JM, I don't think there are any rules like that. Do whatever the heck you want.
On a related topic (i.e., related to Dear Jane), which block have folks found to be the most frustrating? My seam ripper got very intimate with D-2:
http://thatquilt.blogspot.com/2009/06/d-2.html
Of course, I did it MY way, not hers, so um, that may have been why I was so screwed up by it...
Last edited by jillaine; 12-04-2011 at 09:29 AM.
Reason: added note