If you cannot use SketchUcation Tools, you can install it manually: In SketchUp, go to Window > Extension Manager . Step B: Click Install Extension and select the .rbz file.

If you are using an older version of , here is the recommended approach to update it safely:

Libfredo6 Fredo_scale (outdated signature) - SketchUp Forums 20 Feb 2019 —

Alternatively, you can manually extract the contents into your Plugins folder (usually located in

Because Trimble structurally overhauled SketchUp's Ruby API backend over time, LibFredo6 versions are strictly split into two generation paths.

This article covers how to find legacy versions, clear up standard update conflicts, and align your extensions properly. Why Version Matching Matters

: Most modern Fredo6 plugins will not function—or may not even appear in SketchUp—if LibFredo6 is missing or outdated. Compatibility : Current Versions : Released for SketchUp 2017 and newer .