SketchUp extensions are add-on tools that solve 3D modelling problems which might otherwise leave you scratching your head. And there are hundreds of them to explore.
These extensions enable you to add special tools and features to SketchUp. You can find extensions for a specific application (such as drawing or 3D printing) and industry-specific tools (such as extensions for architecture, interior design, construction, and more).
In the Extension Warehouse, you can:
You can browse the Extension Warehouse from within SketchUp, or below: