There is no fully "free" professional version, but you can access trial or limited editions:
The plugin for Revit, developed by Advanced BIM Systems, is a tool for designing kitchens and storage using Revit's native curtain wall toolset. While "proper paper" isn't a standard technical term for this plugin, it may refer to the official User Guides or Technical Papers included in the download package. Official Download & Free Versions
If the user is looking for tools to handle within Revit, the "Top" free options are listed below in Section 4.
