When I began to work on PostProcessingPlugIns, it was a pain as there is no way to debug the script No message, even sometimes my plug in not appearing in the list.   So I tried to install a standalone Python with debugger and work on it. This is what this post is about ...   I Have windows 7 64 bit, Cura 4.0 and Python 3.7 with IDLE   I build two configuration, one for the Cura script folder (for me in \AppData\Roaming\cura\4.0\scripts) and one in the script f