Copy, Paste and Delete Connection Points
You can copy connection points from one shape (or master) to another, pasting back to the original shape duplicates all the connection points which can be useful if you want, say, to create a large number of connection points and then edit them.
Once a set of connection points has been copied they can be used to paste many times to as many shapes as you want.
The connection points are not stored in the regular copy/paste buffer so you can use normal copy and paste operations without overwriting any stored connection points.
This utility can also be used to delete all the connection points for any number of shapes on a page, even grouped shapes.