This is one really good serif variable font: http://www.gt-alpina.com/ http://www.gt-alpina.com/ Different variable fonts use different variable “axes” – choo

This is one really good serif variable font: http://www.gt-alpina.com/ http://www.gt-alpina.com/ Different variable fonts use different variable “axes” – choosing what parameters can/should be variable is just another design decision in making a font.