This was my idea for the cabinet knobs contest. I'm really happy with how it turned out and plan on using it in my office/workspace.
It's 28mm at the widest and about 18mm tall. I designed it for a smaller drawer but ended up printing it at 120% and it looks really good I think.
I also made a version of it with no tapped hole (I know matching those threads can be tricky) instead there are three fins that can be self-tapping.
My printer settings:
The author hasn't provided the model origin yet.