Use this 3D model in my game.

Model:  F-1 rocket engine
Page:   https://antics.gg/m/f-1-rocket-engine-d0d875
Asset:  https://antics.gg/m/f-1-rocket-engine-d0d875/model.glb   (CC-BY-4.0)
Recipe: https://antics.gg/m/f-1-rocket-engine-d0d875/recipe.mjs  (MIT — edit the numbers to change the model)

It has 138,640 triangles and 11 named parts, including: wall, tubewall, extension, bands, exhaustManifold, dome, outriggers, actuators.
Named parts are separate nodes, so you can move or hide them individually.

Derived from: Rocketdyne F-1 Engine Familiarization Training Manual (Section I), archive.org/details/rocketdyne-f1-engine-familiarization-manual; F-1 Rocket Engine Technical Manual Supplement R-3896-1A; heroicrelics.org F-1 thrust chamber cutaways, adapted from the same manuals

Load it at runtime — do not rebuild the geometry on the page:
  npx modelkit vendor .        # from antics-modelkit, puts glbload.js + three next to your page
  import { loadGLB } from "./glbload.js";
  const parts = await loadGLB("./model.glb");   // [{ name, geometry, material }]
  for (const p of parts) scene.add(new THREE.Mesh(p.geometry, p.material));

To change its proportions instead of using it as-is, download the recipe, run
`npm i antics-modelkit three`, edit the arguments and `npx modelkit build`.