potato1.js

var createScene = 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);

    // 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;
};