Create custom-built valve catalogs. The scripts are small Python based programs for creating valves in Autodesk® AutoCAD® Plant 3D by entering just a few parameters. You can use all these scripts to create your own valve catalogs based on your standards. Some standard sizes are provided as a sample.

FAQ: http://www.tamashalasz.com/faq/

Note: This application uses a custom installer (and not the standard App Store installer).