diff --git a/opengl_test35.cpp b/opengl_test35.cpp
index 100c94d..4cd3abe 100644
--- a/opengl_test35.cpp
+++ b/opengl_test35.cpp
@@ -30,6 +30,8 @@ float lastX = (float)SCR_WIDTH / 2.0;
 float lastY = (float)SCR_HEIGHT / 2.0;
 bool firstMouse = true;
 
+glm::vec3 backpackTranslate(1.0f);
+
 // timing
 float deltaTime = 0.0f;
 float lastFrame = 0.0f;
@@ -39,7 +41,7 @@ float lastFrame = 0.0f;
 float angle = 0;
 
 
-int main()
+int main(int argc, char** argv)
 {
     // glfw: initialize and configure
     // ------------------------------
@@ -86,6 +88,12 @@ int main()
     Shader shader("6.2.cubemaps.vert", "6.2.cubemaps.frag");
     Shader skyboxShader("6.2.skybox.vert", "6.2.skybox.frag");
 
+    Shader kniedeShader("9.2.geometry_shader.vert", "9.2.geometry_shader.frag");
+    Model kniedeModel("../resources/objects/kniede/kniede.obj");
+
+    Shader backpackShader("9.2.geometry_shader.vert", "9.2.geometry_shader.frag");
+    Model backpackModel("../resources/objects/backpack/backpack.obj");
+
     // set up vertex data (and buffer(s)) and configure vertex attributes
     // ------------------------------------------------------------------
     float cubeVertices[] = {
@@ -201,7 +209,7 @@ int main()
     // load textures
     // -------------
     string dir = "../resources/textures/SaintsPetersBasilica/";
-
+    
     vector<std::string> faces
     {
           dir + "posx.jpg",
@@ -269,6 +277,24 @@ int main()
         
         glBindVertexArray(0);
 
+        model = glm::translate(glm::mat4(1.0f), glm::vec3(10, -5, 9));
+        model = glm::rotate(model, glm::radians(-90.0f), glm::vec3(1.0f, 0.0f, 0.0f));
+        model = glm::rotate(model, glm::radians((float)glfwGetTime() * 8), glm::vec3(0.0f, 0.0f, 1.0f));
+        kniedeShader.use();
+        kniedeShader.setMat4("model", model);
+        kniedeShader.setMat4("view", view);
+        kniedeShader.setMat4("projection", projection);
+        kniedeModel.Draw(kniedeShader);
+
+        model = glm::translate(glm::mat4(1.0f), glm::vec3(15, -4, 9));
+        model = glm::translate(model, backpackTranslate);
+        backpackShader.use();
+        backpackShader.setMat4("model", model);
+        backpackShader.setMat4("view", view);
+        backpackShader.setMat4("projection", projection);
+        backpackModel.Draw(backpackShader);
+
+
         // draw skybox as last
         glDepthFunc(GL_LEQUAL);  // change depth function so depth test passes when values are equal to depth buffer's content
         skyboxShader.use();
@@ -315,6 +341,19 @@ void processInput(GLFWwindow *window)
         camera.ProcessKeyboard(LEFT, deltaTime);
     if (glfwGetKey(window, GLFW_KEY_D) == GLFW_PRESS)
         camera.ProcessKeyboard(RIGHT, deltaTime);
+
+    if (glfwGetKey(window, GLFW_KEY_LEFT) == GLFW_PRESS)
+        backpackTranslate.x += 0.2f;
+    if (glfwGetKey(window, GLFW_KEY_RIGHT) == GLFW_PRESS)
+        backpackTranslate.x -= 0.2f;
+    if (glfwGetKey(window, GLFW_KEY_DOWN) == GLFW_PRESS)
+        backpackTranslate.y -= 0.2f;
+    if (glfwGetKey(window, GLFW_KEY_UP) == GLFW_PRESS)
+        backpackTranslate.y += 0.2f;
+    if (glfwGetKey(window, GLFW_KEY_X) == GLFW_PRESS)
+        backpackTranslate.z += 0.1f;
+    if (glfwGetKey(window, GLFW_KEY_Z) == GLFW_PRESS)
+        backpackTranslate.z -= 0.1f;
 }
 
 // glfw: whenever the window size changed (by OS or user resize) this callback function executes