After making a few basic 3.0 avatars from scratch, I decided I wanted to try some of the more advanced features: making an avatar with animated wings a weapon I can summon by making a fist with my hand.
As I went about making this new avatar, I created a guide on Google Docs to keep track of all the steps and pitfalls involved with implementing these features. Like my original VRChat Avatar Creation guide I posted in these forums, I tried to write this in a way that is newbie friendly, with the assumption that the readers might not know anything about how playable layers work or how Unity’s Animations and Animator Controllers work (because I sure didn’t before trying it for myself!). Anyways, here’s the guide: