the board i want to make is the aipa buttons is holding
Looks like you should start doodling on a piece of paper, starting with a 1" per 1’ scale, stringer first.
Try nose at 12"…16"
WP 19", at 4" ahead of center
Tail 14"
Then adjust as you go along.
That’s how every other template maker makes their templates
Once you get your outline, you go profile, for thickness flow and placment, rocker and nose kick.