+module BracketR(){ ////toplevel
+ rotate([-90,0,0]) Bracket();
+}
+
+module BracketL(){ ////toplevel
+ mirror([1,0,0]) BracketR();
+}
+
+module Kit(){ ////toplevel
+ for (y=[0, -wallh-5]) {
+ translate([0,y,0]) {
+ translate([5,0,0]) BracketR();
+ BracketL();
+ }
+ }
+}
+
+Kit();