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Spin-Through Fidget Generator

Free 👁 4 views · Online tool

A parametric spiral pass-through fidget: shell ribs and core slots share the same turns/handedness/phase, so the core screws through like magic. Cylinder/cone/polygon shapes with a live fit meter; print both parts support-free. Exports color 3MF/STL/parts ZIP.

1Upload an image or set a few parameters

2Preview live and fine-tune with sliders

3Export STL / 3MF and print

⇄ Input / output: Parameters only → color 3MF / STL / parts ZIP

💳 Cost: Free · everything is generated locally in your browser.

🔒 Privacy: Generated locally in your browser; files never leave your device.

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