Print this model to fine-tune and test your slicer settings and get rid of annoying stringing.
This is the original, Basic Stringing Test by Loohney with over 160,000 downloads on other platforms.
Angus from Maker's Muse has an excellent video on Stringing, check it out here.
There are hundreds of other tutorials on getting rid of stringing on YouTube, you'll find one that fits you and your printer.
The author hasn't provided the model origin yet.