J24 Keel Templates

Phil if you're really convinced you're up for that DIY task, the two most common answer are a) compu-keels (google search), or b) (better) find a well prepared and fast boat that's local to you and pull a set of templates from their keel (after asking permission).

I owned a boat with my family for the better part of 20 years, and the one thing I'd be concerned about getting really right (like worth spending money on, if you want to race), is keel and rudder shapes.