diff --git a/sf_manufacturing/models/product_template.py b/sf_manufacturing/models/product_template.py
index ff9d5aa6..7d9bbac5 100644
--- a/sf_manufacturing/models/product_template.py
+++ b/sf_manufacturing/models/product_template.py
@@ -7,10 +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 775b901a..259655ee 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 241170a1..768c483c 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