Windlass Lofrans X1 Finger

I had to replace my lofrans X1 Finger and just to learn tried to design it from the original one. It fits, I don't know if you can print it with a strong enough material to resist the friction of the chain/rope. I let the voids on the bottom part to maybe fill it with epoxy and give it more strength. Tell me if it's useful or if you know a way to make it really stronger !
(The piece itself from Lofrans is not very expensive, but is really fragile overall, the best would be able to mix a bit of metal on the contact part.)