diff --git a/tests/test_drafting.py b/tests/test_drafting.py
index 6048d06..00f671a 100644
--- a/tests/test_drafting.py
+++ b/tests/test_drafting.py
@@ -297,9 +297,8 @@ class ExtensionLineTestCase(unittest.TestCase):
 
 class TestTechnicalDrawing(unittest.TestCase):
     def test_basic_drawing(self):
-        with BuildSketch() as drawing:
-            TechnicalDrawing(design_date=date(2023, 9, 17), sheet_number=1)
-        bbox = drawing.sketch.bounding_box()
+        drawing = TechnicalDrawing(design_date=date(2023, 9, 17), sheet_number=1)
+        bbox = drawing.bounding_box()
         self.assertGreater(bbox.size.X, 280)
         self.assertGreater(bbox.size.Y, 195)
         self.assertGreater(len(drawing.faces()), 110)