I am trying to use the @azure/storage-blob package to download a STL file blob for use in Three.JS as follows:

const downloadResponse = await containerClient.getBlobClient('models/Large Knob.STL').download();
const downloaded = (
  await streamToBuffer(downloadResponse.readableStreamBody)
).toString(); 
const loader = new STLLoader();
const obj = loader.parse(downloaded);

and I load it in a mesh like this:

const mesh = new Mesh(model, material);
scene.add(mesh);
const renderer = new WebGLRenderer();
renderer.render(scene, camera);

I get the following stack trace:

three.module.js?ffb8:5319 Uncaught (in promise) TypeError: Cannot read properties of undefined (reading 'center')
    at Sphere.copy (webpack-internal:///./node_modules/three/build/three.module.js:5759:28)
    at Frustum.intersectsObject (webpack-internal:///./node_modules/three/build/three.module.js:12767:13)
    at projectObject (webpack-internal:///./node_modules/three/build/three.module.js:27383:45)
    at projectObject (webpack-internal:///./node_modules/three/build/three.module.js:27428:4)
    at WebGLRenderer.render (webpack-internal:///./node_modules/three/build/three.module.js:27212:3)
    at _callee$ (webpack-internal:///./pages/index.tsx:130:30)
    at tryCatch (webpack-internal:///./node_modules/next/dist/compiled/regenerator-runtime/runtime.js:45:40)
    at Generator.invoke [as _invoke] (webpack-internal:///./node_modules/next/dist/compiled/regenerator-runtime/runtime.js:274:22)
    at Generator.prototype.<computed> [as next] (webpack-internal:///./node_modules/next/dist/compiled/regenerator-runtime/runtime.js:97:21)
    at asyncGeneratorStep (webpack-internal:///./pages/index.tsx:35:28)
    at _next (webpack-internal:///./pages/index.tsx:53:17)
    at eval (webpack-internal:///./pages/index.tsx:58:13)
    at new Promise (<anonymous>)
    at eval (webpack-internal:///./pages/index.tsx:50:16)
    at createScene (webpack-internal:///./pages/index.tsx:89:25)
    at Home (webpack-internal:///./pages/index.tsx:209:9)
    at renderWithHooks (webpack-internal:///./node_modules/react-dom/cjs/react-dom.development.js:14985:18)

I am able to successfully load and view the mesh if I use loader.load(<filepath, but as my file is hosted in Azure blob storage, I don't think this is a viable option. Any advice would be greatly appreciated