 0xffffff }) const object = new Mesh(geometry, material) super.add(object) } }