I'm working on a project right now where I'm using this technique, but there is one thing that I've been wondering. Is there a way to make the line look more ha

I'm working on a project right now where I'm using this technique, but there is one thing that I've been wondering. Is there a way to make the line look more hand-drawn, or faded in some way? I've tried using SVG Filters but I can't seem to get it quite right.