How can i merge mesh or geometry after using GLTFLoader?

[RyugaRyuzaki]

Hi, i need someone help me how can i merge mesh or geometry after this:

import { MeshoptDecoder } from './meshopt_decoder.module.js';
var loader = new GLTFLoader();
loader.setMeshoptDecoder(MeshoptDecoder);
loader.load('pirate.glb', function (gltf) { scene.add(gltf.scene); });

Here is output

Thank you !

[donmccurdy]

It appears that you're asking mainly about three.js APIs - the three.js forums really would be the best place for a quicker response! I would recommend having a look at THREE.BufferGeometryUtils and follow up on the forums if you're still having trouble.