Let's assume you have downloaded various DXF files into C:\Users\User\MyLibrary (or /Users/User/MyLibrary) and sub folders thereof. Once you have downloaded DXF/DWG files and extracted them if they came as a ZIP file, you need to tell QCAD where to find these files. Search for 'DXF' and a keyword you are interested in, for example 'DXF electrical symbols' or more specific 'DXF electrical outlet', etc. Architecture, Electrical, Mapping, Mechanical, Piping, P&ID, TransportationĬountless other resources can be found using an Internet browser.Here are just a few such sites which have collections of DXF/DWG files: Depending on your specific needs, you can use a search engine to look for existing DXF/DWG files with CAD symbols or blocks. However, there are countless online resources that offer free and paid collections of DXF/DWG files for use in any CAD system. Various QCAD part library items are available from our site at: Any collection of DXF or DWG (and to a certain degree SVG) files can be used with QCAD as a part library.