As in the fabric?? I don't understand why accents? Or does she just want the whole cake covered in a sheet of fondant that looks like the fabric?
Thank you for your reply! I will try to attach the image of the theme she is using for the party. I am going to make the alligator on top of the cake, but cannot figure out how to achieve the pattern either on the alligator or covering the cake. Thanks for any help!!
Yeah that's a tough one! Have you tried to go a fabric store and buy the fabric and roll your fondant out on top? Then you could just paid the blue color on the white fondant with a paint brush? I don't know how steady of a hand you have but it would be tedious... Off to home so won't be on the computer, hope it works out! Bye! 
If you have time, maybe you could order an edible paper or fondant sheet with the pattern on it. I did a quick Google search and found this:
http://www.cakeart.us/Gingham-8-x-10-Background-sheet-choice-wafer-paper-or-Frosting-sheet-_p_262.html
Maybe something like this could work: http://glorioustreats.blogspot.com/2012/03/easy-gingham-cookies-cookie-decorating.html
I found this technique using sugarveil....when the link opens you need to scroll down about halfway or a little more...there is a gold and white seersucker looking bow that has been made using Sugarveil, the sugarveil mat and sugarveil comb
http://www.sugarveil.com/pdfs/sugarveil-monogramming.pdf
Maybe something like this could work: http://glorioustreats.blogspot.com/2012/03/easy-gingham-cookies-cookie-decorating.html
This is what I was thinking.
what about the no skid shelf liner that we use to keep our cakes from moving in transport. I think rolling that over your fondant would give it kind of a searsucker pattern.
Oh that reminded me of plastic canvas: http://www.anniesattic.com/supplies/list.html?cat_id=1093
You can buy them at Wal-Mart or Hobby Lobby, and they're very inexpensive.
Oh my gosh!! Thank you soo much for all of your replies!! Flourpots, I did try the non skid shelf liner and that did work, I was just concerned about obtaining the stripes, and DUH.... airbrush and a temp plate per the link you provided!! You guys are fabulous!!! Will post a pic upon completion!! Thanks again!!!! 
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