Untitled

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    <head>
         <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
         <script src="https://aframe.io/releases/1.0.4/aframe.min.js"></script>
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         <script src="https://cdn.rawgit.com/donmccurdy/aframe-extras/v5.0.0/dist/aframe-extras.min.js"></script>


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    <body style='margin : 0px; overflow: hidden;'>
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            <a-marker preset='custom' type='pattern' url='/marker.patt'>
            <a-entity gltf-model="/question.gltf"
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