The Three Suzannes of Blender
The basic Babylon Viewer code.

<html>

<head>

 <title>Babylon.js Viewer - Display a 3D model</title> 

               <script src="https://preview.babylonjs.com/viewer/babylon.viewer.js"></script>

 </head>

<body>

       <div>

             <babylon model="/3suzannes.gltf" templates.main.params.fill-screen="true"></babylon>

      </div>

</body>

</html>