diff --git a/doc/changelog.d/1833.test.md b/doc/changelog.d/1833.test.md
new file mode 100644
index 0000000000..ab3b5edadc
--- /dev/null
+++ b/doc/changelog.d/1833.test.md
@@ -0,0 +1 @@
+adding inward shell
\ No newline at end of file
diff --git a/tests/integration/test_design.py b/tests/integration/test_design.py
index 849ec7cbd1..0a5b03d8ba 100644
--- a/tests/integration/test_design.py
+++ b/tests/integration/test_design.py
@@ -3111,6 +3111,12 @@ def test_shell_body(modeler: Modeler):
     assert base.volume.m == pytest.approx(Quantity(0.728, UNITS.m**3).m, rel=1e-6, abs=1e-8)
     assert len(base.faces) == 12
 
+    base = design.extrude_sketch("box", Sketch().box(Point2D([0, 0]), 1, 1), 1)
+    success = base.shell_body(-0.1)
+    assert success
+    assert base.volume.m == pytest.approx(Quantity(0.488, UNITS.m**3).m, rel=1e-6, abs=1e-8)
+    assert len(base.faces) == 12
+
 
 def test_shell_faces(modeler: Modeler):
     """Test shell commands for a single face."""