potato2.js

var createScene = async function () {
  var scene = new BABYLON.Scene(engine);  

  // Let's create our potato
  var potato = BABYLON.MeshBuilder.CreateSphere("potato", 
      { diameterX: 0.8, diameterY: 0.9, diameterZ: 0.8 }, 
  scene);

  // Create a potato(ish) material
  var matCap = await BABYLON.NodeMaterial.ParseFromSnippetAsync("WSJ3VZ")
  potato.material = matCap;
  potato.isPickable = true;
  potato.enablePointerMoveEvents = true;    

  // Environment
  scene.createDefaultCamera(true, true, true);
  scene.createDefaultEnvironment({
      enableGroundMirror: true,
      createSkybox: false,
  });

  // Prevent camera from going below the ground
  scene.activeCamera.upperBetaLimit = 1.5;

  return scene;
};