diff --git a/theme_3d_systems/static/src/js/options/snippet_3d_options.js b/theme_3d_systems/static/src/js/options/snippet_3d_options.js
new file mode 100644
index 0000000..0b7e1ab
--- /dev/null
+++ b/theme_3d_systems/static/src/js/options/snippet_3d_options.js
@@ -0,0 +1,17 @@
+/** @odoo-module **/
+
+import options from '@web_editor/js/editor/snippets.options';
+
+options.registry.Snippet3DHeroOptions = options.Class.extend({
+    setParticleDensity: function (previewMode, widgetValue, params) {
+        this.$target.attr('data-particle-density', widgetValue);
+        // Refresh scene if widget is mounted
+        const widget = this.$target.data('theme_3d_hero');
+        if (widget) {
+            widget.destroy();
+            widget.start();
+        }
+    },
+});
+
+export default options.registry.Snippet3DHeroOptions;