diff --git a/static/app.js b/static/app.js
index 198594f..57cf3a1 100644
--- a/static/app.js
+++ b/static/app.js
@@ -216,7 +216,12 @@ document.getElementById('btn-speed-up').addEventListener('click', () => {
 document.addEventListener('keydown', (e) => {
     if (e.target.tagName.toLowerCase() === 'input') return;
     if (e.key === 'h' || e.key === 'H') {
-        document.body.classList.toggle('ui-hidden');
+        const isHidden = document.body.classList.toggle('ui-hidden');
+        nodeMeshes.forEach(mesh => {
+            if (mesh.isSprite || mesh.type === 'Sprite') {
+                mesh.visible = !isHidden;
+            }
+        });
     }
 });
 
@@ -583,6 +588,7 @@ function build3DCluster(data) {
         const sprite = createTextSprite(n.data.name, fontSize, textColor, bgColor, true, isControlPlane);
         sprite.position.set(centerX, isControlPlane ? 16 : 14, centerZ - nh / 2 - 2);
         sprite.userData = nodeUserData;
+        sprite.visible = !document.body.classList.contains('ui-hidden');
         const labelHit = sprite.getObjectByName('labelHitMesh');
         if (labelHit) {
             labelHit.userData = nodeUserData;
diff --git a/version.ini b/version.ini
index e439288..83f1fd1 100644
--- a/version.ini
+++ b/version.ini
@@ -1,2 +1,2 @@
 [metadata]
-version = 1.1
+version = 1.2