diff --git a/game/test_rooms/Room1.tres b/game/test_rooms/Room1.tres
index f6084143..d97dc00b 100644
--- a/game/test_rooms/Room1.tres
+++ b/game/test_rooms/Room1.tres
@@ -2,7 +2,7 @@
 
 [ext_resource path="res://test_rooms/test2_tiledwalldata.tres" type="TiledWallData" id=1]
 [ext_resource path="res://modules/planets/test_planet/voxel_library/textures/stone_dungeon_1_albedo.png" type="Texture" id=4]
-[ext_resource path="res://modules/core_models/wall_zn.gltf" type="MeshDataResource" id=8]
+[ext_resource path="res://modules/core_models/wall_zn.tres" type="MeshDataResource" id=8]
 
 [sub_resource type="PropDataPortal" id=1]
 transform = Transform( -1, 0, -9.61651e-07, 0, 1, 0, 9.61651e-07, 0, -1, 2, 1, 0 )
diff --git a/game/test_rooms/Room1.tscn b/game/test_rooms/Room1.tscn
index 13d0eafb..8a5ce118 100644
--- a/game/test_rooms/Room1.tscn
+++ b/game/test_rooms/Room1.tscn
@@ -1,7 +1,7 @@
 [gd_scene load_steps=5 format=2]
 
 [ext_resource path="res://modules/planets/test_planet/voxel_library/textures/stone_dungeon_1_albedo.png" type="Texture" id=4]
-[ext_resource path="res://modules/core_models/wall_zn.gltf" type="MeshDataResource" id=5]
+[ext_resource path="res://modules/core_models/wall_zn.tres" type="MeshDataResource" id=5]
 [ext_resource path="res://test_rooms/test2_tiledwalldata.tres" type="TiledWallData" id=10]
 
 [sub_resource type="SpatialMaterial" id=3]
diff --git a/game/test_rooms/Room2.tres b/game/test_rooms/Room2.tres
index e6abea4d..f7be8f55 100644
--- a/game/test_rooms/Room2.tres
+++ b/game/test_rooms/Room2.tres
@@ -1,7 +1,7 @@
 [gd_resource type="PropData" load_steps=16 format=2]
 
 [ext_resource path="res://modules/species/Human/Female/character_models/huf_spine2.gltf" type="MeshDataResource" id=1]
-[ext_resource path="res://modules/core_models/wall_zn.gltf" type="MeshDataResource" id=2]
+[ext_resource path="res://modules/core_models/wall_zn.tres" type="MeshDataResource" id=2]
 [ext_resource path="res://modules/planets/test_planet/voxel_library/textures/stone_dungeon_1_albedo.png" type="Texture" id=3]
 [ext_resource path="res://modules/species/Human/Female/character_textures/100_seamless/armor_simple.png" type="Texture" id=4]
 [ext_resource path="res://test_rooms/test2_tiledwalldata.tres" type="TiledWallData" id=5]
diff --git a/game/test_rooms/Room2.tscn b/game/test_rooms/Room2.tscn
index 90897950..56479072 100644
--- a/game/test_rooms/Room2.tscn
+++ b/game/test_rooms/Room2.tscn
@@ -3,7 +3,7 @@
 [ext_resource path="res://modules/species/Human/Female/character_models/huf_spine2.gltf" type="MeshDataResource" id=1]
 [ext_resource path="res://modules/species/Human/Female/character_textures/100_seamless/armor_simple.png" type="Texture" id=2]
 [ext_resource path="res://modules/planets/test_planet/voxel_library/textures/stone_dungeon_1_albedo.png" type="Texture" id=4]
-[ext_resource path="res://modules/core_models/wall_zn.gltf" type="MeshDataResource" id=5]
+[ext_resource path="res://modules/core_models/wall_zn.tres" type="MeshDataResource" id=5]
 [ext_resource path="res://test_rooms/test2_tiledwalldata.tres" type="TiledWallData" id=10]
 
 [sub_resource type="SpatialMaterial" id=3]
diff --git a/game/test_rooms/Room3.tres b/game/test_rooms/Room3.tres
index 46463fef..2edc3881 100644
--- a/game/test_rooms/Room3.tres
+++ b/game/test_rooms/Room3.tres
@@ -1,6 +1,6 @@
 [gd_resource type="PropData" load_steps=16 format=2]
 
