Fredo6 plugins are generous with their trial periods. You can download the full version of Fredoscale from the SketchUcation Plugin Store or the Fredo6 library. While it technically requires a license for long-term professional use, the plugin often allows for an evaluation period. This is the best way to test if the tool fits your workflow before you buy.

More Fredo6 plugins becoming paid extensions - sketchucation

Many tutorials and "Top 10 Free Plugins" lists created before 2022 still rank FredoScale as a free tool.

Q: How do I get FredoScale License Free? A: Visit the SketchUp Extension Warehouse, sign up for a free trial, or contact Fredo6 directly for a free license.