W12 Fidget engine keychain

If you want to sell this print, get commercial license via patreon https://www.patreon.com/c/Artemix796 After a lot of requests, I finally made it — a W12 engine block fidget keychain! Turn the flywheel and watch the pistons move inside the cylinders. The mechanism is designed to be satisfying to play with while also looking like a miniature mechanical engine. Features: Functional flywheel mechanism Moving pistons Prints completely without supports Cylinder firing order is the same as on a real…

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