Hi Larry, I'm glad the arrow gap setting is useful!

Re: MiterArrowheads=n , (http://moi3d.com/forum/index.php?webtag=MOI&msg=9363.86)

The MiterArrowheads moi.ini setting only has an impact on the viewport display inside of MoI, it doesn't affect PDF/AI file content.

Closed arrowheads in the PDF/AI content are not mitered because they have only a fill set for rendering their paths, not a fill + stroke. So for closed arrowheads, there isn't any piece of it that extends further than the tip point.

It's difficult to make the same thing happen on screen vs in PDF file because the screen has a far more limited resolution to work with.

- Michael