diff --git a/Convex_hull_3/test/Convex_hull_3/data/cross.off b/Convex_hull_3/test/Convex_hull_3/data/cross.off
new file mode 100644
index 00000000000..7d06dd52097
--- /dev/null
+++ b/Convex_hull_3/test/Convex_hull_3/data/cross.off
@@ -0,0 +1,120 @@
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