how to add pen hand

[wanghaisheng]

I like your work .
wonder how can I add pen hand to mock a human drawing process?

https://www.google.com/url?sa=i&url=https%3A%2F%2Fpixabay.com%2Fillustrations%2Fwriting-hand-writing-hand-pen-1891073%2F&psig=AOvVaw1-BxGgMuEz3Slfw4BAMAIn&ust=1630644308943000&source=images&cd=vfe&ved=0CAkQjRxqFwoTCMjn5c293_ICFQAAAAAdAAAAABAE

[Otoliths]

Hi,@wanghaisheng

This is very good idea, but R package rfishdraw is designed for programmatically generated fish drawings via ggplot2 based on JavaScript library https://github.com/LingDong-/fishdraw. You can seek the author help via https://github.com/LingDong-/fishdraw/issues.

Good luck!