I cut one side first to the way I wanted it, then I went ahead and traced a template of the shape I cut and matched it up to the other side.
The other thing I did that helped quite a bit was to draw lines horizontally and vertically across and up and down the hull so that I had reference points for grinding to help me match up what I did to each side.
The other thing I did that helped quite a bit was to draw lines horizontally and vertically across and up and down the hull so that I had reference points for grinding to help me match up what I did to each side.