diff --git a/test_objs/testcube_trans.obj b/test_objs/testcube_trans.obj
new file mode 100644
index 0000000..1b59c36
--- /dev/null
+++ b/test_objs/testcube_trans.obj
@@ -0,0 +1,19 @@
+v 9.0 10.0
+v 11.0 10.0
+v 9.0 11.0
+v 11.0 11.0
+v 9.0 11.0
+v 11.0 11.0
+v 9.0 10.0
+v 11.0 10.0
+f 1 2 4 3
+f 3 4 6 5
+f 5 6 8 7
+f 7 8 2 1
+f 2 8 6 4
+f 7 1 3 5
+
+cstype bezier
+deg 3
+curv 1 2 3 4
+end