diff --git a/callback.c b/callback.c
index 122fb24..9a8b691 100644
--- a/callback.c
+++ b/callback.c
@@ -130,6 +130,29 @@ void on_glarea_unrealize(GtkWidget *widget)
     }
 }
 
+void on_axis_value_change(GtkAdjustment *adjustment, gpointer data)
+{
+
+    GtkWidget *slider = gtk_widget_get_parent(GTK_WIDGET(data));
+    GtkWidget *container_widget = gtk_widget_get_parent(GTK_WIDGET(slider));
+
+    const gchar *label_text = gtk_label_get_label(GTK_LABEL(data));
+
+    // THANKS ASCIIIII/Unicode/Whateverrr !
+    int axis = label_text[0] - 'X';
+
+    g_assert(axis >= 0 && axis < N_AXIS);
+
+    /* Update the rotation angle */
+    ui_update_axis_stack(container_widget,
+                         axis,
+                         gtk_adjustment_get_value(adjustment));
+
+    /* Update the contents of the GL drawing area */
+}
+
+
+
 /******************************************************************************/
 /*                             B U T T O N S                                  */
 /******************************************************************************/
diff --git a/callback.h b/callback.h
index 3fb290e..f157cf4 100644
--- a/callback.h
+++ b/callback.h
@@ -11,6 +11,8 @@ gboolean on_glarea_render(GtkGLArea *area, GdkGLContext *context);
 void on_glarea_realize(GtkWidget *widget);
 void on_glarea_unrealize(GtkWidget *widget);
 
+void on_axis_value_change(GtkAdjustment *adjustment, gpointer data);
+
 void ui_toggle_exec_edit     (GtkWidget *btt_exec_xor_edit, gpointer data);
 void ui_toggle_model_exec    (GtkWidget *btt_run_stop_model_exec, gpointer data);
 
diff --git a/graph_area.c b/graph_area.c
index 8fe7d66..dffd2a0 100644
--- a/graph_area.c
+++ b/graph_area.c
@@ -231,7 +231,7 @@ GtkWidget *create_axis_slider(int axis)
     gtk_widget_set_visible (label, TRUE);
 
     adj = gtk_adjustment_new(0.0, 0.0, 360.0, 1.0, 12.0, 0.0);
-//////////////////////////    g_signal_connect (adj, "value-changed", G_CALLBACK(on_axis_value_change), (gpointer) label);
+    g_signal_connect (adj, "value-changed", G_CALLBACK(on_axis_value_change), (gpointer) label);
     slider = gtk_scale_new(GTK_ORIENTATION_HORIZONTAL, adj);
     gtk_box_append(GTK_BOX(box), slider);
     gtk_widget_set_hexpand(slider, TRUE);
diff --git a/graph_area.h b/graph_area.h
index ccec84e..7365f96 100644
--- a/graph_area.h
+++ b/graph_area.h
@@ -119,6 +119,7 @@ bool graphics_init_shaders(const int stack_id);
 
 bool ui_init_graphic_stack(void *container_widget, GError *error_buffer);
 bool ui_shutdown_graphic_stack(void *container_widget, GError *error_buffer);
+bool ui_update_axis_stack(GtkWidget *container_widget, int axis, int value);
 
 /* Initializes the buffer of a gl_area
  * Calls according to the user preferences