diff --git a/engine/src/main.cpp b/engine/src/main.cpp
index 4202754..1031eac 100644
--- a/engine/src/main.cpp
+++ b/engine/src/main.cpp
@@ -14,6 +14,7 @@
 
 float cameraAngle = 0.0f;
 float cameraAngleY = 0.0f;
+int axis = 1;
 
 Configuration c;
 std::vector<std::vector<Point>> vectors;
@@ -35,20 +36,22 @@ void reshape(int w, int h) {
 }
 
 void drawAxis(void) {
-  glBegin(GL_LINES);
-  // x-axis (red)
-  glColor3f(50.0f, 0.0f, 0.0f);
-  glVertex3f(-500.0f, 0.0f, 0.0f);
-  glVertex3f(500.0f, 0.0f, 0.0f);
-  // y-axis (green)
-  glColor3f(0.0f, 50.0f, 0.0f);
-  glVertex3f(0.0f, -500.0f, 0.0f);
-  glVertex3f(0.0f, 500.0f, 0.0f);
-  // z-axis (blue)
-  glColor3f(0.0f, 0.0f, 50.0f);
-  glVertex3f(0.0f, 0.0f, -500.0f);
-  glVertex3f(0.0f, 0.0f, 500.0f);
-  glEnd();
+  if (axis) {
+    glBegin(GL_LINES);
+    // x-axis (red)
+    glColor3f(50.0f, 0.0f, 0.0f);
+    glVertex3f(-500.0f, 0.0f, 0.0f);
+    glVertex3f(500.0f, 0.0f, 0.0f);
+    // y-axis (green)
+    glColor3f(0.0f, 50.0f, 0.0f);
+    glVertex3f(0.0f, -500.0f, 0.0f);
+    glVertex3f(0.0f, 500.0f, 0.0f);
+    // z-axis (blue)
+    glColor3f(0.0f, 0.0f, 50.0f);
+    glVertex3f(0.0f, 0.0f, -500.0f);
+    glVertex3f(0.0f, 0.0f, 500.0f);
+    glEnd();
+  }
 }
 
