diff --git a/bricks/header.tmpl b/bricks/header.tmpl
index 07fecba..a22d85e 100644
--- a/bricks/header.tmpl
+++ b/bricks/header.tmpl
@@ -32,6 +32,9 @@
   <script src="{{entire_url('/bricks/3parties/recorder.wav.min.js')}}"></script>
   <script src="{{entire_url('/bricks/3parties/hls.js')}}"></script>
   <script src="{{entire_url('/bricks/3parties/dash.all.min.js')}}"></script>
+  <script type="module"
+    src="https://unpkg.com/@google/model-viewer/dist/model-viewer.min.js">
+  </script>
   <script src="{{entire_url('/bricks/bricks.js')}}"></script>
 {% for myjs in jsfiles() %}
   <script src="{{entire_url(myjs)}}"></script>