diff --git a/sf_manufacturing/models/product_template.py b/sf_manufacturing/models/product_template.py
index 71522528..cea53c64 100644
--- a/sf_manufacturing/models/product_template.py
+++ b/sf_manufacturing/models/product_template.py
@@ -7,8 +7,8 @@ import os
 from odoo import models, fields, api, _
 from odoo.exceptions import ValidationError
 from odoo.modules import get_resource_path
-# 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
 
 
 class ResProductMo(models.Model):
diff --git a/sf_sale/models/quick_easy_order.py b/sf_sale/models/quick_easy_order.py
index 11acc06f..e3bf3002 100644
--- a/sf_sale/models/quick_easy_order.py
+++ b/sf_sale/models/quick_easy_order.py
@@ -8,8 +8,8 @@ from datetime import datetime
 import requests
 from odoo import http
 from odoo.http import request
-# 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
 from odoo import models, fields, api
 from odoo.modules import get_resource_path
 from odoo.exceptions import ValidationError, UserError
diff --git a/sf_sale/models/quick_easy_order_old.py b/sf_sale/models/quick_easy_order_old.py
index 92f6cda2..3ae65db3 100644
--- a/sf_sale/models/quick_easy_order_old.py
+++ b/sf_sale/models/quick_easy_order_old.py
@@ -6,8 +6,8 @@ import os
 from datetime import datetime
 from stl import mesh
 # from OCC.Core.GProp import GProp_GProps
-# 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
 from odoo.addons.sf_base.commons.common import Common
 from odoo import models, fields, api
 from odoo.modules import get_resource_path