diff --git a/assets/shaders/repeat.frag b/assets/shaders/repeat.frag
index c140639..8d7cc2a 100644
--- a/assets/shaders/repeat.frag
+++ b/assets/shaders/repeat.frag
@@ -8,11 +8,11 @@ layout(set = 1, binding = 0) uniform RepeatMaterial {
 };
 
 layout(set = 1, binding = 1) uniform texture2D RepeatMaterial_texture;
-layout(set = 1, binding = 2) uniform sampler RepeatMaterial_sampler;
 
+layout(set = 1, binding = 2) uniform sampler RepeatMaterial_sampler;
 
 void main() {
-    o_Target = Color * texture(sampler2D(RepeatMaterial_texture,RepeatMaterial_sampler), v_Uv);
+    o_Target = Color * texture(sampler2D(RepeatMaterial_texture, RepeatMaterial_sampler), v_Uv);
 }
 
 // vim: set ft=glsl:
diff --git a/assets/shaders/repeat.vert b/assets/shaders/repeat.vert
index f409059..434f65d 100644
--- a/assets/shaders/repeat.vert
+++ b/assets/shaders/repeat.vert
@@ -1,7 +1,9 @@
 #version 450
 
 layout(location = 0) in vec3 Vertex_Position;
+
 layout(location = 1) in vec3 Vertex_Normal;
+
 layout(location = 2) in vec2 Vertex_Uv;
 
 layout(location = 0) out vec2 v_Uv;
diff --git a/src/main.rs b/src/main.rs
index 3a68aa6..db0fd40 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -43,22 +43,32 @@ fn startup(
         ..default()
     });
 
+    let grid_tile = tiled_materials.add(RepeatMaterial {
+        color: Color::BLUE,
+        color_texture: Some(texture.clone()),
+        alpha_mode: AlphaMode::Blend,
+    });
+
     commands.spawn(MaterialMeshBundle {
         mesh: meshes.add(Mesh::from(shape::Cube { size: 1.0 })),
-        material: tiled_materials.add(RepeatMaterial{
-			color: Color::BLUE,
-			color_texture: Some(texture.clone()),
-			alpha_mode: AlphaMode::Opaque,
-		}),
+        material: grid_tile.clone(),
         transform: Transform::from_xyz(2.0, 0.5, 0.0),
         ..default()
     });
 
+    commands.spawn(MaterialMeshBundle {
+        mesh: meshes.add(Mesh::from(shape::Cube { size: 2.0 })),
+        material: grid_tile.clone(),
+        transform: Transform::from_xyz(-2.0, 1.0, 0.0),
+        ..default()
+    });
+
     // single light source
     commands.spawn(PointLightBundle {
         point_light: PointLight {
             intensity: 1500.0,
-            shadows_enabled: true,
+            // I don't know why but the glsl shader explodes if we turn on the shadows
+            shadows_enabled: false,
             ..default()
         },
         transform: Transform::from_xyz(4.0, 8.0, 4.0),
@@ -73,7 +83,7 @@ fn startup(
 }
 
 #[derive(AsBindGroup, Clone, TypeUuid)]
-#[uuid = "00000000-0000-0000-0000-000000000001"]
+#[uuid = "d57ae039-8c67-4004-9370-5c522e256515"]
 pub struct RepeatMaterial {
     #[uniform(0)]
     color: Color,
@@ -105,8 +115,11 @@ impl Material for RepeatMaterial {
         _: MaterialPipelineKey<Self>,
     ) -> Result<(), SpecializedMeshPipelineError> {
         descriptor.vertex.entry_point = "main".into();
-		let mut frag = descriptor.fragment.as_mut().expect("should have a fragment entry point here");
-		frag.entry_point = "main".into();
+        let mut frag = descriptor
+            .fragment
+            .as_mut()
+            .expect("should have a fragment entry point here");
+        frag.entry_point = "main".into();
         Ok(())
     }
 }
@@ -114,7 +127,7 @@ impl Material for RepeatMaterial {
 fn main() {
     App::new()
         .add_plugins(DefaultPlugins)
-		.add_plugin(MaterialPlugin::<RepeatMaterial>::default())
+        .add_plugin(MaterialPlugin::<RepeatMaterial>::default())
         .add_startup_system(startup)
         .run();
 }