Yes. Like all previous versions, . Fredo6 has never charged for this library, in keeping with the open-source spirit of the SketchUp Ruby API community. However, some of the extensions that depend on LibFredo6 (like FredoScale or RoundCorner) are "freemium" – free for basic functions, with a one-time donation unlocking advanced features. Even then, LibFredo6 itself remains free.
Without LibFredo6, many of the most used SketchUp extensions will fail to load. It is a strict dependency for: Amazing SketchUp Extensions in 2026 - Joint Push Pull! libfredo6 v7.6
If you work in a non-English environment, you’ll love this. Fredo6 improved the system. Translations are now more accurate, and the fallback mechanism (when a phrase isn’t translated) no longer breaks the UI layout. However, some of the extensions that depend on
To get the most out of this library, follow these pro tips: It is a strict dependency for: Amazing SketchUp