About Gearmaker
A gear generator that actually lets you order functional metal gears.
by the finalREV team

What is Gearmaker?

Gearmaker is a web app for designing precision gears and ordering real, functional micro gears in metal. Dial in your parameters, preview in 3D, and check out—no CAD expertise required. It’s the fastest way to go from idea to usable gearing.

Why we built it

Building reliable gear trains for prototypes and products shouldn’t require weeks of CAD work or minimum order quantities. We wanted an easy way to configure small, high-quality gears and get them made—fast. Gearmaker brings parametric design and manufacturing together so you can focus on building.

We’re shipping frequent improvements and expanding materials and sizes based on your feedback.

Gearmaker app preview

How it works

Set your gear parameters: Choose module/DP, teeth, pressure angle, width, bore, and more.
Preview in 3D: Inspect geometry in the browser and validate the fit before ordering.
Checkout to get parts made: Order functional metal gears directly—no exports or emails required.

Built by finalREV

finalREV is a quick-turn machine shop in Oakland, California focused on removing bottlenecks in hardware engineering. We’re building software-first, vertically integrated factories to help teams iterate at the speed of software. Alongside the shop, we create free tools like Gearmaker to give back to the maker community. Learn more on the finalREV website and our mission page.

Join the community

We’re actively improving Gearmaker and releasing more design & engineering tools. Share ideas, report issues, or show what you’ve made—we’d love to see it.

Try Gearmaker today
Customize your gear parameters, preview in 3D, and checkout to get your gears made in days.