Hi, well I have looked for ages to find these rulers for DJ and canīt find anywhere in England, but if you do find one let me know.
I found this site in America: gives 10% discount and their price is
$13.45 = around 9 GBP plus postage. Thats for the Triangle and square Rulers.
www.softexpressions.com/software/notions/ezQuilt.php
Hope that helps.
Elle