diff --git a/MLI_vectorielle.py b/MLI_vectorielle.py
index 3c3bb97..e640ac6 100644
--- a/MLI_vectorielle.py
+++ b/MLI_vectorielle.py
@@ -6,6 +6,7 @@ import matplotlib.pyplot as plt
 from matplotlib.widgets import Slider, Button, CheckButtons
 from matplotlib.axes import Axes
 from matplotlib.projections.polar import PolarAxes
+from mpl_toolkits.mplot3d.axes3d import Axes3D
 
 PI = np.pi
 
@@ -205,6 +206,65 @@ class TriPlot_VectAxe(PolarAxes):
         return
 
 
+class TriPlot_3DAxe(Axes3D):
+    """Classe d'axe 3D"""
+    
+    phase = 2*PI/3*np.array([0, 1, 2])
+    phasor = np.linspace(0-phase, 2*PI-phase, N_PTS).T
+    theta = phasor[0,:]
+    
+    def __init__(self, v_max, phi, fig, rect, *args, **kwargs):
+        Axes3D.__init__(self, fig, rect, auto_add_to_figure=False,
+                        *args, **kwargs)
+        self.plot_list = []
+        self.arrow_list = []
+        self.v_max = v_max
+        self.phi = phi
+        self.v_re = np.zeros(self.phasor.shape)
+        self.v_im = np.zeros(self.phasor.shape)
+        return
+
+    def setup(self):
+        self.get_figure().add_axes(self)
+        
+        for i in range(3):
+            self.plot_list.append(
+                self.plot(self.v_re[i,:], self.v_im[i,:],
+                           self.theta
+                    )[0]
+                )
+        self.set_xlim([-1.6*self.v_max, 1.6*self.v_max])
+        self.set_ylim([-1.6*self.v_max, 1.6*self.v_max])
+        self.view_init(vertical_axis='y')
+        self.set_zlim([0, 2*PI])
+        self.set_zticks([i*PI/6 for i in range(13)])
+        self.set_zticklabels([str(30*i)+"°" for i in range(13)])
+        self.set_box_aspect((4,1,1))
+        self.set_facecolor("#00000000")
+        return
+    
+    def set_vmax(self, v_max):
+        self.v_max = v_max
+        self.v_re = self.v_max*np.cos(self.phasor)
+        self.v_im = self.v_max*np.sin(self.phasor)
+        return
+
+    def set_phi(self, phi):
+        self.phi = phi
+        return
+    
+    def set_parameters(self, p):
+        return
+    
+    def refresh(self):
+        for i, plot in enumerate(self.plot_list):
+            plot.set_data_3d(
+                self.v_re[i,:],
+                self.v_im[i,:],
+                self.theta
+                )
+        return
+
 class TriPlot:
     """Classe de graphique MLI"""
     
@@ -222,10 +282,12 @@ class TriPlot:
         # Attributs graphiques
         self.fig = plt.figure()
         self.timeaxe = TriPlot_TimeAxe(self.v_max, self.phi,
-                                       self.fig, [0.1, 0.2, 0.4, 0.6])
+                                       self.fig, [0.1, 0.5, 0.4, 0.4])
         self.vectaxe = TriPlot_VectAxe(self.v_max, self.phi,
                                        self.fig, [0.5, 0.2, 0.5, 0.6])
-        self.axes = [self.timeaxe, self.vectaxe]
+        self.axe3D = TriPlot_3DAxe(self.v_max, self.phi,
+                                   self.fig, [0.1, -0.15, 0.4, 0.8])
+        self.axes = [self.vectaxe, self.timeaxe, self.axe3D]
         self.amp_slider = Slider(
             ax=plt.axes([0.01, 0.1, 0.03, 0.8]),
             label="Tension\nefficace",