Rotating Illusion

🌀 Rotating Concentric Illusion – 3D Printed Optical ToyThis 3D printed model consists of two overlapping circular layers featuring concentric cut-out patterns. The pieces rotate relative to each other, creating a smooth optical illusion where the inner area appears to shrink, disappear, or transform as the rotation progresses.Designed as a simple yet captivating kinetic object, the model combines geometric symmetry with motion to produce a dynamic visual effect.Features:Two rotating concentric discsOptical illusion effect during movementSmooth, satisfying rotationMinimal assembly (print and stack)Ideal as a desk toy, demonstration piece, or visual experimentRecommended use:Stress-relief / fidget toyEducational demonstration of optical perceptionDisplay object for 3D printing showcasesPrint-friendly design suitable for most FDM printers.