In InRoads there was the ability to import templates from Microstation. This enabled complex shapes that were drawn in CAD to be used in templates.
https://docs.bentley.com/livecontent/web/openroads%20designer%20connect%20edition-v14/en/GUID-056CACBC-82F5-1D55-C7EF-9FF420A3DC66.html
Note that this is currently broken (at least in the ProjectWise environment)
Note that this is currently broken (at least in the ProjectWise environment)