I have 60 artboards in illustrator with different objects on them, some of the objects aren't centred. I am trying to reflect each individual object along the X-axis of its respective artboard. I have tried creating a box the size of the artboard and selecting the object and the box but still, the object mirrors in place rather than to the opposite side of the artboard. The problem might be that all the objects are on the same layer but I am unsure. Any help would be appreciated.
Here is the B reflecting in place.