Hi Pilou,

re:
> Yes it's that i do
> but you have an internal "cap" on the first sphere and you must kill a part!

Only if you don't pick anything at the last stage, that's when it will cut it up and leave all the pieces.

If you don't want the internal cap then you need to tell Trim that is the piece you want to discard.


> Believed that all was automatic! :)

The purpose of the Trim command is to not automatically decide which pieces to keep and which to discard. It's the boolean commands that automatically decide that.


> ok that works but you must CLICK one by one the Spheres and not "All " at the prompt :
> "Select pieces to Keep or Push Done to Keep All"
> Curious but working! Cool!

You don't have to only click, you can use any selection method. See the above video where I do a window select for example.


> It's also working for my 2 objects but I must "Join" each object before run the Trim
> And one more time that works not with the second "Done for All" but yes cliked "one by one"!
> That was the trick! :)

No, you don 't have to Join the objects beforehand but it is kind of convenient if you do.

Here is another demo with your file:


- Michael