old version that has been fixed by now. I'd ask you to test this on the Rhino6 beta (which I am using to test this), but it looks like you're using a cracked version of Rhino so you probably don't have access to that.…
ider and a list item component to select a particular brep A or B or C, without selecting a particular breq inside each of them?
It seems the merge function will merge all the breqs inside each of the breps into one flattened list ...…