This is "Flywheel Illusion Fidget Toy" model designed that change your mood & feel relax. It is manually operated. This model includes simple planetary gear mechanism which rotates the flywheel counter clockwise which creates illusions of spinning and creates the sound according to your rotating thrust speed. This will blow your mind, distract you from tension and will feel relax at the same time. No any external bearing used for toy. You can rotate directly through flywheel or through gear (Clockwise or counter clockwise). It is very useful for daily carry purpose as a keychain. I have added 2 multiple flywheel collections. You can remove & update new. Description: 1) "Flywheel Illusion Fidget Toy". 2) Functionally compact Design. 3) Mechanically Rigid, sturdy. 4) Simple, smart, adorable to Daily Use. 5) Stress free gadget creates illusion & sound. 6) Very attractive. 7) Used as Keychain. 8) Fully Tested. Material Used: 1) CR-PLA Matte Black. 2) PLA+ Green or any color. 3) PLA+ light Blue. Print Parameters:-(Common Setting) Slicer Software: Creality Print 5.1.6 Printer: Ender 3 KE Profile Mode: Normal Quality Infill : 15% Retraction : 2mm minimum Print Speed: 300mm/sec. Printing Temp: 220°C. Support : Yes. For Detail Print setting please refer Doc file.Note: - 1) Use Sand Paper if needed. 2) Use Super glue for some fixed parts. 3) Use filament as a Hinge Pin. Use nose piler for holes.( Do not Create too much Clearance in hole, Make sure filament pin will easily (freely) rotate in holes). 4) If possible apply lubrication inside gear box.For assembly please check Doc file.This model is designed for stress relief Fidget Toy Contest,https://www.crealitycloud.com/contest/stress-relief-fidget-toy?tab=1 Hope You like it..!! Thanks for Watching..!! Please Support, Share & follow for more interesting designs..!![%4360916776][%1951448743]