Remnants after boole cut is made.

 From:  Michael Gibson
3217.8 In reply to 3217.6 
Hi Leonard,

> When I created the thread profile I made it so the legs
> extended half way between the helix cycle so there would
> not be a gap.

That could be good if it was like 2 separate objects that were meeting up and then would be joined together.

But having a closed object kind of skim along its own self like that creates ambiguity in the intersection calculations.

- Michael