Hello
I test this free software: https://github.com/arkypita/LaserGRBL
And it give nice results using Vectorize and Centerline


The software used free codes like: Protrace, SvgLibrary ...
https://github.com/arkypita/LaserGRBL/tree/master/LaserGRBL/CsPotrace
Can you add these features: Vectorize and Centerline and export the result To SVG