Apply PC3 config file when rendering CAD formats

From 21.2 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:

using (Viewer viewer = new Viewer("sample.dwg"))
       PngViewOptions options = new PngViewOPtions("result.png");
       options.CadOptions.Pc3File = "small_page.pc3";


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