Copying sketch pattern from one file to another file

Friends,

I'm designing a transformer unit control box, in which there are 2 different sized boxes,  the shape and the size are all different , but the base for the 2 boxes are same. In the box1 there are about 250 threaded holes with corresponding x and y axis positions, i made all the holes, It will be comfortable that any option like copying the sketch pattern for holes of box 1 to box2, Need your help.

i have attached the photos of 2 boxes.

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