Weather clay was applied to dead flesh as in bucket of blood or blood was mixed with paint, living art can be a template. The creature is projected like a summoning. If the solid projection dies, it vanishes, but can remanifest in 24 hours as long as the art endures.
Willie the wyvern was polymorphed into a children's book by a powerful wizard, but he gets readers to let him out to hunt. A full write up of this homebrew is in homebrew. I may link it later.
DNAngel is a living art character. For the game, you have to apply more rules crunch because the Anime was very vague as to weather he was possessed or half art. Since 2 people came from one sculpture, the policeman was weakened when near him. While an art bloodline is suggested, you would have to open up bloodlines to non sorcs so not suitable for PFS. I have heard of a summoner archetype where the evolutions are applied to the summoner. Once his bloodline manifests he can climb, leap, and other talents. His destiny is to separate the art from it's victims and lock it away. The birb becomes one of his sidekicks so they can be redeemed.