Are you doing the rounded blades or the pointed ones?
Should be some inspiration here.
http://www.quiltingboard.com/user_page.jsp?upnum=2276
http://www.google.com/images?q=dresd...ls=org.mozilla:en-US:official&client=firefox-a&um=1&ie=UTF-8&source=univ&sa=X&ei=m5FrTfneMs6utwfszrjmAg&ved=0CCQQsAQ&biw=911&bih=363