# LDrawUtils Utility class for LDraw models. ## Import LDrawUtils is an addon, and must be imported explicitly, see [Installation#Addons](https://threejs.org/manual/#en/installation). ```js import { LDrawUtils } from 'three/addons/utils/LDrawUtils.js'; ``` ## Constructor ### new LDrawUtils() ## Static Methods ### .mergeObject( object : Object3D ) : Group Merges geometries in the given object by materials and returns a new group object. Use on not indexed geometries. The object buffers reference the old object ones. Special treatment is done to the conditional lines generated by LDrawLoader. **object** The object to merge. **Returns:** The merged object. ## Source [examples/jsm/utils/LDrawUtils.js](https://github.com/mrdoob/three.js/blob/master/examples/jsm/utils/LDrawUtils.js)