-[ext_resource path="res://modules/core_models/wall_zn.gltf" type="MeshDataResource" id=1]
+[ext_resource path="res://modules/core_models/wall_zn.tres" type="MeshDataResource" id=1]
 [ext_resource path="res://modules/planets/test_planet/voxel_library/textures/stone_dungeon_1_albedo.png" type="Texture" id=2]
 [ext_resource path="res://test_rooms/test2_tiledwalldata.tres" type="TiledWallData" id=3]
 
diff --git a/game/test_rooms/Room3.tscn b/game/test_rooms/Room3.tscn
index 379af012..4c6f8732 100644
--- a/game/test_rooms/Room3.tscn
+++ b/game/test_rooms/Room3.tscn
@@ -1,7 +1,7 @@
 [gd_scene load_steps=5 format=2]
 
 [ext_resource path="res://modules/planets/test_planet/voxel_library/textures/stone_dungeon_1_albedo.png" type="Texture" id=4]
-[ext_resource path="res://modules/core_models/wall_zn.gltf" type="MeshDataResource" id=5]
+[ext_resource path="res://modules/core_models/wall_zn.tres" type="MeshDataResource" id=5]
 [ext_resource path="res://test_rooms/test2_tiledwalldata.tres" type="TiledWallData" id=10]
 
 [sub_resource type="SpatialMaterial" id=3]
diff --git a/game/test_rooms/Room4.tres b/game/test_rooms/Room4.tres
index 92edeac3..94b15c14 100644
--- a/game/test_rooms/Room4.tres
+++ b/game/test_rooms/Room4.tres
@@ -1,6 +1,6 @@
 [gd_resource type="PropData" load_steps=16 format=2]
 
-[ext_resource path="res://modules/core_models/wall_zn.gltf" type="MeshDataResource" id=1]
+[ext_resource path="res://modules/core_models/wall_zn.tres" type="MeshDataResource" id=1]
 [ext_resource path="res://modules/planets/test_planet/voxel_library/textures/stone_dungeon_1_albedo.png" type="Texture" id=2]
 [ext_resource path="res://test_rooms/test2_tiledwalldata.tres" type="TiledWallData" id=3]
 
diff --git a/game/test_rooms/Room4.tscn b/game/test_rooms/Room4.tscn
index 51e1beee..a3ab820d 100644
--- a/game/test_rooms/Room4.tscn
+++ b/game/test_rooms/Room4.tscn
@@ -1,7 +1,7 @@
 [gd_scene load_steps=5 format=2]
 
 [ext_resource path="res://modules/planets/test_planet/voxel_library/textures/stone_dungeon_1_albedo.png" type="Texture" id=4]
-[ext_resource path="res://modules/core_models/wall_zn.gltf" type="MeshDataResource" id=5]
+[ext_resource path="res://modules/core_models/wall_zn.tres" type="MeshDataResource" id=5]
 [ext_resource path="res://test_rooms/test2_tiledwalldata.tres" type="TiledWallData" id=10]
 
 [sub_resource type="SpatialMaterial" id=3]
diff --git a/game/test_rooms/Room5.tres b/game/test_rooms/Room5.tres
index fa94b3ec..29569f24 100644
--- a/game/test_rooms/Room5.tres
+++ b/game/test_rooms/Room5.tres
@@ -1,6 +1,6 @@
 [gd_resource type="PropData" load_steps=22 format=2]
 
-[ext_resource path="res://modules/core_models/wall_zn.gltf" type="MeshDataResource" id=1]
+[ext_resource path="res://modules/core_models/wall_zn.tres" type="MeshDataResource" id=1]
 [ext_resource path="res://modules/planets/test_planet/voxel_library/textures/stone_dungeon_1_albedo.png" type="Texture" id=2]
 [ext_resource path="res://test_rooms/test2_tiledwalldata.tres" type="TiledWallData" id=3]
 
diff --git a/game/test_rooms/Room5.tscn b/game/test_rooms/Room5.tscn
index 1e86ede4..8152aef3 100644
--- a/game/test_rooms/Room5.tscn
+++ b/game/test_rooms/Room5.tscn
@@ -1,7 +1,7 @@
 [gd_scene load_steps=5 format=2]
 
 [ext_resource path="res://modules/planets/test_planet/voxel_library/textures/stone_dungeon_1_albedo.png" type="Texture" id=4]
-[ext_resource path="res://modules/core_models/wall_zn.gltf" type="MeshDataResource" id=5]
+[ext_resource path="res://modules/core_models/wall_zn.tres" type="MeshDataResource" id=5]
 [ext_resource path="res://test_rooms/test2_tiledwalldata.tres" type="TiledWallData" id=10]
 
 [sub_resource type="SpatialMaterial" id=3]