Wow, thanks for being so 'Johnny of the spot' on this! Kudos to you and @loooo.
I'm about to try the fix
OficineRobotica shared a clip of how to enable the UI you see in his demos
https://github.com/realthunder/FreeCAD_ ... 3/releases
Merged the above question in to the main SheetMetal thread.
There is the Trails Workbench. It stemmed from several threads over the years: