Don't know if any one has tried creating a script for Corel Draw but there are some cool resources on the web
This is the one I've been using. I don't use them often but every now and then they sure come in handy. There is a quasi-nesting script that will fill a defined space with as many objects that will fit within your spacing parameters.
http://www.oberonplace.com/index.htm
I just found this one and need to do a bit of exploring myself.
http://www.cedesign.com/cefx/drawscripts.html
Lookit what I found!
http://www.rdpslides.com/drawmerge/FAQ00002.htm
Michael