Thanks for explaining that; that makes sense. I still don't /like/ it because it seems I'll need to add in some sort of 0.001mm overlap into the code if I want

Thanks for explaining that; that makes sense. I still don't /like/ it because it seems I'll need to add in some sort of 0.001mm overlap into the code if I want to ensure this doesn't become a problem. And this feels like a messy way to go about it.