@Li-Xiao
I found it interesting how you recreated it in VectorStyler.
I’ve already experimented with the various coloring options in VectorStyler.
NodeBox 3 (free) allows you to export results as .SVG or PDF.
You can then import the .SVG file into VectorStyler and use the Colorizer
feature to apply color in a variety of ways.
I haven't quite decided how I want to color it yet. But the idea of using a bitmap
that could be repositioned seemed like the most flexible approach.
For instance, I could export the design as a bitmap, paint a pattern over it,
and then use that pattern—in turn—as a bitmap for coloring.
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It looks like I’ve found a way to do it in Paragraphic now. To make it work, you have
to recreate the shape as a polygon in Paragraphic because it needs to be an open path;
otherwise, it won't work.
Here’s a video showing how it’s done.