Our 3D CAD supplier models have been moved to 3Dfindit.com, the new visual search engine for 3D CAD, CAE & BIM models.
You can log in there with your existing account of this site.
The content remains free of charge.
Open the context menu of the top-level folder ...23d-libs in Project selection.
Click on Create New Folder.
--> The new folder “test” is now displayed in the directory tree.