diff --git a/BloubWorld/scene.pov b/BloubWorld/scene.pov
index c5b9eac..a42fdc7 100644
--- a/BloubWorld/scene.pov
+++ b/BloubWorld/scene.pov
@@ -61,7 +61,7 @@ pigment { color Gray40 }
 #declare Les_Bornes = object
 {
 union	{
-	#local E = 0.12;
+	#local E = 0.02;
 	object { Un_Cadre translate y*(BV-E)    }
 	object { Un_Cadre translate y*E         }