Internet resource
https://dwgfree.com is a free cad block exchange website that allows users to share useful CAD blocks (components, symbols and other drawing parts) in the following formats: .DWG (AutoCAD), RFA (Revit) and IPT (Inventor). Blocks are divided into profession categories and subcategories. You can start browsing by selecting one of the profession tabs and one of the subcategories. The AutoCAD program is developed by the absolute leader of advanced 2D and 3D technologies by Autodesk. Our DWG Free drawings can be downloaded without registration. We are partners Autodesk.