Piranha Spinner By Makertronica in WorkshopCNC275Introduction: NullBy MakertronicaMy InstagramFollow More by the author: About: I love create and share for the community. The world of 3d printing opened my mind to new creations. Instagram @BJ3D More About Makertronica » This is the Piranha fidget spinner, with fish bones, it's very cool. I hope you enjoy it!