put cubes 1 and 2 on top, to match schematic

CircuitCoupling/R_circuit.geo

@@ -17,10 +17,10 @@ Extrude {0, 0, 1} {
 Translate {2, 0, 0} {
   Duplicata { Volume{1}; }
 }
-Translate {0, 4, 0} {
+Translate {0, -4, 0} {
   Duplicata { Volume{1}; }
 }
-Translate {2, 4, 0} {
+Translate {2, -4, 0} {
   Duplicata { Volume{1}; }
 }