I looked at these and do understand the advantage over working with segmented arcs but I was not able to achieve the requested ...
Am I missing something or a tut?
Many thanks!!!
Jörg
EDIT: I thought too complicated ...
Using the manual method above and determining the true intersections did it.
Then all I had to do was to draw all circles/arcs (again) using the generated cPoints.
THX to TIG (again)