Vegapunk developed a way to feed devil fruits to inanimate objects, and there are several successful examples of them throughout the series.

Chopper has always had one of the more interesting Devil ... Human Fruit Model: Sun God Nika, being incredibly relevant to the modern story. Plus, the fruit itself, being a Human-Human Zoan ...

has a very broken devil fruit ability. Chapter 1143 of One Piece reveals that St. Killingham possesses the Dragon-Dragon Fruit Model: Kirin, a mythical Zoan that allows him to put his targets to ...