Planetary Gear Hand Spinner 3D Printable Mechanical Toy 3D print model

This is a fully functional planetary gear hand spinner designed to print in one piece — no assembly required.All gears are built to move freely right after printing, allowing you to enjoy the smooth motion of a real planetary gear system.

Perfect for mechanical enthusiasts, 3D printing fans, and anyone who enjoys kinetic desk toys.You can feel the mesmerizing gear movement as all parts rotate in harmony, creating both a visual and tactile satisfaction.