Unique 3D manufacturing information which would have been lost when converted to older STEP files (top image), will now be captured by the STEP AP 242 file format and used for manufacturing ...

For fabrication, a 3D STEP file would be more useful than a 2D centerline sketch. Export as STEP AP214, and you can include ...

I want to do some very basic editing of STEP files, e.g.: I need to do this sort of thing about a hundred times, so I'd rather learn how to fish than pay someone to do it, even if it's only a few $$ ...