diff --git a/src/main.c b/src/main.c
index a7a5b2f..192b145 100644
--- a/src/main.c
+++ b/src/main.c
@@ -32,16 +32,22 @@ int main(void) {
     return TINY_EXIT_RENDER_INIT_FAILED;
   }
 
-  Model obj = load_obj_file(arena, RESOURCE("head.obj"), RESOURCE("head.pnm"),
-                            RESOURCE("head_nm.pnm"));
+  // Model obj = load_obj_file(arena, RESOURCE("head.obj"),
+  // RESOURCE("head.pnm"),
+  //                           RESOURCE("head_nm.pnm"));
+  Model obj =
+      load_obj_file(arena, RESOURCE("polygon.obj"), RESOURCE("grid.pnm"), NULL);
   if (IS_INVALID_MODEL(obj)) {
     return TINY_EXIT_MODEL_LOAD_FAILED;
   }
 
   PhongMaterial material = {
-      .ambient = 0.3f,
-      .diffuse = 1.5f,
-      .specular = 0.5f,
+      // .ambient = 0.3f,
+      // .diffuse = 1.5f,
+      // .specular = 0.5f,
+      .ambient = 2.0f,
+      .diffuse = 0.0f,
+      .specular = 0.0f,
       .shininess = 0.1f,
   };
   obj.material = material;
diff --git a/src/shader/shaders.c b/src/shader/shaders.c
index 4f8cc0f..cc141e5 100644
--- a/src/shader/shaders.c
+++ b/src/shader/shaders.c
@@ -46,11 +46,14 @@ internal M4x4f get_projection_matrix(ProjectionType projection_type);
 internal f32 get_intensity(const V3f *normal);
 
 void load_shaders(void) {
-  M4x4f model_view = lookat(g_eye, g_target, g_up);
-  M4x4f orthographic_projection =
-      get_projection_matrix(PROJECTION_TYPE_ORTHOGRAPHIC);
-  M4x4f perspective_projection =
-      get_projection_matrix(PROJECTION_TYPE_PERSPECTIVE);
+  // M4x4f model_view = lookat(g_eye, g_target, g_up);
+  // M4x4f orthographic_projection =
+  //     get_projection_matrix(PROJECTION_TYPE_ORTHOGRAPHIC);
+  // M4x4f perspective_projection =
+  //     get_projection_matrix(PROJECTION_TYPE_PERSPECTIVE);
+  M4x4f model_view = mat4x4_identity;
+  M4x4f orthographic_projection = mat4x4_identity;
+  M4x4f perspective_projection = mat4x4_identity;
 
   perspective.model_view = orthographic.model_view = model_view;
   perspective.projection = perspective_projection;