diff --git a/leenkx/Sources/iron/Scene.hx b/leenkx/Sources/iron/Scene.hx
index 3f8e174..67e9cb9 100644
--- a/leenkx/Sources/iron/Scene.hx
+++ b/leenkx/Sources/iron/Scene.hx
@@ -889,6 +889,10 @@ class Scene {
 
 						if (StringTools.endsWith(ptype, "Object") && pval != "") {
 							Reflect.setProperty(traitInst, pname, Scene.active.getChild(pval));
+						} else if (ptype == "TSceneFormat" && pval != "") {
+							Data.getSceneRaw(pval, function (r: TSceneFormat) {
+								Reflect.setProperty(traitInst, pname, r);
+							});
 						}
 						else {
 							switch (ptype) {
diff --git a/leenkx/Sources/iron/system/Time.hx b/leenkx/Sources/iron/system/Time.hx
index 1ebc077..33684a5 100644
--- a/leenkx/Sources/iron/system/Time.hx
+++ b/leenkx/Sources/iron/system/Time.hx
@@ -14,7 +14,7 @@ class Time {
 		return 1 / frequency;
 	}
 	
-	static var _fixedStep: Null<Float>;
+	static var _fixedStep: Null<Float> = 1/60;
 	public static var fixedStep(get, never): Float;
 	static function get_fixedStep(): Float {
 		return _fixedStep;
diff --git a/leenkx/blender/lnx/exporter.py b/leenkx/blender/lnx/exporter.py
index d7bf17c..0db817e 100644
--- a/leenkx/blender/lnx/exporter.py
+++ b/leenkx/blender/lnx/exporter.py
@@ -3057,6 +3057,8 @@ class LeenkxExporter:
 
                         if trait_prop.type.endswith("Object"):
                             value = lnx.utils.asset_name(trait_prop.value_object)
+                        elif trait_prop.type == "TSceneFormat":
+                            value = lnx.utils.asset_name(trait_prop.value_scene)
                         else:
                             value = trait_prop.get_value()
 
diff --git a/leenkx/blender/lnx/props_traits_props.py b/leenkx/blender/lnx/props_traits_props.py
index a5e146e..4a67507 100644
--- a/leenkx/blender/lnx/props_traits_props.py
+++ b/leenkx/blender/lnx/props_traits_props.py
@@ -15,7 +15,8 @@ PROP_TYPE_ICONS = {
     "CameraObject": "CAMERA_DATA",
     "LightObject": "LIGHT_DATA",
     "MeshObject": "MESH_DATA",
-    "SpeakerObject": "OUTLINER_DATA_SPEAKER"
+    "SpeakerObject": "OUTLINER_DATA_SPEAKER",
+    "TSceneFormat": "SCENE_DATA"
 }
 
 
@@ -59,7 +60,8 @@ class LnxTraitPropListItem(bpy.types.PropertyGroup):
             ("CameraObject", "Camera Object", "Camera Object Type"),
             ("LightObject", "Light Object", "Light Object Type"),
             ("MeshObject", "Mesh Object", "Mesh Object Type"),
-            ("SpeakerObject", "Speaker Object", "Speaker Object Type")),
+            ("SpeakerObject", "Speaker Object", "Speaker Object Type"),
+            ("TSceneFormat", "Scene", "Scene Type")),
         name="Type",
         description="The type of this property",
         default="String",
@@ -78,6 +80,7 @@ class LnxTraitPropListItem(bpy.types.PropertyGroup):
         name="Value", type=bpy.types.Object, poll=filter_objects,
         override={"LIBRARY_OVERRIDABLE"}
     )
+    value_scene: PointerProperty(name="Value", type=bpy.types.Scene, override={"LIBRARY_OVERRIDABLE"})
 
     def set_value(self, val):
         # Would require way too much effort, so it's out of scope here.
@@ -126,6 +129,11 @@ class LnxTraitPropListItem(bpy.types.PropertyGroup):
             if self.value_object is not None:
                 return self.value_object.name
             return ""
+        if self.type == "TSceneFormat":
+            if self.value_scene is not None:
+                return self.value_scene.name
+            return ""
+
 
         return self.value_string
 
@@ -144,6 +152,8 @@ class LNX_UL_PropList(bpy.types.UIList):
         if self.layout_type in {'DEFAULT', 'COMPACT'}:
             if item.type.endswith("Object"):
                 sp.prop_search(item, "value_object", context.scene, "objects", text="", icon=custom_icon)
+            elif item.type.endswith("TSceneFormat"):
+                sp.prop_search(item, "value_scene", bpy.data, "scenes", text="", icon=custom_icon)
             else:
                 use_emboss = item.type in ("Bool", "String")
                 sp.prop(item, item_value_ref, text="", emboss=use_emboss)
diff --git a/leenkx/blender/lnx/utils.py b/leenkx/blender/lnx/utils.py
index 8ac35d2..2d9ca78 100644
--- a/leenkx/blender/lnx/utils.py
+++ b/leenkx/blender/lnx/utils.py
@@ -444,7 +444,7 @@ def fetch_script_props(filename: str):
 
         # Property type is annotated
         if p_type is not None:
-            if p_type.startswith("iron.object."):
+            if p_type.startswith("iron.object.") or p_type == "iron.data.SceneFormat.TSceneFormat":
                 p_type = p_type[12:]
             elif p_type.startswith("iron.math."):
                 p_type = p_type[10:]
@@ -522,7 +522,7 @@ def get_type_default_value(prop_type: str):
     if prop_type == "Float":
         return 0.0
     if prop_type == "String" or prop_type in (
-            "Object", "CameraObject", "LightObject", "MeshObject", "SpeakerObject"):
+            "Object", "CameraObject", "LightObject", "MeshObject", "SpeakerObject", "TSceneFormat"):
         return ""
     if prop_type == "Bool":
         return False