Convertible top bow measurements

[Rukiddin]

I made one of the templates that Ford/mustang factory shop manuals shows and not convinced it is accurate. Anyone here used or made one of them? I have the original stay pads and the template is not close to duplicating those measurements. I think the "pilot hole" that locates on the coat hook attaching screws is off by 3/4" ,or more. Any others have measurements that produce good fit/alignment? Thanks

[TLea]

For factory height set rear bow to 19 1/2" +/- 1/2"