Click this tool, then a line in 3D view. you'll get some data often the length of a edge.

Understood. And I figure out a double "solid feature" can correct the shell.

You can find "geom info" in Curves Wb.

Brown Solid feature icon for a shell I guess?
Why the shell is made instead a green solid?
Maybe because some faces are reversed?

some voronois
https://forum.freecadweb.org/viewtopic.php?f=24&t=60389

I've got a part with volume... but no mass. How is possible?
Fillet give a strange error too.
Quantum mechanic, black matter, twilight zone or something like that?

Thanks a lot, moving the start and end point works nice.
I've thank about to work with an half curve as it's symmetrical.

Hi,
Trying to round a closed curve, but as his start begin on the first discretized point, there are still a corner on the curve.
Any tricks?

Beaucoup en version linux, comment ça, les windows-freecadiens seraient minoritaires...?

Version simplifiée.