I also did this a long time ago. I have a couple patterns I could copy and send of a set of aprons that were the seasons from an old magazine.
I did find this on the web. some people did swedish weaving at the time the chicken scratch was popular.
http://averyhill.com/Patterns/pattern.html
Here is some of the chicken scratch designs ..
http://crossstitch.about.com/od/chic...atch-Patterns/
It was interesting that some people said you could use any cross stitch design too make it.
Wow I hit the jackpot here is the link ...
http://crossstitch.about.com/lr/free...erns/313845/2/