In Photoshop and many other programs, the bracket keys [] are used to increase and decrease the brush Radius respectively

Does Blender's Grease Pencil have this functionaltiy? I can't seem to find anything of the sort in the User Preferences.

If nothing exists, how would I go about creating it?

• The blender manual only mentions tablet/touch pressure as a means to vary the thickness of the brush. You would need to implement your own key combination for this functionality. Jun 10 '18 at 9:20
• No options for this seem to be visible in User Preferences. Where would be a good place to learn how to implement this functionality? Jun 11 '18 at 17:54
• I am also curious. The closest data path is wm.radial_control with tool_settings.gpencil_vertex_paint.brush.size , but it will popup a ring like 'F'. Mar 15 at 4:04