Geneva mechanism

By Byteworks

Six-slot Geneva drive: star wheel, crank disc with pin and lock relief, and a base plate with two axle posts, as three separate parts.

Model
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Geneva mechanism, 3D printable model

Prompt that made this

Geneva mechanism. Three separate parts, not grouped: a six-slot star wheel 55 mm across, a drive disc with its pin in one slot, and a base plate under both.

Open the model

Made in Voloom from the prompt under the model. Sign in to download the STL, or fork it so every size on the right becomes editable — without spending credits.

Why this one

Demonstration or intermittent-motion mechanism that indexes an output 60 degrees per input turn

The drive pin enters a wheel slot, rotates the wheel 60 degrees, then leaves. The lock disc sits in a concave wheel arc and holds the wheel still between indexes.

How to print

Download the STL, 3MF, or STEP and slice it. Fork the design to change a size before you print.

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