A Glyphs.app plugin for visualising stroke uniformity.
The Callipers plugin helps you to visualize the thickness of strokes. If you are creating a low contrast font, you want to ensure that curves on the inside and outside of a stroke vary at the same rate, so that your stroke remains a consistent stem thickness throughout the curve. Presumably decent type designers can do this by eye, but I am not a decent type designer, and need help from a computer to tell me whether my stems have consistent thickness or not. That’s what the Callipers plugin does. This animation should be worth a thousand words:
Install it from the Glyphs Plugin Manager today.