High bit depth GIMP is an amazingly excellent and awesome image editor.
I posted a tutorial on how to use some of the incredibly useful new
features that will be unfamiliar to people using other image editors:
Autumn colors: An Introduction to High Bit Depth GIMP's New Editing
Capabilities
I thought this could be a good math foundation for drawing scalable fonts
because it does circular and off circular compound arcs well...
http://benpaulthurstonblog.blogspot.com/2015/11/4-point-sigmoidal-elliptical-curve.html
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