diff --git a/src/model_physics.rs b/src/model_physics.rs
index 6c5e6fe..a080a4e 100644
--- a/src/model_physics.rs
+++ b/src/model_physics.rs
@@ -571,3 +571,10 @@ impl MeshQuery<MinkowskiFace,MinkowskiEdge,MinkowskiVert> for MinkowskiMesh<'_>{
 		}
 	}
 }
+
+#[test]
+fn build_me_a_cube(){
+	let unit_cube=crate::primitives::unit_cube();
+	let mesh=PhysicsMesh::from(&unit_cube);
+	println!("mesh={:?}",mesh);
+}
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