I’m at work atm but tomorrow I can take a quick look at your blend file and screenshot the way I would fix it.
Working Blender on my tablet here is no fun :c
Also:
Here’s one of those price catalogues that we made as PDF-file, only 240 pages, but it gets the point across. If you skip to page 30 you can see the parts with the vectors/splines in blue and then the rendered versions.
