🛠️ Free-Moving Piston Keyring – STL File

Rev up your prints with this miniature piston keyring, designed for petrol heads and makers who love mechanical detail. Inspired by internal combustion engine components, this keyring features a realistic piston and connecting rod assembly, printed in three separate parts for a free-moving finish.

🔧 Print & Assembly Details

• Print Time: ~18 minutes
• Parts: 3 individual components
• Assembly: Requires glue for final construction
• Motion: Fully articulated once assembled
• Material: PLA recommended (but flexible)
• Weight: 3.01g

This model is quick and easy to print, making it perfect for beginners or anyone looking for a fun, functional accessory. Whether you're adding flair to your keys or gifting a fellow gearhead, this piston keyring delivers charm and engineering spirit in miniature form.

🚫 Licensing & Use

• Non-commercial use only – please do not sell prints of this model.
• Commercial license available – contact me directly if you'd like to sell or distribute.
• This model will eventually be part of my Patreon collection, so stay tuned for exclusive content and updates.

💬 Creator Notes

I designed this piece to celebrate the mechanical beauty of engines in a compact, printable format. It’s a great conversation starter and a satisfying build. If you enjoy it, consider supporting me on Patreon once it’s live!