<!-- Open Graph -->
<meta property="og:title" content="<?php echo base64_decode($model_name)?>" />
<meta property="og:description" content="<?php echo $link_description?>" />
<meta property="og:type" content="website" />
<meta property="og:image:secure_url" content="<?php echo $json_annotations_folder_url.basename($instance_folder_url).'/'.base64_decode($model_name)?>/social_preview.jpg" />
<meta property="og:url" content="https://sn3d.unige.ch" />

<!-- Twitter card-->
<meta name="twitter:title" content="<?php echo base64_decode($model_name)?>" />
<meta name="twitter:description" content="<?php echo $link_description?>" />
<meta name="twitter:image" content="<?php echo $json_annotations_folder_url.basename($instance_folder_url).'/'.base64_decode($model_name)?>/social_preview.jpg" />
<meta property="twitter:card" content="summary" />
<meta property="twitter:site" content="@DSketchnote3" />