I fixed the way you moved paths, it was really simple, I changed
var xinc = left-xshe;
var yinc = top-yshe;
to
var xinc = left-box.x;
var yinc = top-box.y;
So paths can be moved correctly now. I also changed the default grid size to 5px rather than 15px
http://antimatter15.110mb.com/bbpress/topic.php?id=18
Sorry, The link doesn’t work
Ok, I fixed it!
And path scale
http://antimatter15.110mb.com/bbpress/topic.php?id=19&replies=1#post-107