About Involute Studio
Involute Studio draws one thing carefully: the tooth of an external involute spur gear, and the mesh it makes with a second gear. Module or diametral pitch, pressure angle, profile shift, fillet, and backlash. The outline is computed in the browser. The SVG is 1:1.
Andrew Prestridge is a gear engineer at Evolvent Design. The same desk builds Gear Calculators, the full design set, and Evolvent Design, which manufactures custom gears. The Evolvent Design YouTube channel is the shop, on video.
This site is the free profile. It does not rate bending or wear, it does not pick a quality grade, and it does not take payment. A DXF of the same outline is planned. Until that exists, the button on the designer only collects a waitlist address, and only if the endpoint in the site config is connected.
The notes — involute, profile shift, module and diametral pitch, undercut, CAD — cite ISO 21771, ISO 53, ISO 54, and AGMA practice by name. They do not reproduce those standards’ tables.