Rack and pinion

By Byteworks

A module 2 rack with 12 teeth meshed with a separate 16-tooth pinion on its pitch line.

Model
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Rack and pinion, 3D printable model

Prompt that made this

Rack and pinion. Two separate parts, not grouped: a module 2 rack with 12 teeth, and a 16-tooth pinion meshed on the rack.

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

Converting rotation to linear travel, or the reverse, in a printed mechanism

Pinion teeth engage rack teeth along the pitch line. Rotating the pinion drives the rack along Y, and the pinion pitch circle rolls on the rack pitch line.

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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