diff --git a/main.c b/main.c
index 8337ae7..9844a3f 100644
--- a/main.c
+++ b/main.c
@@ -1,11 +1,44 @@
 #include "raylib.h"
+#include <stdlib.h>
+
+typedef struct {
+    float d1;
+    float d2;
+    float lambda;
+    float angleM2;
+    Vector2 center;
+} Michelson;
+
+void DrawMichelsonSchema (Michelson *michelson) {
+    Vector2 center = { 400.0f, 300.0f };
+    Vector2 originM2 = { 5.0f, 30.0f };
+    Rectangle recM2 = {center.x + michelson->d2, center.y, 7.0f, 100.0f};
+    DrawRectanglePro(recM2, originM2, michelson->angleM2, WHITE);
+}
 
 int main () {
     InitWindow(1200, 800, "Interféromètre de Michelson");
     SetTextLineSpacing(144);
+
+    Michelson *michelson = (Michelson*)malloc(sizeof(Michelson));
+    michelson->d1 = 100;
+    michelson->d2 = 100;
+    michelson->lambda = 450;
+    michelson->angleM2 = 45;
+
     while (!WindowShouldClose()) {
         BeginDrawing();
             ClearBackground(BLACK);
+            DrawText("Interféromètre de Michelson", 100, 10, 25, WHITE);
+
+            DrawMichelsonSchema(michelson);
+
+            /*
+            DrawLine(0, 0, 120 , 120, WHITE);
+            Vector2 start = {120.0f, 120.0f};
+            Vector2 end = {500.0f, 500.0f};
+            DrawLineEx(start, end, 6.0f, WHITE);
+            */
         EndDrawing();
     }
     CloseWindow();
diff --git a/michelson b/michelson
new file mode 100755
index 0000000..e5571fe
Binary files /dev/null and b/michelson differ