diff --git a/contexte.inc b/contexte.inc
index bf0d787..85f4698 100644
--- a/contexte.inc
+++ b/contexte.inc
@@ -44,8 +44,8 @@ union	{
 	cylinder { 0, y*H_gyro, R_gyro }
 	intersection {
 		sphere { 0, R_gyro scale <1, 1.414, 1> }
-		box { <-1, 0, -1>, <1, 1, 1> }
-		translate y*(H_gyro+H_gylampe+0.02) 
+		box { <-1, 0, -1>, <1, 1.94, 1> }
+		translate y*(H_gyro+H_gylampe+0.04) 
 		}
 	#if (rand(Rng1) < 0.5)
 	  texture { T_Stone25 scale 1+rand(Rng1) }
@@ -61,16 +61,18 @@ union	{
 		cylinder { 0, y*H_gylampe,    R_gyro }
 		cylinder { y*0.01, y*(H_gylampe-0.01), R_gyro*0.97 }
 		#local WB = 0.017;
-		box { <-1, 0.03, -WB>, <1, (H_gylampe-0.03), WB> }
-		box { <-WB, 0.03, -1>, <WB, (H_gylampe-0.03), 1> }
+		union {
+		  box { <-1, 0.03, -WB>, <1, (H_gylampe-0.03), WB> }
+		  box { <-WB, 0.03, -1>, <WB, (H_gylampe-0.03), 1> }
+		  }
 		#undef WB
 		pigment { color Gray90 }
-		#local Ro = 5.89*(0.5-rand(Rng1));
-		#if (abs(Ro) < 0.06)
-		  #local Ro = Ro * 10;
+		#local Ro = 0.5 + (2.0 * rand(Rng1));
+		#if (rand(Rng1) < 0.50)
+		  #local Ro = -Ro;
 		#end
+		rotate y * Ro * clock
 		#undef Ro
-		rotate y*(0.5-rand(Rng1)) * clock
 		}
 	light_source { y*0.10
 			rgb <0.8, 0.9, 0.999999999>
@@ -92,7 +94,7 @@ union	{
 #macro Les_GyroPhares ()
 union	{
 	#local E = SzSol * 0.431;
-	#for (Idx, 0, 360, 60)
+	#for (Idx, 0, 359, 60)
 	  #local Ang = radians(Idx+7.33);
 	  #local Dx  = E * sin(Ang);
 	  #local Dz  = E * cos(Ang);