This 3D printed spiral cone fidget toy, often referred to as an “impossible cone,” is a type of kinetic sculpture that creates an optical illusion when spun. It typically consists of a cone-shaped object with a spiral pattern etched into its surface. When you spin the cone, the spiral pattern creates the illusion that the cone is moving in ways that seem physically impossible. This type of toy leverages visual perception tricks to create a mesmerizing effect, making it a popular item for both en

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