I wonder why the design of the RR gauges is so poor, starting from the application icon. The object are rich in properties but the look and feel is lagging behind and doesn't make justice to the program features. A professional designer could do wonders here. Here are a few examples of well designed gauges.

https://youtu.be/-h-bFH6cpKk
https://youtu.be/u3tYNKpJOmg
https://youtu.be/d2oL0BYt_gs