diff --git a/tests/png/printed_box.png b/tests/png/printed_box.png
index 24fd5d1..a2a2d1d 100644
Binary files a/tests/png/printed_box.png and b/tests/png/printed_box.png differ
diff --git a/tests/printed_box.scad b/tests/printed_box.scad
index e412a0a..f7844af 100644
--- a/tests/printed_box.scad
+++ b/tests/printed_box.scad
@@ -107,7 +107,7 @@ assembly("box1") {
                 screw_and_washer(foot_screw(foot), 6);
     }
 
-    translate_z(height + top_thickness + base_thickness + eps) vflip()
+    translate_z(height + top_thickness + base_thickness + 2 * eps) vflip()
          %render() box1_base_stl();
 }