I like to tiller right down into the fads but not through to the handle to even out stress this helps to reduce set and string follow. Your tiller will never change and you end up with a nice forgiveing stable hunting bow likeI said never changes.I'm a hunter and and just like building hunting bows.
I'm not trying to take anything away from your bow YOU'VE DID GOOD. Your young but after a few years through trile and arror and lots of bows, different designs,different leanths,different woods you'll end up building bows the kinds of bows you like to build. What works best the way you see it. I did this you will to everyone dose.
This is why every bowyer thinks he builds the best bows. That is if you get around to thinking your a bowyer. I like to build bows but like I said I'm a hunter not a bowyer. Been there none that it's not for me. Keep at it your well on your maybe comeing a bowyer if you wish to.