??? for CSick - hatch measurments

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hey nick, im gonna start on the mold for my top hatch today and i think it will come out nice the only thing i need to know is the shape of the hatch at the front, at the end near the bow, i need to know how long the part is that fits in the gutter and what angle with respect to the tangential does it go, if you think about a side view like this |---| i need to know the (|) on the right, sorry if this is confusing, i hope you understand what im talking about haha, thanks for the help