Its like an Encyclopedia of Attic Windows. You will be sure to find your favorite way!
Fabric by Susybee ask for it at your local shop http://www.worldofsusybee.com/textiles/leif/leif-the-caterpillar.html
Ask for the Attic Window Ruler at your local shop:)
Ruler Distributed in Canada by Jefferson http://www.njeffersonltd.com/catalogsearch/result?q=800150
Attic Window Chart here (half way down on the right) https://www.phillipsfiberart.com/shop/Tools/p/Attic-Window-x12926310.htm