Hi Zooen,

re:
> Yes I agree, but the connection "point" remains a corner point (you can see it if you move it
> slightly or if you do an extrusion).

If you like you can delete the connection point.

I have some ideas on having a kind of symmetry drawing mode that you could turn on and maybe it could make a result without a corner point on the mirror axis line, we'll see...

- Michael