Sketchfab-omeka-module/view/common/block-layout/sketchfab.phtml

<div class="sketchfab-wrap" style="position:relative;">

	<?php
		if ($title !== false && $title !== "") {
			$title = sprintf('<p id="sketchfab-title">%s</p>', $title);
		} else {
			$title = false;
		}
	?>

	<?= $sketchfab_iframe ?>

</div>


<script>
jQuery(document).ready(function() {
	var sketchfab = $(".sketchfab-wrap").find('iframe');
	$(sketchfab).prop('width', <?= $width ?>);
	$(sketchfab).prop('height', <?= $height ?>);
});
</script>