diff --git a/xperiment.inc b/xperiment.inc
index 5a2817b..ee5d218 100644
--- a/xperiment.inc
+++ b/xperiment.inc
@@ -121,6 +121,7 @@ union	{
 	#local K2 = K + 1.35;
 	box { <-K2, 0, -K2>, <K2, 1, K2> pigment { Gray30 } }
 	}
+scale 0.5
 // rotate -y * (clock*0.33)
 #end
 // =======================================================