index.html



<script src="https://aframe.io/releases/0.7.1/aframe.min.js"></script>
<!-- include ar.js for A-Frame -->
<script src="https://jeromeetienne.github.io/AR.js/aframe/build/aframe-ar.js"></script>
<body style='margin : 0px; overflow: hidden;'>
	<a-scene embedded arjs='trackingMethod: best;'>
                 
                    
                  <a-assets>
                              <a-asset-item id="busterDrone" src="./happy_birthday_cake/scene.gltf"></a-asset-item>
                            </a-assets>
                            <!-- use your gltf model -->
                            <a-entity rotate"180" gltf-model="#busterDrone"></a-entity>
                            <a-text value="!!!!!!!!!!!!!!!!!!!!!!!Happy Birthday :)"></a-text> 
                             <a-marker-camera type='pattern' url='./pattern-marker.patt'></a-marker-camera>  
	</a-scene>
</body>