If you are making your own vector artwork (like physically drawing designs and scanning them into Inkscape or another vector software tool like Adobe Illustrator) – it can be frustrating when your hand-drawn picture doesn’t look very good. One reason that artists struggle is that their artwork has thin lines. Here is a quick walkthrough where you can easily and quickly increase the thickness of the lines and create “Disney” style thick inked artwork.
Inkscape is a free vector software tool that is available here:
https://inkscape.org/