I have to give a shout out to Pete Kenyon ( a fellow builder in the UK ) for supplying me with the 3D model of the skeg ! Thanks buddy !
I had this printed locally and used it for an internal mold for the skeg. I coated the mold with clear packing tape and proceeded to lay up fiberglass overtop. This worked quite well the challenging parts were the tight corners at the aft end of the notch but a little bit of snipping and TLC and it worked out OK. I did about about 3 layers of cloth on this on this but in hindsight I've should have done more, it would've made the mold more rigid once I removed the 3-D printed plastic. Because I ended up with a flexible mold I had to use a clamp to hold it together to ensure the proper size once I started pouring epoxy inside with the chopped fiberglass.
Once I had most of it poured in, added the 10mm stainless steel anchor bolts.
One thing I did learn was not to pour too much epoxy into the mold at once, as it has a tendency to start start a chemical reaction and creating a lot of heat.
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