Hello Michael, Hello Pilou,

thanks for the answers. Mainly I would need that for open curves, not surfaces, so I installed the script you provided. That's really interesting how it works now. I can join open curves and even there is a gap it joins and I would never identify it as an open curve, cause it's joined. But this little tool shows the overlapping or the gap with the point.

Great!


Best regards,

Axel