How to apply PC3 config file when rendering CAD formats

From 21.11 version you can apply PC3 file configuration. PC3 file is “Plotter Configuration Version 3” – contains settings for a particular plotter, GroupDocs.Viewer can apply width/height of page from PC3 file. To apply PC3 file, please use the following code:

    try (Viewer viewer = new Viewer("sample.dwg")) {
        PngViewOptions options = new PngViewOptions("result.png");
        options.getCadOptions().setPc3File("small_page.pc3");

        viewer.view(options);
    }

PC3 files location

By default, the PC3 files of an Autocad installation will be saved at:
C:\Users\%User Name%\AppData\Roaming\Autodesk\AutoCAD [Version]\[Version Code]\[Language]\Plotters For example, for an English version of Autocad 2021 it would be: C:\Users\%UserName%\AppData\Roaming\Autodesk\AutoCAD 2021\R24.0\enu\Plotters