The current duplicator copies events. You jest have to make sure the actual brick you hit it with isn't overlapping.
For instance, we have a tower of evented bricks.
X
X
X
X
X
X
O X X X X
Now, let say you hit the duplicator on the "O" and duplicate it over the "X"s on the ground.
X 0 0 0 0
X 0 0 0 0
X 0 0 0 0
X 0 0 0 0
X 0 0 0 0
X 0 0 0 0
O X X X X
Now since the O you duped was overlapping the bottom Xs, all the bricks on top have no events. That's why I made them 0s
But if you removed the bottom four Xs, it would do this.
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
O X X X X
So now, because the brick you selected wasn't overwritten, they all have events/