fix fixation

rails-courbes-reverse.scad

@@ -1,8 +1,7 @@
-mirror([1,1,0]) union(){
+
 translate( [0,0,0]) 
     linear_extrude (height=2)
-        import (file="rails.dxf", layer="rails-courbes-traverses", $fn=100);
+        import (file="rails.dxf", layer="rails-courbes-reverse", $fn=100);
 translate( [0,0,1.99]) 
     linear_extrude (height=2.4)
-        import (file="rails.dxf", layer="rails-courbes", $fn=100);
-}
+        import (file="rails.dxf", layer="rails-courbes-reverse2", $fn=100);