Easily Place Pads Relative to Other Pads (Move Grid Origin)

Easily Place Pads Relative to Other Pads (Move Grid Origin)

This technique is most useful when a datasheet specifies the location of a pad  relative  to some other reference pad. Instead of trying to calculate the absolute X/Y coordinates of the new pad you can simply temporarily move the grid origin to the reference pad and then create a new pad whose X/Y coordinates are simply the relative offsets given in the datasheet.