diff --git a/tests/javascript/extrusion.test.js b/tests/javascript/extrusion.test.js
new file mode 100644
index 00000000..aa5131f9
--- /dev/null
+++ b/tests/javascript/extrusion.test.js
@@ -0,0 +1,25 @@
+const rhino3dm = require('rhino3dm')
+
+let rhino
+beforeEach( async() => {
+    rhino = await rhino3dm()
+  })
+
+// objective: to test that creating and extrusion vs creating an extrusion with a place yield similar extrusions in different places
+test('createExtrusion', async () => {
+
+    const circle1 = new rhino.Circle(1.0);
+    const extrusion1 = rhino.Extrusion.create(circle1.toNurbsCurve(), 10.0, true)
+    const plane = new rhino.Plane.worldXY()
+    plane.origin = [10,10,10]
+    const circle2 = new rhino.Circle(1.0);
+    circle2.plane = plane
+    const extrusion2 = rhino.Extrusion.createWithPlane(circle2.toNurbsCurve(), plane, 10.0, true)
+
+    const bb1 = extrusion1.getBoundingBox()
+    const bb2 = extrusion2.getBoundingBox()
+
+    expect(bb1.volume).toBeCloseTo(bb2.volume, 5)
+    expect(bb1.center === bb2.center).toBe(false)
+
+})
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diff --git a/tests/python/test_Extrusion.py b/tests/python/test_Extrusion.py
new file mode 100644
index 00000000..ea1a9fb6
--- /dev/null
+++ b/tests/python/test_Extrusion.py
@@ -0,0 +1,25 @@
+import rhino3dm
+import unittest
+
+#objective: to test that creating and extrusion vs creating an extrusion with a place yield similar extrusions in different places
+class TestExtrusion(unittest.TestCase):
+    def test_createExtrusion(self):
+
+        circle1 = rhino3dm.Circle( 1 )
+        extrusion1 = rhino3dm.Extrusion.Create(circle1.ToNurbsCurve(), 10, True)
+        plane = rhino3dm.Plane.WorldXY()
+        plane.Origin = rhino3dm.Point3d(10, 10, 10)
+        circle2 = rhino3dm.Circle( 1 )
+        circle2.Plane = plane
+        extrusion2 = rhino3dm.Extrusion.CreateWithPlane(circle2.ToNurbsCurve(), plane, 10, True)
+
+        bb1 = extrusion1.GetBoundingBox()
+        bb2 = extrusion2.GetBoundingBox()
+
+        self.assertAlmostEqual( bb1.Volume, bb2.Volume, 5 )
+        self.assertFalse( bb1.Center == bb2.Center )
+
+if __name__ == '__main__':
+    print("running tests")
+    unittest.main()
+    print("tests complete")
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