diff --git a/sf_manufacturing/models/product_template.py b/sf_manufacturing/models/product_template.py
index 8c6546c3..bcd32b08 100644
--- a/sf_manufacturing/models/product_template.py
+++ b/sf_manufacturing/models/product_template.py
@@ -2,8 +2,8 @@ from odoo import models, fields, api, _
 from odoo.exceptions import ValidationError
 from odoo.modules import get_resource_path
 from odoo.addons.sf_base.commons.common import Common
-# from OCC.Extend.DataExchange import read_step_file
-# from OCC.Extend.DataExchange import write_stl_file
+from OCC.Extend.DataExchange import read_step_file
+from OCC.Extend.DataExchange import write_stl_file
 import logging
 import base64
 import hashlib