Trimble-wide UI style guide for developers

Save time otherwise spent on customized styling, gain new and fresh-feeling visuals (without the hassle), and design an extension interface that users will recognize with Modus.

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SketchUp Ruby API

For creating extensions that add new tools and functionality inside SketchUp

Ruby API documentationGetting started

SketchUp C API

For reading and writing SketchUp files in your own application

C API documentation

Publish Extensions

For sharing your work in the SketchUp extension store

Extension requirementsShare your extension

Extension Digital Signature

Protect and secure your extensions! Encrypt and digitally sign your extensions here if you plan to distribute your extension anywhere other than the Extension Warehouse. If you are interested in improved encryption and obtaining a security certificate for your extension, this is where to begin.

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Extension Warehouse

The best place to distribute your extensions to millions of SketchUp users!

Visit the Extension Warehouse