Libfredo6 V9.5 Extra Quality Jun 2026
Version 9.5 exemplifies the "Unix philosophy" applied to architectural modeling: Write programs that do one thing and do it well, and write libraries that let them work together. Fredo6 is not a corporate entity with a quality assurance team; he is a single developer. Yet, through disciplined version control (v9.5 being a minor but critical iteration), he has achieved a level of reliability that rivals commercial software.
Creates smooth fillets and chamfers on 3D edges.
| Your SketchUp Version | Ruby Engine | Compatible LibFredo6 | Action Required | | :--- | :--- | :--- | :--- | | | Ruby 2.0 | ✅ v9.5k (Legacy) | You must use the v9.5 branch. This is the correct version for your setup. | | SU2017 & Newer | Ruby 2.5+ | ❌ NOT v9.5 | DO NOT install v9.5. You need LibFredo6 v15.x or higher. |
Automated checking for newer versions of installed Fredo6 plugins. Maintenance Tools: libfredo6 v9.5
If you are still running LibFredo6 v8.0 or v9.0, you are exposing yourself to memory leaks and crashes, especially when using Joint Push Pull on complex meshes.
: For developers or power users, errors related to this library often appear in the Ruby Console (Windows > Ruby Console) if there is a conflict with other scripts. [Plugin] Animator - v4.6a - 18 Dec 25 - sketchucation
To understand libfredo6 v9.5 , one must first understand the problem it solves. SketchUp, by default, is a powerful surface modeler but lacks many advanced tools—such as offsetting on curved surfaces, complex Bezier curves, or advanced fillet functions. Enter Fredo6 (real name: Fredo), a French developer whose suite of plugins (FredoTools, Curvizard, RoundCorner) fills these gaps. However, these plugins all share common functions: graphic user interface (GUI) elements, mathematical error handling, and language translation protocols. Version 9
Installing LibFredo6 correctly is straightforward, but because it is a dependency library, the order matters. Follow this precise method:
Think of SketchUp as an operating system and Fredo6’s modeling tools (like RoundCorner or TopoShaper) as software applications. LibFredo6 is the engine or the shared code library that those applications need to run. Version 9.5 brings critical updates, performance optimizations, bug fixes, and compatibility patches ensuring smooth operation on modern versions of SketchUp and updated computer operating systems. Why Does Fredo6 Use a Shared Library?
Performance enhancements in v9.5 also include better handling of large geometry and complex calculations. By offloading these tasks to the optimized library code, individual plugins run more efficiently, leading to shorter wait times during operations like lofting or scaling. Furthermore, the library provides a robust debugging console that helps advanced users and developers troubleshoot errors quickly, making the entire SketchUp ecosystem more reliable. Creates smooth fillets and chamfers on 3D edges
Must-have. Download it immediately if you plan to use any Fredo6 extensions to avoid compatibility errors.
, where you can download it for free after creating an account. SketchUcation Installation Steps Sketchucation Install via Extension Manager: In SketchUp, go to Window > Extension Manager Install Extension Restart SketchUp: critical step
If you are using modern SketchUp versions (2017+), you should use the newest version of LibFredo6 (v10.0+), but for any earlier version, is the essential, must-have library.
Match your screen resolution (crucial for 4K displays).
