Hide EP pin and create GND-stack

TripwireHook.lib

@@ -114,7 +114,7 @@ X Z2 6 450 100 150 L 50 50 1 1 O
 X GND 7 -450 -350 150 R 50 50 1 1 W
 X Z3 8 450 0 150 L 50 50 1 1 O
 X A3 9 -450 0 150 R 50 50 1 1 I
-X GND EP 0 -600 150 U 50 31 1 1 W
+X GND EP -450 -350 150 R 50 31 1 1 W N
 ENDDRAW
 ENDDEF
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