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.
All control commands can be found in the menus, the most important ones can also be found in your toolbar. See Section 8.5, “Menus and icons”.