diff --git a/src/Arts.cs b/src/Arts.cs
index aec17c3..850b4a8 100644
--- a/src/Arts.cs
+++ b/src/Arts.cs
@@ -44,13 +44,11 @@ static class Arts
 
     public static void Frame()
     {
-        bool vr = Device.DisplayBlend == DisplayBlend.Opaque;
-        // render hands if not in mixed reality
-        Input.HandVisible(Handed.Max, false);
-        if (vr)
-        {
-            // background standin if no passthrough
-        }
+        // Input.HandVisible(Handed.Max, false);
+
+        // world
+        Matrix m4_world = Mono.world_pose.ToMatrix();
+        Hierarchy.Push(m4_world);
 
         meshes["Food"].Draw(
             mat_mono,
@@ -76,6 +74,9 @@ static class Arts
             );
         }
 
+        Hierarchy.Pop();
+
+
         // menu
         Matrix m4_menu = Mono.menu_pose.ToMatrix(Mono.menu_scale);
         Hierarchy.Push(m4_menu);
diff --git a/src/Mono.cs b/src/Mono.cs
index 73992df..fd61364 100644
--- a/src/Mono.cs
+++ b/src/Mono.cs
@@ -9,6 +9,8 @@ static class Mono
 
     public static int score;
 
+    public static Pose world_pose;
+
     public static DeltaBool menu;
     public static Pose menu_pose;
     public static float menu_scale;
@@ -24,6 +26,7 @@ static class Mono
     public static void Init()
     {
         game_time = 0.0;
+        world_pose = new(0, 0, 0);
         menu = new(true);
         menu_pose = new(0, 0, 0);
         menu_scale = 1 * U.cm;