Hello, You can change group layout (so also dial sizes) in the "Edit group" window - right click group name or click the main menu to access "Edit group". See also introduction video: https://www.youtube.com/watch?v=mgAJTjrcIRI I'm also working on a updated documentation: https://github.com/fastaddons/GroupSpeedDial/wiki/Group-layouts Best Regards, Juraj Mäsiar
