Hi Peer,

re:
> Would adding 4 snap lines resolve the ambiguity of r67?

It could for picking with the mouse but not for controlling it by text input alone.

- Michael

@MO,

re:
> Maybe it makes more sense to use "clockwise" and "counterclockwise" definitions instead of left or right.

Maybe it's not so bad for left and right to mean make the point on the left or right hand side but it doesn't necessarily also have to be a "directional turn angle".

- Michael