diff --git a/locale/es.po b/locale/es.po
index 8705102..1d0bc4a 100644
--- a/locale/es.po
+++ b/locale/es.po
@@ -1304,4 +1304,8 @@ msgstr "Mantenimiento Inicial"
 
 msgctxt "model:ir.model.button,string:maintenance_initial_button"
 msgid "Maintenance Initial"
-msgstr "Mantenimiento Inicial"
\ No newline at end of file
+msgstr "Mantenimiento Inicial"
+
+msgctxt "model:ir.model.button,string:maintenance_samples_button"
+msgid "Generate Samples"
+msgstr "Generar Muestras"
diff --git a/maintenance.py b/maintenance.py
index 92fcb4c..54c7bde 100644
--- a/maintenance.py
+++ b/maintenance.py
@@ -293,6 +293,7 @@ class Maintenance(Workflow, ModelSQL, ModelView):
             'in_progress': {'invisible': Eval('state').in_(['draft', 'in_progress', 'finished'])},
             'finished': {'invisible': (Eval('state').in_(['finished'])) |
                          ((Eval('maintenance_type') == 'corrective') & (Eval('maintenance_lines') == ()))},
+            'samples': {'invisible': (Eval('state').in_(['finished'])) | (Eval('lines_calibration') != ())},
             'calibrate': {'invisible': (Eval('lines_calibration') == ()) | (Eval('state').in_(['finished'])),
                           'depends': ['state'],}
                 })
@@ -562,6 +563,26 @@ class Maintenance(Workflow, ModelSQL, ModelView):
                 maintenance.code = maintenance.id
                 maintenance.save()
 
+    @classmethod
+    @ModelView.button
+    def samples(cls, maintenances):
+        pool = Pool()
+        CalibrationSample = pool.get('optical_equipment.maintenance.calibration_sample')
+        for maintenance in maintenances:
+            patterns = maintenance.equipment.product.k_pattern_list
+            for pattern in patterns:
+                samples = []
+                calibrationSample = CalibrationSample(
+                        maintenance=maintenance.id,
+                        product=maintenance.equipment.product.template.id,
+                        value_patterns=pattern.id,
+                        value_equipment=pattern.pattern,
+                        mistake=0,
+                        mistake_rate=0)
+                samples = [calibrationSample]*5
+                maintenance.lines_calibration+=tuple(samples)
+                maintenance.save()
+             
     @classmethod
     @ModelView.button
     def calibrate(cls, maintenances):
diff --git a/maintenance.xml b/maintenance.xml
index 466357e..087e5c1 100644
--- a/maintenance.xml
+++ b/maintenance.xml
@@ -102,6 +102,11 @@
 	    <field name="name">finished</field>
 	    <field name="string">Finished</field>
 	    <field name="model" search="[('model', '=', 'optical_equipment.maintenance')]"/>
+    	</record>
+	<record model="ir.model.button" id="maintenance_samples_button">
+	    <field name="name">samples</field>
+	    <field name="string">Generate Samples</field>
+	    <field name="model" search="[('model', '=', 'optical_equipment.maintenance')]"/>
 	</record>
 	<record model="ir.model.button" id="maintenance_calibrate_button">
 	    <field name="name">calibrate</field>
diff --git a/view/maintenance_form.xml b/view/maintenance_form.xml
index 3015151..62cbefe 100644
--- a/view/maintenance_form.xml
+++ b/view/maintenance_form.xml
@@ -80,6 +80,7 @@
     <group id="button">
       <button name="in_progress"/>
       <button name="finished"/>
+      <button name="samples"/>
       <button name="calibrate"/>
     </group>
 </form>