 void renderScene(void) {
@@ -89,6 +92,17 @@ void processSpecialKeys(int key, int xx, int yy) {
     case GLUT_KEY_DOWN:
       cameraAngleY -= 1.0f;
       break;
+    case GLUT_KEY_F2:
+      if (axis) {
+        axis = 0;
+      } else {
+        axis = 1;
+      }
+      break;
+    case GLUT_KEY_F1:
+      cameraAngle = 0;
+      cameraAngleY = 0;
+      break;
     default:
       break;
   }
diff --git a/models/box_2_3.3d b/models/box_2_3.3d
new file mode 100644
index 0000000..cf0a786
--- /dev/null
+++ b/models/box_2_3.3d
@@ -0,0 +1,324 @@
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diff --git a/models/cone_1_2_4_3.3d b/models/cone_1_2_4_3.3d
new file mode 100644
index 0000000..e8f01ca
--- /dev/null
+++ b/models/cone_1_2_4_3.3d
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diff --git a/models/plane_2_3.3d b/models/plane_2_3.3d
new file mode 100644
index 0000000..c121897
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diff --git a/models/sphere_1_10_10.3d b/models/sphere_1_10_10.3d
new file mode 100644
index 0000000..c432b87
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+0.293893 -0.951056 -0.0954915
+-8.3144e-08 -1 2.70151e-08
+-5.13858e-08 -1 7.07265e-08
+0.181636 -0.951056 -0.25
+7.64274e-15 -1 8.74228e-08
+-2.70151e-08 -0.951056 -0.309017
+0.181636 -0.951056 -0.25
+-5.13858e-08 -1 7.07265e-08
+7.64274e-15 -1 8.74228e-08
+-2.70151e-08 -0.951056 -0.309017
+5.13858e-08 -1 7.07265e-08
+-0.181636 -0.951056 -0.25
+-2.70151e-08 -0.951056 -0.309017
+7.64274e-15 -1 8.74228e-08
+5.13858e-08 -1 7.07265e-08
+-0.181636 -0.951056 -0.25
+8.3144e-08 -1 2.70151e-08
+-0.293893 -0.951056 -0.0954914
+-0.181636 -0.951056 -0.25
+5.13858e-08 -1 7.07265e-08
+8.3144e-08 -1 2.70151e-08
+-0.293893 -0.951056 -0.0954914
+8.3144e-08 -1 -2.70151e-08
+-0.293893 -0.951056 0.0954916
+-0.293893 -0.951056 -0.0954914
+8.3144e-08 -1 2.70151e-08
+8.3144e-08 -1 -2.70151e-08
+-0.293893 -0.951056 0.0954916
+5.13858e-08 -1 -7.07265e-08
+-0.181636 -0.951056 0.25
+-0.293893 -0.951056 0.0954916
+8.3144e-08 -1 -2.70151e-08
+5.13858e-08 -1 -7.07265e-08
+-0.181636 -0.951056 0.25
+-1.52855e-14 -1 -8.74228e-08
+5.40303e-08 -0.951056 0.309017
+-0.181636 -0.951056 0.25
+5.13858e-08 -1 -7.07265e-08
+-1.52855e-14 -1 -8.74228e-08
diff --git a/scenes/test_1_1.xml b/scenes/test_1_1.xml
new file mode 100644
index 0000000..4f06978
--- /dev/null
+++ b/scenes/test_1_1.xml
@@ -0,0 +1,14 @@
+<world> 
+    <window width="512" height="512" />
+    <camera> 
+	    <position x="5" y="-2" z="3" />
+	    <lookAt x="0" y="0" z="0" />
+	    <up x="0" y="1" z="0" />
+        <projection fov="60" near="1" far="1000" /> 
+    </camera>
+	<group> 
+  		<models> 
+			<model file="cone_1_2_4_3.3d" /> <!-- generator cone 1 2 4 3 cone_1_2_4_3.3d -->
+ 		</models>
+ 	</group>
+</world>
\ No newline at end of file
diff --git a/scenes/test_1_2.xml b/scenes/test_1_2.xml
new file mode 100644
index 0000000..661591c
--- /dev/null
+++ b/scenes/test_1_2.xml
@@ -0,0 +1,14 @@
+<world> 
+    <window width="512" height="512" />
+    <camera> 
+	    <position x="5" y="-2" z="3" />
+	    <lookAt x="0" y="0" z="0" />
+	    <up x="0" y="1" z="0" />
+        <projection fov="20" near="1" far="1000" /> 
+    </camera>
+	<group> 
+  		<models> 
+			<model file="cone_1_2_4_3.3d" /> <!-- generator cone 1 2 4 3 cone_1_2_4_3.3d -->
+ 		</models>
+ 	</group>
+</world>
\ No newline at end of file
diff --git a/scenes/test_1_3.xml b/scenes/test_1_3.xml
new file mode 100644
index 0000000..06167c6
--- /dev/null
+++ b/scenes/test_1_3.xml
@@ -0,0 +1,14 @@
+<world> 
+    <window width="512" height="512" />
+    <camera> 
+	    <position x="3" y="2" z="1" />
+	    <lookAt x="0" y="0" z="0" />
+	    <up x="0" y="1" z="0" />
+        <projection fov="60" near="1" far="1000" /> 
+    </camera>
+	<group> 
+  		<models> 
+			<model file="sphere_1_10_10.3d" /> <!-- generator sphere 1 10 10 sphere_1_10_10.3d -->
+ 		</models>
+ 	</group>
+</world>
\ No newline at end of file
diff --git a/scenes/test_1_4.xml b/scenes/test_1_4.xml
new file mode 100644
index 0000000..5f5d409
--- /dev/null
+++ b/scenes/test_1_4.xml
@@ -0,0 +1,14 @@
+<world> 
+    <window width="512" height="512" />
+    <camera> 
+	    <position x="3" y="2" z="1" />
+	    <lookAt x="0" y="0" z="0" />
+	    <up x="0" y="1" z="0" />
+        <projection fov="60" near="1" far="3.5" /> 
+    </camera>
+	<group> 
+  		<models> 
+			<model file="box_2_3.3d" /> <!-- generator box 2 3 box_2_3.3d -->
+ 		</models>
+ 	</group>
+</world>
\ No newline at end of file
diff --git a/scenes/test_1_5.xml b/scenes/test_1_5.xml
new file mode 100644
index 0000000..ef5277c
--- /dev/null
+++ b/scenes/test_1_5.xml
@@ -0,0 +1,16 @@
+<world> 
+    <window width="512" height="512" />
+    <camera> 
+	    <position x="3" y="2" z="1" />
+	    <lookAt x="0" y="0" z="0" />
+	    <up x="0" y="1" z="0" />
+        <projection fov="60" near="1" far="1000" /> 
+    </camera>
+	<group> 
+  		<models> 
+			<model file="plane_2_3.3d" /> <!-- generator plane 2 3 plane_2_3.3d -->
+			<model file="sphere_1_10_10.3d" /> <!-- generator sphere 1 10 10 sphere_1_10_10.3d -->
+
+ 		</models>
+ 	</group>
+</world>
\ No newline at end of file