 not use physics, just do not use the PhysicLoader
      PhysicsLoader(
        '/lib/ammo',
        () =>
          new Project({
            anisotropy: 1, // https://threejs.org/docs/#api/en/textures/Texture.anisotropy
            antialias: false, // false by default
            fixedTimeStep: 1 / 60,
            gravity: { x: 0, y: -9.81, z: 0 }, // the default gravity for all scenes
            maxSubSteps: 1,
            parent: 'myCustomDiv',
            renderer: new THREE.WebGLRenderer({ antialias