diff --git a/materials/tilables/textures/base_UV_check_big.png b/materials/tilables/textures/base_UV_check_big.png
new file mode 100644
index 0000000..0a1e98e
Binary files /dev/null and b/materials/tilables/textures/base_UV_check_big.png differ
diff --git a/meshes/props/reference_box/reference_box.escn b/meshes/props/reference_box/reference_box.escn
new file mode 100644
index 0000000..0e9bdc9
--- /dev/null
+++ b/meshes/props/reference_box/reference_box.escn
@@ -0,0 +1,103 @@
+[gd_scene load_steps=1 format=2]
+
+[sub_resource id=1 type="ArrayMesh"]
+
+resource_name = "Cube"
+surfaces/0 = {
+	"primitive":4,
+	"arrays":[
+		Vector3Array(0.0, 1.0, 0.0, 1.0, 1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0),
+		Vector3Array(0.0, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0, 1.0, 0.0),
+		FloatArray(-1.0, 0.0, 0.0, 1.0, -1.0, 0.0, 0.0, 1.0, -1.0, 0.0, 0.0, 1.0, -1.0, 0.0, 0.0, 1.0),
+		null, ; no Vertex Colors,
+		Vector2Array(0.625, 1.0, 0.375, 0.75, 0.375, 1.0, 0.625, 0.75),
+		null, ; No UV2,
+		null, ; No Bones,
+		null, ; No Weights,
+		IntArray(0, 2, 1, 0, 1, 3)
+	],
+	"morph_arrays":[]
+}
+surfaces/1 = {
+	"primitive":4,
+	"arrays":[
+		Vector3Array(1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0),
+		Vector3Array(0.0, 0.0, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0, 1.0),
+		FloatArray(0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0),
+		null, ; no Vertex Colors,
+		Vector2Array(0.625, 0.75, 0.375, 0.5, 0.375, 0.75, 0.625, 0.5),
+		null, ; No UV2,
+		null, ; No Bones,
+		null, ; No Weights,
+		IntArray(0, 2, 1, 0, 1, 3)
+	],
+	"morph_arrays":[]
+}
+surfaces/2 = {
+	"primitive":4,
+	"arrays":[
+		Vector3Array(0.0, 1.0, 1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0),
+		Vector3Array(-1.0, 0.0, 0.0, -1.0, 0.0, 0.0, -1.0, 0.0, 0.0, -1.0, 0.0, 0.0),
+		FloatArray(0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0),
+		null, ; no Vertex Colors,
+		Vector2Array(0.625, 0.5, 0.375, 0.25, 0.375, 0.5, 0.625, 0.25),
+		null, ; No UV2,
+		null, ; No Bones,
+		null, ; No Weights,
+		IntArray(0, 2, 1, 0, 1, 3)
+	],
+	"morph_arrays":[]
+}
+surfaces/3 = {
+	"primitive":4,
+	"arrays":[
+		Vector3Array(1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 1.0),
+		Vector3Array(0.0, -1.0, 0.0, 0.0, -1.0, 0.0, 0.0, -1.0, 0.0, 0.0, -1.0, 0.0),
+		FloatArray(1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0, 1.0),
+		null, ; no Vertex Colors,
+		Vector2Array(0.625, 0.25, 0.375, 0.0, 0.375, 0.25, 0.625, 0.0),
+		null, ; No UV2,
+		null, ; No Bones,
+		null, ; No Weights,
+		IntArray(0, 2, 1, 0, 1, 3)
+	],
+	"morph_arrays":[]
+}
+surfaces/4 = {
+	"primitive":4,
+	"arrays":[
+		Vector3Array(1.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 1.0),
+		Vector3Array(1.0, 0.0, 0.0, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0),
+		FloatArray(0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0),
+		null, ; no Vertex Colors,
+		Vector2Array(0.375, 0.5, 0.125, 0.25, 0.125, 0.5, 0.375, 0.25),
+		null, ; No UV2,
+		null, ; No Bones,
+		null, ; No Weights,
+		IntArray(0, 2, 1, 0, 1, 3)
+	],
+	"morph_arrays":[]
+}
+surfaces/5 = {
+	"primitive":4,
+	"arrays":[
+		Vector3Array(0.0, 1.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0, 1.0, 0.0),
+		Vector3Array(0.0, 0.0, -1.0, 0.0, 0.0, -1.0, 0.0, 0.0, -1.0, 0.0, 0.0, -1.0),
+		FloatArray(0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0),
+		null, ; no Vertex Colors,
+		Vector2Array(0.875, 0.5, 0.625, 0.25, 0.625, 0.5, 0.875, 0.25),
+		null, ; No UV2,
+		null, ; No Bones,
+		null, ; No Weights,
+		IntArray(0, 2, 1, 0, 1, 3)
+	],
+	"morph_arrays":[]
+}
+[node type="Spatial" name="Scene"]
+
+
+[node name="reference_box" type="MeshInstance" parent="."]
+
+mesh = SubResource(1)
+visible = true
+transform = Transform(1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0)
diff --git a/meshes/props/reference_box/reference_box.tscn b/meshes/props/reference_box/reference_box.tscn
new file mode 100644
index 0000000..58d127f
--- /dev/null
+++ b/meshes/props/reference_box/reference_box.tscn
@@ -0,0 +1,32 @@
+[gd_scene load_steps=8 format=2]
+
+[ext_resource path="res://meshes/props/reference_box/reference_box.escn" type="PackedScene" id=1]
+
+[sub_resource type="SpatialMaterial" id=1]
+albedo_color = Color( 0.12549, 1, 0, 1 )
+
+[sub_resource type="SpatialMaterial" id=2]
+albedo_color = Color( 0.027451, 0.156863, 1, 1 )
+
+[sub_resource type="SpatialMaterial" id=3]
+albedo_color = Color( 0.686275, 0.282353, 0.282353, 1 )
+
+[sub_resource type="SpatialMaterial" id=4]
+albedo_color = Color( 0.337255, 0.678431, 0.333333, 1 )
+
+[sub_resource type="SpatialMaterial" id=5]
+albedo_color = Color( 1, 0, 0, 1 )
+
+[sub_resource type="SpatialMaterial" id=6]
+albedo_color = Color( 0.231373, 0.298039, 0.67451, 1 )
+
+[node name="reference_box" instance=ExtResource( 1 )]
+
+[node name="reference_box" parent="." index="0"]
+material/0 = SubResource( 1 )
+material/1 = SubResource( 2 )
+material/2 = SubResource( 3 )
+material/3 = SubResource( 4 )
+material/4 = SubResource( 5 )
+material/5 = SubResource( 6 )
+