diff --git a/docs/museums/daynight/scenes/chunk_f_l_2/snow.gdshader b/core/snow.gdshader
similarity index 100%
rename from docs/museums/daynight/scenes/chunk_f_l_2/snow.gdshader
rename to core/snow.gdshader
diff --git a/core/snow.gdshader.uid b/core/snow.gdshader.uid
new file mode 100644
index 0000000..6eb9234
--- /dev/null
+++ b/core/snow.gdshader.uid
@@ -0,0 +1 @@
+uid://btf3qpe7kwqig
diff --git a/docs/museums/daynight/scenes/chunk_c_e_1/snow.gdshader b/docs/museums/daynight/scenes/chunk_c_e_1/snow.gdshader
deleted file mode 100644
index e9d0201..0000000
--- a/docs/museums/daynight/scenes/chunk_c_e_1/snow.gdshader
+++ /dev/null
@@ -1 +0,0 @@
-shader_type spatial;
diff --git a/docs/museums/daynight/scenes/chunk_c_e_1/snow.gdshader.uid b/docs/museums/daynight/scenes/chunk_c_e_1/snow.gdshader.uid
deleted file mode 100644
index a993cd4..0000000
--- a/docs/museums/daynight/scenes/chunk_c_e_1/snow.gdshader.uid
+++ /dev/null
@@ -1 +0,0 @@
-uid://cw6p2m4fek8rt
diff --git a/docs/museums/daynight/scenes/chunk_c_f_1/chunk_c_f_1.tscn b/docs/museums/daynight/scenes/chunk_c_f_1/chunk_c_f_1.tscn
index cb8d528..ea8708c 100644
--- a/docs/museums/daynight/scenes/chunk_c_f_1/chunk_c_f_1.tscn
+++ b/docs/museums/daynight/scenes/chunk_c_f_1/chunk_c_f_1.tscn
@@ -6,7 +6,7 @@
 [ext_resource type="PackedScene" uid="uid://cahsl77384kf1" path="res://docs/museums/daynight/scenes/chunk_c_f_1/house_muraglione.tscn" id="4_lunjj"]
 [ext_resource type="PackedScene" uid="uid://cl8c5n0nw30u" path="res://docs/museums/daynight/scenes/chunk_c_f_1/house_xl_4.fbx" id="5_tf2ul"]
 [ext_resource type="PackedScene" uid="uid://dsh55bqjfrqfp" path="res://docs/museums/daynight/scenes/chunk_c_f_1/chunk_c_f_1.fbx" id="6_4h5ax"]
-[ext_resource type="Shader" uid="uid://cnoe3065kb2cn" path="res://docs/museums/daynight/scenes/chunk_f_l_2/snow.gdshader" id="7_wr3vc"]
+[ext_resource type="Shader" uid="uid://btf3qpe7kwqig" path="res://core/snow.gdshader" id="7_wr3vc"]
 [ext_resource type="Material" path="res://docs/museums/daynight/scenes/chunk_c_f_1/sentiero.tres" id="7_y2p7p"]
 [ext_resource type="PackedScene" path="res://docs/museums/daynight/scenes/chunk_c_f_1/tori_gate.tscn" id="9_ji5rd"]
 [ext_resource type="PackedScene" uid="uid://jj15telqu3rp" path="res://docs/museums/daynight/scenes/grass_test/grass_test.tscn" id="9_s470o"]
diff --git a/docs/museums/daynight/scenes/chunk_c_f_1/tori_gate.tscn b/docs/museums/daynight/scenes/chunk_c_f_1/tori_gate.tscn
index 7556bda..045c8e0 100644
--- a/docs/museums/daynight/scenes/chunk_c_f_1/tori_gate.tscn
+++ b/docs/museums/daynight/scenes/chunk_c_f_1/tori_gate.tscn
@@ -2,7 +2,7 @@
 
 [ext_resource type="PackedScene" uid="uid://2q81acvx3jua" path="res://docs/museums/daynight/scenes/chunk_c_f_1/tori_gate.fbx" id="1_6kg7a"]
 [ext_resource type="Shader" uid="uid://d0ch5ofrgf7y6" path="res://core/daynight/trunk_shader.gdshader" id="2_1ibku"]
-[ext_resource type="Shader" uid="uid://cnoe3065kb2cn" path="res://docs/museums/daynight/scenes/chunk_f_l_2/snow.gdshader" id="2_ttfuh"]
+[ext_resource type="Shader" uid="uid://btf3qpe7kwqig" path="res://core/snow.gdshader" id="2_ttfuh"]
 [ext_resource type="Texture2D" uid="uid://bt2j7x0gr6ndo" path="res://docs/museums/daynight/scenes/chunk_f_l_2/palette_train.png" id="3_6126s"]
 
 [sub_resource type="ShaderMaterial" id="ShaderMaterial_yswvv"]
diff --git a/docs/museums/daynight/scenes/chunk_f_l_2/house_test_4.tscn b/docs/museums/daynight/scenes/chunk_f_l_2/house_test_4.tscn
index ca48f43..b1843d0 100644
--- a/docs/museums/daynight/scenes/chunk_f_l_2/house_test_4.tscn
+++ b/docs/museums/daynight/scenes/chunk_f_l_2/house_test_4.tscn
@@ -2,7 +2,7 @@
 
 [ext_resource type="PackedScene" uid="uid://d25nuo0iyscu0" path="res://docs/museums/daynight/scenes/chunk_f_l_2/housetest_4.fbx" id="1_03u1s"]
 [ext_resource type="Material" uid="uid://biaudrjlfoflm" path="res://docs/museums/daynight/scenes/chunk_c_f_1/house.tres" id="2_n4qy2"]
-[ext_resource type="Shader" uid="uid://cnoe3065kb2cn" path="res://docs/museums/daynight/scenes/chunk_f_l_2/snow.gdshader" id="3_n4qy2"]
+[ext_resource type="Shader" uid="uid://btf3qpe7kwqig" path="res://core/snow.gdshader" id="3_n4qy2"]
 
 [sub_resource type="ShaderMaterial" id="ShaderMaterial_0x3ja"]
 render_priority = 0
diff --git a/docs/museums/daynight/scenes/chunk_f_l_2/snow.gdshader.uid b/docs/museums/daynight/scenes/chunk_f_l_2/snow.gdshader.uid
deleted file mode 100644
index 39a85a2..0000000
--- a/docs/museums/daynight/scenes/chunk_f_l_2/snow.gdshader.uid
+++ /dev/null
@@ -1 +0,0 @@
-uid://cnoe3065kb2cn