diff --git a/scripts/display.h b/scripts/display.h
index 6119f44..96bf99b 100644
--- a/scripts/display.h
+++ b/scripts/display.h
@@ -4,7 +4,7 @@
 #include <stdint.h>
 #include <stdbool.h>
 #include <SDL.h>
-#include <SDL_ttf.h>
+
 #include "triangle.h"
 
 #define FPS 30
diff --git a/scripts/main.c b/scripts/main.c
index d562b9e..f9bdbff 100644
--- a/scripts/main.c
+++ b/scripts/main.c
@@ -3,7 +3,6 @@
 #include <stdbool.h>
 #include <math.h>
 #include <SDL.h>
-#include <SDL_ttf.h>
 #include "display.h"
 #include "mesh.h"
 #include "vector.h"
@@ -139,7 +138,7 @@ void update(void) {
     mesh.translation.x += 0.004f;
     mesh.translation.z = 5.0f;
 
-    //mesh.scale.x += 0.002f;
+    mesh.scale.x += 0.002f;
     //mesh.scale.y += 0.002f;
 
     // create scale matrix that will be used
@@ -153,6 +152,12 @@ void update(void) {
     mat4_t rotation_matrix_y = mat4_make_rotation_y(mesh.rotation.y);
     mat4_t rotation_matrix_z = mat4_make_rotation_z(mesh.rotation.z);
 
+    // create world matrix
+    mat4_t world_matrix = mat4_mul_mat4(&scale_matrix, &translation_matrix);
+    world_matrix = mat4_mul_mat4(&world_matrix, &rotation_matrix_x);
+    world_matrix = mat4_mul_mat4(&world_matrix, &rotation_matrix_y);
+    world_matrix = mat4_mul_mat4(&world_matrix, &rotation_matrix_z);
+
 
     triangles_to_render = NULL;
 
@@ -171,15 +176,7 @@ void update(void) {
             vec4_t transformed_vertex = vec4_from_vec3(face_vertices[j]);
 
             // use matrix to scale original matrix
-            transformed_vertex = mat4_multiply_vec4(scale_matrix, transformed_vertex);
-
-            // use matrices to rotate
-            transformed_vertex = mat4_multiply_vec4(rotation_matrix_x, transformed_vertex);
-            transformed_vertex = mat4_multiply_vec4(rotation_matrix_y, transformed_vertex);
-            transformed_vertex = mat4_multiply_vec4(rotation_matrix_z, transformed_vertex);
-
-            // use matrix to translate
-            transformed_vertex = mat4_multiply_vec4(translation_matrix, transformed_vertex);
+            transformed_vertex = mat4_multiply_vec4(world_matrix, transformed_vertex);
 
             // save translated vertex in the array of transformed vertices
             transformed_vertices[j] = transformed_vertex;
diff --git a/scripts/matrix.c b/scripts/matrix.c
index 5ab5d0a..cded963 100644
--- a/scripts/matrix.c
+++ b/scripts/matrix.c
@@ -100,4 +100,16 @@ vec4_t mat4_multiply_vec4(mat4_t m, vec4_t v) {
     ret.w = m.m[3][0] * v.x + m.m[3][1] * v.y + m.m[3][2] * v.z + m.m[3][3] * v.w;
 
     return ret;
-}
\ No newline at end of file
+}
+
+mat4_t mat4_mul_mat4(mat4_t* a, mat4_t* b) {
+    mat4_t ret = {};
+
+    for (int r = 0; r < 4; r++) {
+        for (int c = 0; c < 4; c++) {
+            ret.m[r][c] = (a->m[r][0] * b->m[0][c]) + (a->m[r][1] * b->m[1][c]) + (a->m[r][2] * b->m[2][c]) + (a->m[r][3] * b->m[3][c]);
+        }
+    }
+
+    return ret;
+}
diff --git a/scripts/matrix.h b/scripts/matrix.h
index 2dac80d..1d3c55f 100644
--- a/scripts/matrix.h
+++ b/scripts/matrix.h
@@ -15,6 +15,7 @@ mat4_t mat4_make_translation(float tx, float ty, float tz);
 mat4_t mat4_make_rotation_x(float ra);
 mat4_t mat4_make_rotation_y(float ra);
 mat4_t mat4_make_rotation_z(float ra);
+mat4_t mat4_mul_mat4(mat4_t* a, mat4_t* b);
 
 vec4_t mat4_multiply_vec4(mat4_t m, vec4_t v);