diff --git a/tests/test_meshbuilder.py b/tests/test_meshbuilder.py
index e560a52..2a6cf00 100644
--- a/tests/test_meshbuilder.py
+++ b/tests/test_meshbuilder.py
@@ -10,7 +10,6 @@
 
 def test_builder_creation():
     mesh = trimesh.creation.box([1, 1, 1])
-    print(mesh.vertices.shape)
 
     # Temporary write to file because rod Mesh works with uri
     with tempfile.NamedTemporaryFile() as fp:
@@ -23,42 +22,46 @@ def test_builder_creation():
             mass=1.0,
             scale=np.array([1.0, 1.0, 1.0]),
         )
-        assert (
-            builder.mesh.vertices.shape == mesh.vertices.shape
-        ), f"{builder.mesh.vertices.shape} != {mesh.vertices.shape}"
-        assert (
-            builder.mesh.faces.shape == mesh.faces.shape
-        ), f"{builder.mesh.faces.shape} != {mesh.faces.shape}"
-        assert (
-            builder.mesh.moment_inertia.all() == mesh.moment_inertia.all()
-        ), f"{builder.mesh.moment_inertia} != {mesh.moment_inertia}"
-        assert (
-            builder.mesh.volume == mesh.volume
-        ), f"{builder.mesh.volume} != {mesh.volume}"
+    assert (
+        builder.mesh.vertices.shape == mesh.vertices.shape
+    ), f"{builder.mesh.vertices.shape} != {mesh.vertices.shape}"
+    assert (
+        builder.mesh.faces.shape == mesh.faces.shape
+    ), f"{builder.mesh.faces.shape} != {mesh.faces.shape}"
+    assert (
+        builder.mesh.moment_inertia.all() == mesh.moment_inertia.all()
+    ), f"{builder.mesh.moment_inertia} != {mesh.moment_inertia}"
+    assert (
+        builder.mesh.volume == mesh.volume
+    ), f"{builder.mesh.volume} != {mesh.volume}"
 
 
 def test_builder_creation_custom_mesh():
     # Create a custom mesh
     vertices = np.array([[0, 0, 0], [1, 0, 0], [0, 1, 0], [0, 0, 1]])
     faces = np.array([[0, 1, 2], [0, 2, 3]])
-    custom_mesh = trimesh.Trimesh(vertices=vertices, faces=faces)
+    mesh = trimesh.Trimesh(vertices=vertices, faces=faces)
 
     # Temporary write to file because rod Mesh works with uri
-    filename = pathlib.Path(__file__).parent / "test_custom_mesh.stl"
-    custom_mesh.export(filename)
-
-    builder = MeshBuilder(
-        name="test_custom_mesh",
-        mesh_path=filename,
-        mass=1.0,
-        scale=np.array([1.0, 1.0, 1.0]),
-    )
+    with tempfile.NamedTemporaryFile() as fp:
+        # fp.write(trimesh.exchange.stl.export_stl(mesh))
+        mesh.export(fp.name, file_type="stl")
 
-    # Assert on meshes (builder mesh vs custom_mesh)
-    try:
-        assert builder.mesh.vertices.shape == custom_mesh.vertices.shape
-        assert builder.mesh.faces.shape == custom_mesh.faces.shape
-        assert builder.mesh.moment_inertia.all() == custom_mesh.moment_inertia.all()
-        assert builder.mesh.volume == custom_mesh.volume
-    finally:
-        os.remove(filename)
+        builder = MeshBuilder(
+            name="test_mesh",
+            mesh_path=fp.name,
+            mass=1.0,
+            scale=np.array([1.0, 1.0, 1.0]),
+        )
+    assert (
+        builder.mesh.vertices.shape == mesh.vertices.shape
+    ), f"{builder.mesh.vertices.shape} != {mesh.vertices.shape}"
+    assert (
+        builder.mesh.faces.shape == mesh.faces.shape
+    ), f"{builder.mesh.faces.shape} != {mesh.faces.shape}"
+    assert (
+        builder.mesh.moment_inertia.all() == mesh.moment_inertia.all()
+    ), f"{builder.mesh.moment_inertia} != {mesh.moment_inertia}"
+    assert (
+        builder.mesh.volume == mesh.volume
+    ), f"{builder.mesh.volume} != {mesh.volume}"
\ No newline at end of file